1 | <?php
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2 | /**
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3 | * PEAR, the PHP Extension and Application Repository
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4 | *
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5 | * PEAR class and PEAR_Error class
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6 | *
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7 | * PHP versions 4 and 5
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8 | *
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9 | * LICENSE: This source file is subject to version 3.0 of the PHP license
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10 | * that is available through the world-wide-web at the following URI:
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11 | * http://www.php.net/license/3_0.txt. If you did not receive a copy of
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12 | * the PHP License and are unable to obtain it through the web, please
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13 | * send a note to license@php.net so we can mail you a copy immediately.
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14 | *
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15 | * @category pear
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16 | * @package PEAR
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17 | * @author Sterling Hughes <sterling@php.net>
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18 | * @author Stig Bakken <ssb@php.net>
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19 | * @author Tomas V.V.Cox <cox@idecnet.com>
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20 | * @author Greg Beaver <cellog@php.net>
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21 | * @copyright 1997-2008 The PHP Group
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22 | * @license http://www.php.net/license/3_0.txt PHP License 3.0
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23 | * @version CVS: $Id: PEAR.php,v 1.104 2008/01/03 20:26:34 cellog Exp $
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24 | * @link http://pear.php.net/package/PEAR
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25 | * @since File available since Release 0.1
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26 | */
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27 |
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28 | /**#@+
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29 | * ERROR constants
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30 | */
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31 | define('PEAR_ERROR_RETURN', 1);
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32 | define('PEAR_ERROR_PRINT', 2);
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33 | define('PEAR_ERROR_TRIGGER', 4);
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34 | define('PEAR_ERROR_DIE', 8);
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35 | define('PEAR_ERROR_CALLBACK', 16);
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36 | /**
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37 | * WARNING: obsolete
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38 | * @deprecated
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39 | */
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40 | define('PEAR_ERROR_EXCEPTION', 32);
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41 | /**#@-*/
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42 | define('PEAR_ZE2', (function_exists('version_compare') &&
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43 | version_compare(zend_version(), "2-dev", "ge")));
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44 |
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45 | if (substr(PHP_OS, 0, 3) == 'WIN') {
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46 | define('OS_WINDOWS', true);
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47 | define('OS_UNIX', false);
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48 | define('PEAR_OS', 'Windows');
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49 | } else {
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50 | define('OS_WINDOWS', false);
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51 | define('OS_UNIX', true);
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52 | define('PEAR_OS', 'Unix'); // blatant assumption
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53 | }
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54 |
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55 | // instant backwards compatibility
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56 | if (!defined('PATH_SEPARATOR')) {
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57 | if (OS_WINDOWS) {
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58 | define('PATH_SEPARATOR', ';');
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59 | } else {
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60 | define('PATH_SEPARATOR', ':');
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61 | }
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62 | }
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63 |
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64 | $GLOBALS['_PEAR_default_error_mode'] = PEAR_ERROR_RETURN;
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65 | $GLOBALS['_PEAR_default_error_options'] = E_USER_NOTICE;
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66 | $GLOBALS['_PEAR_destructor_object_list'] = array();
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67 | $GLOBALS['_PEAR_shutdown_funcs'] = array();
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68 | $GLOBALS['_PEAR_error_handler_stack'] = array();
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69 |
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70 | @ini_set('track_errors', true);
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71 |
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72 | /**
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73 | * Base class for other PEAR classes. Provides rudimentary
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74 | * emulation of destructors.
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75 | *
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76 | * If you want a destructor in your class, inherit PEAR and make a
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77 | * destructor method called _yourclassname (same name as the
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78 | * constructor, but with a "_" prefix). Also, in your constructor you
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79 | * have to call the PEAR constructor: $this->PEAR();.
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80 | * The destructor method will be called without parameters. Note that
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81 | * at in some SAPI implementations (such as Apache), any output during
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82 | * the request shutdown (in which destructors are called) seems to be
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83 | * discarded. If you need to get any debug information from your
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84 | * destructor, use error_log(), syslog() or something similar.
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85 | *
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86 | * IMPORTANT! To use the emulated destructors you need to create the
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87 | * objects by reference: $obj =& new PEAR_child;
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88 | *
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89 | * @category pear
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90 | * @package PEAR
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91 | * @author Stig Bakken <ssb@php.net>
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92 | * @author Tomas V.V. Cox <cox@idecnet.com>
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93 | * @author Greg Beaver <cellog@php.net>
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94 | * @copyright 1997-2006 The PHP Group
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95 | * @license http://www.php.net/license/3_0.txt PHP License 3.0
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96 | * @version Release: 1.7.2
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97 | * @link http://pear.php.net/package/PEAR
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98 | * @see PEAR_Error
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99 | * @since Class available since PHP 4.0.2
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100 | * @link http://pear.php.net/manual/en/core.pear.php#core.pear.pear
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101 | */
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102 | class net_php_pear_PEAR
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103 | {
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104 | // {{{ properties
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105 |
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106 | /**
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107 | * Whether to enable internal debug messages.
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108 | *
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109 | * @var bool
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110 | * @access private
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111 | */
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112 | var $_debug = false;
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113 |
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114 | /**
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115 | * Default error mode for this object.
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116 | *
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117 | * @var int
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118 | * @access private
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119 | */
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120 | var $_default_error_mode = null;
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121 |
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122 | /**
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123 | * Default error options used for this object when error mode
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124 | * is PEAR_ERROR_TRIGGER.
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125 | *
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126 | * @var int
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127 | * @access private
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128 | */
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129 | var $_default_error_options = null;
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130 |
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131 | /**
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132 | * Default error handler (callback) for this object, if error mode is
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133 | * PEAR_ERROR_CALLBACK.
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134 | *
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135 | * @var string
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136 | * @access private
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137 | */
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138 | var $_default_error_handler = '';
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139 |
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140 | /**
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141 | * Which class to use for error objects.
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142 | *
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143 | * @var string
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144 | * @access private
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145 | */
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146 | var $_error_class = 'PEAR_Error';
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147 |
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148 | /**
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149 | * An array of expected errors.
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150 | *
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151 | * @var array
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152 | * @access private
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153 | */
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154 | var $_expected_errors = array();
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155 |
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156 | // }}}
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157 |
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158 | // {{{ constructor
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159 |
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160 | /**
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161 | * Constructor. Registers this object in
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162 | * $_PEAR_destructor_object_list for destructor emulation if a
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163 | * destructor object exists.
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164 | *
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165 | * @param string $error_class (optional) which class to use for
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166 | * error objects, defaults to PEAR_Error.
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167 | * @access public
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168 | * @return void
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169 | */
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170 | function net_php_pear_PEAR($error_class = null)
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171 | {
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172 | $classname = strtolower(get_class($this));
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173 | if ($this->_debug) {
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174 | print "PEAR constructor called, class=$classname\n";
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175 | }
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176 | if ($error_class !== null) {
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177 | $this->_error_class = $error_class;
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178 | }
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179 | while ($classname && strcasecmp($classname, "pear")) {
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180 | $destructor = "_$classname";
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181 | if (method_exists($this, $destructor)) {
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182 | global $_PEAR_destructor_object_list;
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183 | $_PEAR_destructor_object_list[] = &$this;
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184 | if (!isset($GLOBALS['_PEAR_SHUTDOWN_REGISTERED'])) {
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185 | register_shutdown_function("_PEAR_call_destructors");
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186 | $GLOBALS['_PEAR_SHUTDOWN_REGISTERED'] = true;
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187 | }
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188 | break;
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189 | } else {
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190 | $classname = get_parent_class($classname);
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191 | }
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192 | }
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193 | }
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194 |
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195 | // }}}
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196 | // {{{ destructor
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197 |
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198 | /**
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199 | * Destructor (the emulated type of...). Does nothing right now,
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200 | * but is included for forward compatibility, so subclass
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201 | * destructors should always call it.
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202 | *
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203 | * See the note in the class desciption about output from
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204 | * destructors.
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205 | *
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206 | * @access public
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207 | * @return void
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208 | */
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209 | function _PEAR() {
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210 | if ($this->_debug) {
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211 | printf("PEAR destructor called, class=%s\n", strtolower(get_class($this)));
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212 | }
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213 | }
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214 |
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215 | // }}}
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216 | // {{{ getStaticProperty()
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217 |
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218 | /**
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219 | * If you have a class that's mostly/entirely static, and you need static
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220 | * properties, you can use this method to simulate them. Eg. in your method(s)
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221 | * do this: $myVar = &PEAR::getStaticProperty('myclass', 'myVar');
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222 | * You MUST use a reference, or they will not persist!
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223 | *
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224 | * @access public
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225 | * @param string $class The calling classname, to prevent clashes
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226 | * @param string $var The variable to retrieve.
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227 | * @return mixed A reference to the variable. If not set it will be
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228 | * auto initialised to NULL.
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229 | */
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230 | function &getStaticProperty($class, $var)
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231 | {
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232 | static $properties;
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233 | if (!isset($properties[$class])) {
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234 | $properties[$class] = array();
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235 | }
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236 | if (!array_key_exists($var, $properties[$class])) {
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237 | $properties[$class][$var] = null;
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238 | }
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239 | return $properties[$class][$var];
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240 | }
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241 |
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242 | // }}}
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243 | // {{{ registerShutdownFunc()
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244 |
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245 | /**
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246 | * Use this function to register a shutdown method for static
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247 | * classes.
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248 | *
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249 | * @access public
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250 | * @param mixed $func The function name (or array of class/method) to call
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251 | * @param mixed $args The arguments to pass to the function
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252 | * @return void
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253 | */
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254 | function registerShutdownFunc($func, $args = array())
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255 | {
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256 | // if we are called statically, there is a potential
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257 | // that no shutdown func is registered. Bug #6445
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258 | if (!isset($GLOBALS['_PEAR_SHUTDOWN_REGISTERED'])) {
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259 | register_shutdown_function("_PEAR_call_destructors");
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260 | $GLOBALS['_PEAR_SHUTDOWN_REGISTERED'] = true;
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261 | }
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262 | $GLOBALS['_PEAR_shutdown_funcs'][] = array($func, $args);
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263 | }
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264 |
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265 | // }}}
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266 | // {{{ isError()
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267 |
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268 | /**
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269 | * Tell whether a value is a PEAR error.
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270 | *
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271 | * @param mixed $data the value to test
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272 | * @param int $code if $data is an error object, return true
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273 | * only if $code is a string and
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274 | * $obj->getMessage() == $code or
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275 | * $code is an integer and $obj->getCode() == $code
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276 | * @access public
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277 | * @return bool true if parameter is an error
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278 | */
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279 | function isError($data, $code = null)
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280 | {
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281 | if (is_a($data, 'PEAR_Error')) {
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282 | if (is_null($code)) {
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283 | return true;
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284 | } elseif (is_string($code)) {
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285 | return $data->getMessage() == $code;
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286 | } else {
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287 | return $data->getCode() == $code;
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288 | }
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289 | }
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290 | return false;
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291 | }
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292 |
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293 | // }}}
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294 | // {{{ setErrorHandling()
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295 |
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296 | /**
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297 | * Sets how errors generated by this object should be handled.
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298 | * Can be invoked both in objects and statically. If called
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299 | * statically, setErrorHandling sets the default behaviour for all
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300 | * PEAR objects. If called in an object, setErrorHandling sets
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301 | * the default behaviour for that object.
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302 | *
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303 | * @param int $mode
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304 | * One of PEAR_ERROR_RETURN, PEAR_ERROR_PRINT,
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305 | * PEAR_ERROR_TRIGGER, PEAR_ERROR_DIE,
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306 | * PEAR_ERROR_CALLBACK or PEAR_ERROR_EXCEPTION.
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307 | *
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308 | * @param mixed $options
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309 | * When $mode is PEAR_ERROR_TRIGGER, this is the error level (one
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310 | * of E_USER_NOTICE, E_USER_WARNING or E_USER_ERROR).
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311 | *
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312 | * When $mode is PEAR_ERROR_CALLBACK, this parameter is expected
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313 | * to be the callback function or method. A callback
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314 | * function is a string with the name of the function, a
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315 | * callback method is an array of two elements: the element
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316 | * at index 0 is the object, and the element at index 1 is
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317 | * the name of the method to call in the object.
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318 | *
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319 | * When $mode is PEAR_ERROR_PRINT or PEAR_ERROR_DIE, this is
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320 | * a printf format string used when printing the error
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321 | * message.
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322 | *
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323 | * @access public
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324 | * @return void
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325 | * @see PEAR_ERROR_RETURN
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326 | * @see PEAR_ERROR_PRINT
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327 | * @see PEAR_ERROR_TRIGGER
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328 | * @see PEAR_ERROR_DIE
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329 | * @see PEAR_ERROR_CALLBACK
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330 | * @see PEAR_ERROR_EXCEPTION
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331 | *
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332 | * @since PHP 4.0.5
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333 | */
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334 |
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335 | function setErrorHandling($mode = null, $options = null)
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336 | {
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337 | if (isset($this) && is_a($this, 'PEAR')) {
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338 | $setmode = &$this->_default_error_mode;
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339 | $setoptions = &$this->_default_error_options;
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340 | } else {
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341 | $setmode = &$GLOBALS['_PEAR_default_error_mode'];
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342 | $setoptions = &$GLOBALS['_PEAR_default_error_options'];
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343 | }
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344 |
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345 | switch ($mode) {
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346 | case PEAR_ERROR_EXCEPTION:
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347 | case PEAR_ERROR_RETURN:
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348 | case PEAR_ERROR_PRINT:
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349 | case PEAR_ERROR_TRIGGER:
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350 | case PEAR_ERROR_DIE:
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351 | case null:
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352 | $setmode = $mode;
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353 | $setoptions = $options;
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354 | break;
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355 |
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356 | case PEAR_ERROR_CALLBACK:
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357 | $setmode = $mode;
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358 | // class/object method callback
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359 | if (is_callable($options)) {
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360 | $setoptions = $options;
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361 | } else {
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362 | trigger_error("invalid error callback", E_USER_WARNING);
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363 | }
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364 | break;
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365 |
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366 | default:
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367 | trigger_error("invalid error mode", E_USER_WARNING);
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368 | break;
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369 | }
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370 | }
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371 |
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372 | // }}}
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373 | // {{{ expectError()
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374 |
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375 | /**
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376 | * This method is used to tell which errors you expect to get.
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377 | * Expected errors are always returned with error mode
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378 | * PEAR_ERROR_RETURN. Expected error codes are stored in a stack,
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379 | * and this method pushes a new element onto it. The list of
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380 | * expected errors are in effect until they are popped off the
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381 | * stack with the popExpect() method.
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382 | *
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383 | * Note that this method can not be called statically
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384 | *
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385 | * @param mixed $code a single error code or an array of error codes to expect
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386 | *
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387 | * @return int the new depth of the "expected errors" stack
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388 | * @access public
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389 | */
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390 | function expectError($code = '*')
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391 | {
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392 | if (is_array($code)) {
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393 | array_push($this->_expected_errors, $code);
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394 | } else {
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395 | array_push($this->_expected_errors, array($code));
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396 | }
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397 | return sizeof($this->_expected_errors);
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398 | }
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399 |
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400 | // }}}
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401 | // {{{ popExpect()
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402 |
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403 | /**
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404 | * This method pops one element off the expected error codes
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405 | * stack.
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406 | *
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407 | * @return array the list of error codes that were popped
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408 | */
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409 | function popExpect()
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410 | {
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411 | return array_pop($this->_expected_errors);
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412 | }
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413 |
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414 | // }}}
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415 | // {{{ _checkDelExpect()
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416 |
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417 | /**
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418 | * This method checks unsets an error code if available
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419 | *
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420 | * @param mixed error code
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421 | * @return bool true if the error code was unset, false otherwise
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422 | * @access private
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423 | * @since PHP 4.3.0
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424 | */
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425 | function _checkDelExpect($error_code)
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426 | {
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427 | $deleted = false;
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428 |
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429 | foreach ($this->_expected_errors AS $key => $error_array) {
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430 | if (in_array($error_code, $error_array)) {
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431 | unset($this->_expected_errors[$key][array_search($error_code, $error_array)]);
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432 | $deleted = true;
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433 | }
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434 |
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435 | // clean up empty arrays
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436 | if (0 == count($this->_expected_errors[$key])) {
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437 | unset($this->_expected_errors[$key]);
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438 | }
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439 | }
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440 | return $deleted;
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441 | }
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442 |
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443 | // }}}
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444 | // {{{ delExpect()
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445 |
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446 | /**
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447 | * This method deletes all occurences of the specified element from
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448 | * the expected error codes stack.
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449 | *
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450 | * @param mixed $error_code error code that should be deleted
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451 | * @return mixed list of error codes that were deleted or error
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452 | * @access public
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453 | * @since PHP 4.3.0
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454 | */
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455 | function delExpect($error_code)
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456 | {
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457 | $deleted = false;
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458 |
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459 | if ((is_array($error_code) && (0 != count($error_code)))) {
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460 | // $error_code is a non-empty array here;
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461 | // we walk through it trying to unset all
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462 | // values
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463 | foreach($error_code as $key => $error) {
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464 | if ($this->_checkDelExpect($error)) {
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465 | $deleted = true;
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466 | } else {
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467 | $deleted = false;
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468 | }
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469 | }
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470 | return $deleted ? true : net_php_pear_PEAR::raiseError("The expected error you submitted does not exist"); // IMPROVE ME
|
---|
471 | } elseif (!empty($error_code)) {
|
---|
472 | // $error_code comes alone, trying to unset it
|
---|
473 | if ($this->_checkDelExpect($error_code)) {
|
---|
474 | return true;
|
---|
475 | } else {
|
---|
476 | return net_php_pear_PEAR::raiseError("The expected error you submitted does not exist"); // IMPROVE ME
|
---|
477 | }
|
---|
478 | } else {
|
---|
479 | // $error_code is empty
|
---|
480 | return net_php_pear_PEAR::raiseError("The expected error you submitted is empty"); // IMPROVE ME
|
---|
481 | }
|
---|
482 | }
|
---|
483 |
|
---|
484 | // }}}
|
---|
485 | // {{{ raiseError()
|
---|
486 |
|
---|
487 | /**
|
---|
488 | * This method is a wrapper that returns an instance of the
|
---|
489 | * configured error class with this object's default error
|
---|
490 | * handling applied. If the $mode and $options parameters are not
|
---|
491 | * specified, the object's defaults are used.
|
---|
492 | *
|
---|
493 | * @param mixed $message a text error message or a PEAR error object
|
---|
494 | *
|
---|
495 | * @param int $code a numeric error code (it is up to your class
|
---|
496 | * to define these if you want to use codes)
|
---|
497 | *
|
---|
498 | * @param int $mode One of PEAR_ERROR_RETURN, PEAR_ERROR_PRINT,
|
---|
499 | * PEAR_ERROR_TRIGGER, PEAR_ERROR_DIE,
|
---|
500 | * PEAR_ERROR_CALLBACK, PEAR_ERROR_EXCEPTION.
|
---|
501 | *
|
---|
502 | * @param mixed $options If $mode is PEAR_ERROR_TRIGGER, this parameter
|
---|
503 | * specifies the PHP-internal error level (one of
|
---|
504 | * E_USER_NOTICE, E_USER_WARNING or E_USER_ERROR).
|
---|
505 | * If $mode is PEAR_ERROR_CALLBACK, this
|
---|
506 | * parameter specifies the callback function or
|
---|
507 | * method. In other error modes this parameter
|
---|
508 | * is ignored.
|
---|
509 | *
|
---|
510 | * @param string $userinfo If you need to pass along for example debug
|
---|
511 | * information, this parameter is meant for that.
|
---|
512 | *
|
---|
513 | * @param string $error_class The returned error object will be
|
---|
514 | * instantiated from this class, if specified.
|
---|
515 | *
|
---|
516 | * @param bool $skipmsg If true, raiseError will only pass error codes,
|
---|
517 | * the error message parameter will be dropped.
|
---|
518 | *
|
---|
519 | * @access public
|
---|
520 | * @return object a PEAR error object
|
---|
521 | * @see PEAR::setErrorHandling
|
---|
522 | * @since PHP 4.0.5
|
---|
523 | */
|
---|
524 | function &raiseError($message = null,
|
---|
525 | $code = null,
|
---|
526 | $mode = null,
|
---|
527 | $options = null,
|
---|
528 | $userinfo = null,
|
---|
529 | $error_class = null,
|
---|
530 | $skipmsg = false)
|
---|
531 | {
|
---|
532 | // The error is yet a PEAR error object
|
---|
533 | if (is_object($message)) {
|
---|
534 | $code = $message->getCode();
|
---|
535 | $userinfo = $message->getUserInfo();
|
---|
536 | $error_class = $message->getType();
|
---|
537 | $message->error_message_prefix = '';
|
---|
538 | $message = $message->getMessage();
|
---|
539 | }
|
---|
540 |
|
---|
541 | if (isset($this) && isset($this->_expected_errors) && sizeof($this->_expected_errors) > 0 && sizeof($exp = end($this->_expected_errors))) {
|
---|
542 | if ($exp[0] == "*" ||
|
---|
543 | (is_int(reset($exp)) && in_array($code, $exp)) ||
|
---|
544 | (is_string(reset($exp)) && in_array($message, $exp))) {
|
---|
545 | $mode = PEAR_ERROR_RETURN;
|
---|
546 | }
|
---|
547 | }
|
---|
548 | // No mode given, try global ones
|
---|
549 | if ($mode === null) {
|
---|
550 | // Class error handler
|
---|
551 | if (isset($this) && isset($this->_default_error_mode)) {
|
---|
552 | $mode = $this->_default_error_mode;
|
---|
553 | $options = $this->_default_error_options;
|
---|
554 | // Global error handler
|
---|
555 | } elseif (isset($GLOBALS['_PEAR_default_error_mode'])) {
|
---|
556 | $mode = $GLOBALS['_PEAR_default_error_mode'];
|
---|
557 | $options = $GLOBALS['_PEAR_default_error_options'];
|
---|
558 | }
|
---|
559 | }
|
---|
560 |
|
---|
561 | if ($error_class !== null) {
|
---|
562 | $ec = $error_class;
|
---|
563 | } elseif (isset($this) && isset($this->_error_class)) {
|
---|
564 | $ec = $this->_error_class;
|
---|
565 | } else {
|
---|
566 | $ec = 'PEAR_Error';
|
---|
567 | }
|
---|
568 | if (intval(PHP_VERSION) < 5) {
|
---|
569 | // little non-eval hack to fix bug #12147
|
---|
570 | include 'PEAR/FixPHP5PEARWarnings.php';
|
---|
571 | return $a;
|
---|
572 | }
|
---|
573 | if ($skipmsg) {
|
---|
574 | $a = new $ec($code, $mode, $options, $userinfo);
|
---|
575 | } else {
|
---|
576 | $a = new $ec($message, $code, $mode, $options, $userinfo);
|
---|
577 | }
|
---|
578 | return $a;
|
---|
579 | }
|
---|
580 |
|
---|
581 | // }}}
|
---|
582 | // {{{ throwError()
|
---|
583 |
|
---|
584 | /**
|
---|
585 | * Simpler form of raiseError with fewer options. In most cases
|
---|
586 | * message, code and userinfo are enough.
|
---|
587 | *
|
---|
588 | * @param string $message
|
---|
589 | *
|
---|
590 | */
|
---|
591 | function &throwError($message = null,
|
---|
592 | $code = null,
|
---|
593 | $userinfo = null)
|
---|
594 | {
|
---|
595 | if (isset($this) && is_a($this, 'net_php_pear_PEAR')) {
|
---|
596 | $a = &$this->raiseError($message, $code, null, null, $userinfo);
|
---|
597 | return $a;
|
---|
598 | } else {
|
---|
599 | $a = &net_php_pear_PEAR::raiseError($message, $code, null, null, $userinfo);
|
---|
600 | return $a;
|
---|
601 | }
|
---|
602 | }
|
---|
603 |
|
---|
604 | // }}}
|
---|
605 | function staticPushErrorHandling($mode, $options = null)
|
---|
606 | {
|
---|
607 | $stack = &$GLOBALS['_PEAR_error_handler_stack'];
|
---|
608 | $def_mode = &$GLOBALS['_PEAR_default_error_mode'];
|
---|
609 | $def_options = &$GLOBALS['_PEAR_default_error_options'];
|
---|
610 | $stack[] = array($def_mode, $def_options);
|
---|
611 | switch ($mode) {
|
---|
612 | case PEAR_ERROR_EXCEPTION:
|
---|
613 | case PEAR_ERROR_RETURN:
|
---|
614 | case PEAR_ERROR_PRINT:
|
---|
615 | case PEAR_ERROR_TRIGGER:
|
---|
616 | case PEAR_ERROR_DIE:
|
---|
617 | case null:
|
---|
618 | $def_mode = $mode;
|
---|
619 | $def_options = $options;
|
---|
620 | break;
|
---|
621 |
|
---|
622 | case PEAR_ERROR_CALLBACK:
|
---|
623 | $def_mode = $mode;
|
---|
624 | // class/object method callback
|
---|
625 | if (is_callable($options)) {
|
---|
626 | $def_options = $options;
|
---|
627 | } else {
|
---|
628 | trigger_error("invalid error callback", E_USER_WARNING);
|
---|
629 | }
|
---|
630 | break;
|
---|
631 |
|
---|
632 | default:
|
---|
633 | trigger_error("invalid error mode", E_USER_WARNING);
|
---|
634 | break;
|
---|
635 | }
|
---|
636 | $stack[] = array($mode, $options);
|
---|
637 | return true;
|
---|
638 | }
|
---|
639 |
|
---|
640 | function staticPopErrorHandling()
|
---|
641 | {
|
---|
642 | $stack = &$GLOBALS['_PEAR_error_handler_stack'];
|
---|
643 | $setmode = &$GLOBALS['_PEAR_default_error_mode'];
|
---|
644 | $setoptions = &$GLOBALS['_PEAR_default_error_options'];
|
---|
645 | array_pop($stack);
|
---|
646 | list($mode, $options) = $stack[sizeof($stack) - 1];
|
---|
647 | array_pop($stack);
|
---|
648 | switch ($mode) {
|
---|
649 | case PEAR_ERROR_EXCEPTION:
|
---|
650 | case PEAR_ERROR_RETURN:
|
---|
651 | case PEAR_ERROR_PRINT:
|
---|
652 | case PEAR_ERROR_TRIGGER:
|
---|
653 | case PEAR_ERROR_DIE:
|
---|
654 | case null:
|
---|
655 | $setmode = $mode;
|
---|
656 | $setoptions = $options;
|
---|
657 | break;
|
---|
658 |
|
---|
659 | case PEAR_ERROR_CALLBACK:
|
---|
660 | $setmode = $mode;
|
---|
661 | // class/object method callback
|
---|
662 | if (is_callable($options)) {
|
---|
663 | $setoptions = $options;
|
---|
664 | } else {
|
---|
665 | trigger_error("invalid error callback", E_USER_WARNING);
|
---|
666 | }
|
---|
667 | break;
|
---|
668 |
|
---|
669 | default:
|
---|
670 | trigger_error("invalid error mode", E_USER_WARNING);
|
---|
671 | break;
|
---|
672 | }
|
---|
673 | return true;
|
---|
674 | }
|
---|
675 |
|
---|
676 | // {{{ pushErrorHandling()
|
---|
677 |
|
---|
678 | /**
|
---|
679 | * Push a new error handler on top of the error handler options stack. With this
|
---|
680 | * you can easily override the actual error handler for some code and restore
|
---|
681 | * it later with popErrorHandling.
|
---|
682 | *
|
---|
683 | * @param mixed $mode (same as setErrorHandling)
|
---|
684 | * @param mixed $options (same as setErrorHandling)
|
---|
685 | *
|
---|
686 | * @return bool Always true
|
---|
687 | *
|
---|
688 | * @see PEAR::setErrorHandling
|
---|
689 | */
|
---|
690 | function pushErrorHandling($mode, $options = null)
|
---|
691 | {
|
---|
692 | $stack = &$GLOBALS['_PEAR_error_handler_stack'];
|
---|
693 | if (isset($this) && is_a($this, 'net_php_pear_PEAR')) {
|
---|
694 | $def_mode = &$this->_default_error_mode;
|
---|
695 | $def_options = &$this->_default_error_options;
|
---|
696 | } else {
|
---|
697 | $def_mode = &$GLOBALS['_PEAR_default_error_mode'];
|
---|
698 | $def_options = &$GLOBALS['_PEAR_default_error_options'];
|
---|
699 | }
|
---|
700 | $stack[] = array($def_mode, $def_options);
|
---|
701 |
|
---|
702 | if (isset($this) && is_a($this, 'net_php_pear_PEAR')) {
|
---|
703 | $this->setErrorHandling($mode, $options);
|
---|
704 | } else {
|
---|
705 | net_php_pear_PEAR::setErrorHandling($mode, $options);
|
---|
706 | }
|
---|
707 | $stack[] = array($mode, $options);
|
---|
708 | return true;
|
---|
709 | }
|
---|
710 |
|
---|
711 | // }}}
|
---|
712 | // {{{ popErrorHandling()
|
---|
713 |
|
---|
714 | /**
|
---|
715 | * Pop the last error handler used
|
---|
716 | *
|
---|
717 | * @return bool Always true
|
---|
718 | *
|
---|
719 | * @see PEAR::pushErrorHandling
|
---|
720 | */
|
---|
721 | function popErrorHandling()
|
---|
722 | {
|
---|
723 | $stack = &$GLOBALS['_PEAR_error_handler_stack'];
|
---|
724 | array_pop($stack);
|
---|
725 | list($mode, $options) = $stack[sizeof($stack) - 1];
|
---|
726 | array_pop($stack);
|
---|
727 | if (isset($this) && is_a($this, 'net_php_pear_PEAR')) {
|
---|
728 | $this->setErrorHandling($mode, $options);
|
---|
729 | } else {
|
---|
730 | net_php_pear_PEAR::setErrorHandling($mode, $options);
|
---|
731 | }
|
---|
732 | return true;
|
---|
733 | }
|
---|
734 |
|
---|
735 | // }}}
|
---|
736 | // {{{ loadExtension()
|
---|
737 |
|
---|
738 | /**
|
---|
739 | * OS independant PHP extension load. Remember to take care
|
---|
740 | * on the correct extension name for case sensitive OSes.
|
---|
741 | *
|
---|
742 | * @param string $ext The extension name
|
---|
743 | * @return bool Success or not on the dl() call
|
---|
744 | */
|
---|
745 | function loadExtension($ext)
|
---|
746 | {
|
---|
747 | if (!extension_loaded($ext)) {
|
---|
748 | // if either returns true dl() will produce a FATAL error, stop that
|
---|
749 | if ((ini_get('enable_dl') != 1) || (ini_get('safe_mode') == 1)) {
|
---|
750 | return false;
|
---|
751 | }
|
---|
752 | if (OS_WINDOWS) {
|
---|
753 | $suffix = '.dll';
|
---|
754 | } elseif (PHP_OS == 'HP-UX') {
|
---|
755 | $suffix = '.sl';
|
---|
756 | } elseif (PHP_OS == 'AIX') {
|
---|
757 | $suffix = '.a';
|
---|
758 | } elseif (PHP_OS == 'OSX') {
|
---|
759 | $suffix = '.bundle';
|
---|
760 | } else {
|
---|
761 | $suffix = '.so';
|
---|
762 | }
|
---|
763 | return @dl('php_'.$ext.$suffix) || @dl($ext.$suffix);
|
---|
764 | }
|
---|
765 | return true;
|
---|
766 | }
|
---|
767 |
|
---|
768 | // }}}
|
---|
769 | }
|
---|
770 |
|
---|
771 | // {{{ _PEAR_call_destructors()
|
---|
772 |
|
---|
773 | if (!function_exists("_PEAR_call_destructors")) {
|
---|
774 |
|
---|
775 | function _PEAR_call_destructors()
|
---|
776 | {
|
---|
777 | global $_PEAR_destructor_object_list;
|
---|
778 | if (is_array($_PEAR_destructor_object_list) &&
|
---|
779 | sizeof($_PEAR_destructor_object_list))
|
---|
780 | {
|
---|
781 | reset($_PEAR_destructor_object_list);
|
---|
782 | if (net_php_pear_PEAR::getStaticProperty('net_php_pear_PEAR', 'destructlifo')) {
|
---|
783 | $_PEAR_destructor_object_list = array_reverse($_PEAR_destructor_object_list);
|
---|
784 | }
|
---|
785 | while (list($k, $objref) = each($_PEAR_destructor_object_list)) {
|
---|
786 | $classname = get_class($objref);
|
---|
787 | while ($classname) {
|
---|
788 | $destructor = "_$classname";
|
---|
789 | if (method_exists($objref, $destructor)) {
|
---|
790 | $objref->$destructor();
|
---|
791 | break;
|
---|
792 | } else {
|
---|
793 | $classname = get_parent_class($classname);
|
---|
794 | }
|
---|
795 | }
|
---|
796 | }
|
---|
797 | // Empty the object list to ensure that destructors are
|
---|
798 | // not called more than once.
|
---|
799 | $_PEAR_destructor_object_list = array();
|
---|
800 | }
|
---|
801 |
|
---|
802 | // Now call the shutdown functions
|
---|
803 | if (is_array($GLOBALS['_PEAR_shutdown_funcs']) AND !empty($GLOBALS['_PEAR_shutdown_funcs'])) {
|
---|
804 | foreach ($GLOBALS['_PEAR_shutdown_funcs'] as $value) {
|
---|
805 | call_user_func_array($value[0], $value[1]);
|
---|
806 | }
|
---|
807 | }
|
---|
808 | }
|
---|
809 |
|
---|
810 | }
|
---|
811 |
|
---|
812 | // }}}
|
---|
813 | /**
|
---|
814 | * Standard PEAR error class for PHP 4
|
---|
815 | *
|
---|
816 | * This class is supserseded by {@link PEAR_Exception} in PHP 5
|
---|
817 | *
|
---|
818 | * @category pear
|
---|
819 | * @package PEAR
|
---|
820 | * @author Stig Bakken <ssb@php.net>
|
---|
821 | * @author Tomas V.V. Cox <cox@idecnet.com>
|
---|
822 | * @author Gregory Beaver <cellog@php.net>
|
---|
823 | * @copyright 1997-2006 The PHP Group
|
---|
824 | * @license http://www.php.net/license/3_0.txt PHP License 3.0
|
---|
825 | * @version Release: 1.7.2
|
---|
826 | * @link http://pear.php.net/manual/en/core.pear.pear-error.php
|
---|
827 | * @see PEAR::raiseError(), PEAR::throwError()
|
---|
828 | * @since Class available since PHP 4.0.2
|
---|
829 | */
|
---|
830 |
|
---|
831 | if (!class_exists("PEAR_Error")) {
|
---|
832 | class PEAR_Error
|
---|
833 | {
|
---|
834 | // {{{ properties
|
---|
835 |
|
---|
836 | var $error_message_prefix = '';
|
---|
837 | var $mode = PEAR_ERROR_RETURN;
|
---|
838 | var $level = E_USER_NOTICE;
|
---|
839 | var $code = -1;
|
---|
840 | var $message = '';
|
---|
841 | var $userinfo = '';
|
---|
842 | var $backtrace = null;
|
---|
843 |
|
---|
844 | // }}}
|
---|
845 | // {{{ constructor
|
---|
846 |
|
---|
847 | /**
|
---|
848 | * PEAR_Error constructor
|
---|
849 | *
|
---|
850 | * @param string $message message
|
---|
851 | *
|
---|
852 | * @param int $code (optional) error code
|
---|
853 | *
|
---|
854 | * @param int $mode (optional) error mode, one of: PEAR_ERROR_RETURN,
|
---|
855 | * PEAR_ERROR_PRINT, PEAR_ERROR_DIE, PEAR_ERROR_TRIGGER,
|
---|
856 | * PEAR_ERROR_CALLBACK or PEAR_ERROR_EXCEPTION
|
---|
857 | *
|
---|
858 | * @param mixed $options (optional) error level, _OR_ in the case of
|
---|
859 | * PEAR_ERROR_CALLBACK, the callback function or object/method
|
---|
860 | * tuple.
|
---|
861 | *
|
---|
862 | * @param string $userinfo (optional) additional user/debug info
|
---|
863 | *
|
---|
864 | * @access public
|
---|
865 | *
|
---|
866 | */
|
---|
867 | function PEAR_Error($message = 'unknown error', $code = null,
|
---|
868 | $mode = null, $options = null, $userinfo = null)
|
---|
869 | {
|
---|
870 | if ($mode === null) {
|
---|
871 | $mode = PEAR_ERROR_RETURN;
|
---|
872 | }
|
---|
873 | $this->message = $message;
|
---|
874 | $this->code = $code;
|
---|
875 | $this->mode = $mode;
|
---|
876 | $this->userinfo = $userinfo;
|
---|
877 | if (!net_php_pear_PEAR::getStaticProperty('PEAR_Error', 'skiptrace')) {
|
---|
878 | $this->backtrace = debug_backtrace();
|
---|
879 | if (isset($this->backtrace[0]) && isset($this->backtrace[0]['object'])) {
|
---|
880 | unset($this->backtrace[0]['object']);
|
---|
881 | }
|
---|
882 | }
|
---|
883 | if ($mode & PEAR_ERROR_CALLBACK) {
|
---|
884 | $this->level = E_USER_NOTICE;
|
---|
885 | $this->callback = $options;
|
---|
886 | } else {
|
---|
887 | if ($options === null) {
|
---|
888 | $options = E_USER_NOTICE;
|
---|
889 | }
|
---|
890 | $this->level = $options;
|
---|
891 | $this->callback = null;
|
---|
892 | }
|
---|
893 | if ($this->mode & PEAR_ERROR_PRINT) {
|
---|
894 | if (is_null($options) || is_int($options)) {
|
---|
895 | $format = "%s";
|
---|
896 | } else {
|
---|
897 | $format = $options;
|
---|
898 | }
|
---|
899 | printf($format, $this->getMessage());
|
---|
900 | }
|
---|
901 | if ($this->mode & PEAR_ERROR_TRIGGER) {
|
---|
902 | trigger_error($this->getMessage(), $this->level);
|
---|
903 | }
|
---|
904 | if ($this->mode & PEAR_ERROR_DIE) {
|
---|
905 | $msg = $this->getMessage();
|
---|
906 | if (is_null($options) || is_int($options)) {
|
---|
907 | $format = "%s";
|
---|
908 | if (substr($msg, -1) != "\n") {
|
---|
909 | $msg .= "\n";
|
---|
910 | }
|
---|
911 | } else {
|
---|
912 | $format = $options;
|
---|
913 | }
|
---|
914 | die(sprintf($format, $msg));
|
---|
915 | }
|
---|
916 | if ($this->mode & PEAR_ERROR_CALLBACK) {
|
---|
917 | if (is_callable($this->callback)) {
|
---|
918 | call_user_func($this->callback, $this);
|
---|
919 | }
|
---|
920 | }
|
---|
921 | if ($this->mode & PEAR_ERROR_EXCEPTION) {
|
---|
922 | trigger_error("PEAR_ERROR_EXCEPTION is obsolete, use class PEAR_Exception for exceptions", E_USER_WARNING);
|
---|
923 | eval('$e = new Exception($this->message, $this->code);throw($e);');
|
---|
924 | }
|
---|
925 | }
|
---|
926 |
|
---|
927 | // }}}
|
---|
928 | // {{{ getMode()
|
---|
929 |
|
---|
930 | /**
|
---|
931 | * Get the error mode from an error object.
|
---|
932 | *
|
---|
933 | * @return int error mode
|
---|
934 | * @access public
|
---|
935 | */
|
---|
936 | function getMode() {
|
---|
937 | return $this->mode;
|
---|
938 | }
|
---|
939 |
|
---|
940 | // }}}
|
---|
941 | // {{{ getCallback()
|
---|
942 |
|
---|
943 | /**
|
---|
944 | * Get the callback function/method from an error object.
|
---|
945 | *
|
---|
946 | * @return mixed callback function or object/method array
|
---|
947 | * @access public
|
---|
948 | */
|
---|
949 | function getCallback() {
|
---|
950 | return $this->callback;
|
---|
951 | }
|
---|
952 |
|
---|
953 | // }}}
|
---|
954 | // {{{ getMessage()
|
---|
955 |
|
---|
956 |
|
---|
957 | /**
|
---|
958 | * Get the error message from an error object.
|
---|
959 | *
|
---|
960 | * @return string full error message
|
---|
961 | * @access public
|
---|
962 | */
|
---|
963 | function getMessage()
|
---|
964 | {
|
---|
965 | return ($this->error_message_prefix . $this->message);
|
---|
966 | }
|
---|
967 |
|
---|
968 |
|
---|
969 | // }}}
|
---|
970 | // {{{ getCode()
|
---|
971 |
|
---|
972 | /**
|
---|
973 | * Get error code from an error object
|
---|
974 | *
|
---|
975 | * @return int error code
|
---|
976 | * @access public
|
---|
977 | */
|
---|
978 | function getCode()
|
---|
979 | {
|
---|
980 | return $this->code;
|
---|
981 | }
|
---|
982 |
|
---|
983 | // }}}
|
---|
984 | // {{{ getType()
|
---|
985 |
|
---|
986 | /**
|
---|
987 | * Get the name of this error/exception.
|
---|
988 | *
|
---|
989 | * @return string error/exception name (type)
|
---|
990 | * @access public
|
---|
991 | */
|
---|
992 | function getType()
|
---|
993 | {
|
---|
994 | return get_class($this);
|
---|
995 | }
|
---|
996 |
|
---|
997 | // }}}
|
---|
998 | // {{{ getUserInfo()
|
---|
999 |
|
---|
1000 | /**
|
---|
1001 | * Get additional user-supplied information.
|
---|
1002 | *
|
---|
1003 | * @return string user-supplied information
|
---|
1004 | * @access public
|
---|
1005 | */
|
---|
1006 | function getUserInfo()
|
---|
1007 | {
|
---|
1008 | return $this->userinfo;
|
---|
1009 | }
|
---|
1010 |
|
---|
1011 | // }}}
|
---|
1012 | // {{{ getDebugInfo()
|
---|
1013 |
|
---|
1014 | /**
|
---|
1015 | * Get additional debug information supplied by the application.
|
---|
1016 | *
|
---|
1017 | * @return string debug information
|
---|
1018 | * @access public
|
---|
1019 | */
|
---|
1020 | function getDebugInfo()
|
---|
1021 | {
|
---|
1022 | return $this->getUserInfo();
|
---|
1023 | }
|
---|
1024 |
|
---|
1025 | // }}}
|
---|
1026 | // {{{ getBacktrace()
|
---|
1027 |
|
---|
1028 | /**
|
---|
1029 | * Get the call backtrace from where the error was generated.
|
---|
1030 | * Supported with PHP 4.3.0 or newer.
|
---|
1031 | *
|
---|
1032 | * @param int $frame (optional) what frame to fetch
|
---|
1033 | * @return array Backtrace, or NULL if not available.
|
---|
1034 | * @access public
|
---|
1035 | */
|
---|
1036 | function getBacktrace($frame = null)
|
---|
1037 | {
|
---|
1038 | if (defined('PEAR_IGNORE_BACKTRACE')) {
|
---|
1039 | return null;
|
---|
1040 | }
|
---|
1041 | if ($frame === null) {
|
---|
1042 | return $this->backtrace;
|
---|
1043 | }
|
---|
1044 | return $this->backtrace[$frame];
|
---|
1045 | }
|
---|
1046 |
|
---|
1047 | // }}}
|
---|
1048 | // {{{ addUserInfo()
|
---|
1049 |
|
---|
1050 | function addUserInfo($info)
|
---|
1051 | {
|
---|
1052 | if (empty($this->userinfo)) {
|
---|
1053 | $this->userinfo = $info;
|
---|
1054 | } else {
|
---|
1055 | $this->userinfo .= " ** $info";
|
---|
1056 | }
|
---|
1057 | }
|
---|
1058 |
|
---|
1059 | // }}}
|
---|
1060 | // {{{ toString()
|
---|
1061 | function __toString()
|
---|
1062 | {
|
---|
1063 | return $this->getMessage();
|
---|
1064 | }
|
---|
1065 | // }}}
|
---|
1066 | // {{{ toString()
|
---|
1067 |
|
---|
1068 | /**
|
---|
1069 | * Make a string representation of this object.
|
---|
1070 | *
|
---|
1071 | * @return string a string with an object summary
|
---|
1072 | * @access public
|
---|
1073 | */
|
---|
1074 | function toString() {
|
---|
1075 | $modes = array();
|
---|
1076 | $levels = array(E_USER_NOTICE => 'notice',
|
---|
1077 | E_USER_WARNING => 'warning',
|
---|
1078 | E_USER_ERROR => 'error');
|
---|
1079 | if ($this->mode & PEAR_ERROR_CALLBACK) {
|
---|
1080 | if (is_array($this->callback)) {
|
---|
1081 | $callback = (is_object($this->callback[0]) ?
|
---|
1082 | strtolower(get_class($this->callback[0])) :
|
---|
1083 | $this->callback[0]) . '::' .
|
---|
1084 | $this->callback[1];
|
---|
1085 | } else {
|
---|
1086 | $callback = $this->callback;
|
---|
1087 | }
|
---|
1088 | return sprintf('[%s: message="%s" code=%d mode=callback '.
|
---|
1089 | 'callback=%s prefix="%s" info="%s"]',
|
---|
1090 | strtolower(get_class($this)), $this->message, $this->code,
|
---|
1091 | $callback, $this->error_message_prefix,
|
---|
1092 | $this->userinfo);
|
---|
1093 | }
|
---|
1094 | if ($this->mode & PEAR_ERROR_PRINT) {
|
---|
1095 | $modes[] = 'print';
|
---|
1096 | }
|
---|
1097 | if ($this->mode & PEAR_ERROR_TRIGGER) {
|
---|
1098 | $modes[] = 'trigger';
|
---|
1099 | }
|
---|
1100 | if ($this->mode & PEAR_ERROR_DIE) {
|
---|
1101 | $modes[] = 'die';
|
---|
1102 | }
|
---|
1103 | if ($this->mode & PEAR_ERROR_RETURN) {
|
---|
1104 | $modes[] = 'return';
|
---|
1105 | }
|
---|
1106 | return sprintf('[%s: message="%s" code=%d mode=%s level=%s '.
|
---|
1107 | 'prefix="%s" info="%s"]',
|
---|
1108 | strtolower(get_class($this)), $this->message, $this->code,
|
---|
1109 | implode("|", $modes), $levels[$this->level],
|
---|
1110 | $this->error_message_prefix,
|
---|
1111 | $this->userinfo);
|
---|
1112 | }
|
---|
1113 |
|
---|
1114 | // }}}
|
---|
1115 | }
|
---|
1116 | }
|
---|
1117 |
|
---|
1118 | /*
|
---|
1119 | * Local Variables:
|
---|
1120 | * mode: php
|
---|
1121 | * tab-width: 4
|
---|
1122 | * c-basic-offset: 4
|
---|
1123 | * End:
|
---|
1124 | */
|
---|
1125 | ?>
|
---|