1 | <?php
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2 | /**
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3 | * Creates common globals for the rest of WordPress
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4 | *
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5 | * Sets $pagenow global which is the current page. Checks
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6 | * for the browser to set which one is currently being used.
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7 | *
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8 | * Detects which user environment WordPress is being used on.
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9 | * Only attempts to check for Apache and IIS. Two web servers
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10 | * with known permalink capability.
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11 | *
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12 | * @package WordPress
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13 | */
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14 |
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15 | // On which page are we ?
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16 | if ( is_admin() ) {
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17 | // wp-admin pages are checked more carefully
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18 | preg_match('#/wp-admin/?(.*?)$#i', $PHP_SELF, $self_matches);
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19 | $pagenow = $self_matches[1];
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20 | $pagenow = preg_replace('#\?.*?$#', '', $pagenow);
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21 | if ( '' === $pagenow || 'index' === $pagenow || 'index.php' === $pagenow ) {
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22 | $pagenow = 'index.php';
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23 | } else {
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24 | preg_match('#(.*?)(/|$)#', $pagenow, $self_matches);
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25 | $pagenow = strtolower($self_matches[1]);
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26 | if ( '.php' !== substr($pagenow, -4, 4) )
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27 | $pagenow .= '.php'; // for Options +Multiviews: /wp-admin/themes/index.php (themes.php is queried)
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28 | }
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29 | } else {
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30 | if ( preg_match('#([^/]+\.php)([?/].*?)?$#i', $PHP_SELF, $self_matches) )
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31 | $pagenow = strtolower($self_matches[1]);
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32 | else
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33 | $pagenow = 'index.php';
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34 | }
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35 |
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36 | // Simple browser detection
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37 | $is_lynx = $is_gecko = $is_winIE = $is_macIE = $is_opera = $is_NS4 = $is_safari = $is_chrome = $is_iphone = false;
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38 |
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39 | if (strpos($_SERVER['HTTP_USER_AGENT'], 'Lynx') !== false) {
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40 | $is_lynx = true;
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41 | } elseif ( strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'chrome') !== false ) {
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42 | $is_chrome = true;
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43 | } elseif ( strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'safari') !== false ) {
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44 | $is_safari = true;
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45 | } elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') !== false) {
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46 | $is_gecko = true;
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47 | } elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Win') !== false) {
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48 | $is_winIE = true;
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49 | } elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mac') !== false) {
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50 | $is_macIE = true;
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51 | } elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') !== false) {
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52 | $is_opera = true;
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53 | } elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Nav') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mozilla/4.') !== false) {
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54 | $is_NS4 = true;
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55 | }
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56 |
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57 | if ( $is_safari && strpos(strtolower($_SERVER['HTTP_USER_AGENT']), 'mobile') !== false )
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58 | $is_iphone = true;
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59 |
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60 | $is_IE = ( $is_macIE || $is_winIE );
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61 |
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62 | // Server detection
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63 |
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64 | /**
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65 | * Whether the server software is Apache or something else
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66 | * @global bool $is_apache
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67 | */
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68 | $is_apache = (strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false);
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69 |
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70 | /**
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71 | * Whether the server software is IIS or something else
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72 | * @global bool $is_IIS
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73 | */
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74 | $is_IIS = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'ExpressionDevServer') !== false);
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75 |
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76 | /**
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77 | * Whether the server software is IIS 7.X
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78 | * @global bool $is_iis7
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79 | */
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80 | $is_iis7 = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/7.') !== false);
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81 |
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82 |
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83 | ?>
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