<?php
+/**
+ * Creates common globals for the rest of WordPress
+ *
+ * Sets $pagenow global which is the current page. Checks
+ * for the browser to set which one is currently being used.
+ *
+ * Detects which user environment WordPress is being used on.
+ * Only attempts to check for Apache, Nginx and IIS -- three web
+ * servers with known pretty permalink capability.
+ *
+ * Note: Though Nginx is detected, WordPress does not currently
+ * generate rewrite rules for it. See https://codex.wordpress.org/Nginx
+ *
+ * @package WordPress
+ */
+
+global $pagenow,
+ $is_lynx, $is_gecko, $is_winIE, $is_macIE, $is_opera, $is_NS4, $is_safari, $is_chrome, $is_iphone, $is_IE, $is_edge,
+ $is_apache, $is_IIS, $is_iis7, $is_nginx;
// On which page are we ?
-if (preg_match('#([^/]+\.php)$#', $PHP_SELF, $self_matches)) {
+if ( is_admin() ) {
+ // wp-admin pages are checked more carefully
+ if ( is_network_admin() )
+ preg_match('#/wp-admin/network/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches);
+ elseif ( is_user_admin() )
+ preg_match('#/wp-admin/user/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches);
+ else
+ preg_match('#/wp-admin/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches);
$pagenow = $self_matches[1];
-} else if (strstr($PHP_SELF, '?')) {
- $pagenow = explode('/', $PHP_SELF);
- $pagenow = trim($pagenow[(sizeof($pagenow)-1)]);
- $pagenow = explode('?', $pagenow);
- $pagenow = $pagenow[0];
+ $pagenow = trim($pagenow, '/');
+ $pagenow = preg_replace('#\?.*?$#', '', $pagenow);
+ if ( '' === $pagenow || 'index' === $pagenow || 'index.php' === $pagenow ) {
+ $pagenow = 'index.php';
+ } else {
+ preg_match('#(.*?)(/|$)#', $pagenow, $self_matches);
+ $pagenow = strtolower($self_matches[1]);
+ if ( '.php' !== substr($pagenow, -4, 4) )
+ $pagenow .= '.php'; // for Options +Multiviews: /wp-admin/themes/index.php (themes.php is queried)
+ }
} else {
- $pagenow = 'index.php';
+ if ( preg_match('#([^/]+\.php)([?/].*?)?$#i', $_SERVER['PHP_SELF'], $self_matches) )
+ $pagenow = strtolower($self_matches[1]);
+ else
+ $pagenow = 'index.php';
}
+unset($self_matches);
// Simple browser detection
-$is_lynx = 0; $is_gecko = 0; $is_winIE = 0; $is_macIE = 0; $is_opera = 0; $is_NS4 = 0;
+$is_lynx = $is_gecko = $is_winIE = $is_macIE = $is_opera = $is_NS4 = $is_safari = $is_chrome = $is_iphone = $is_edge = false;
-if (preg_match('/Lynx/', $_SERVER['HTTP_USER_AGENT'])) {
- $is_lynx = 1;
-} elseif (preg_match('/Gecko/', $_SERVER['HTTP_USER_AGENT'])) {
- $is_gecko = 1;
-} elseif ((preg_match('/MSIE/', $_SERVER['HTTP_USER_AGENT'])) && (preg_match('/Win/', $_SERVER['HTTP_USER_AGENT']))) {
- $is_winIE = 1;
-} elseif ((preg_match('/MSIE/', $_SERVER['HTTP_USER_AGENT'])) && (preg_match('/Mac/', $_SERVER['HTTP_USER_AGENT']))) {
- $is_macIE = 1;
-} elseif (preg_match('/Opera/', $_SERVER['HTTP_USER_AGENT'])) {
- $is_opera = 1;
-} elseif ((preg_match('/Nav/', $_SERVER['HTTP_USER_AGENT']) ) || (preg_match('/Mozilla\/4\./', $_SERVER['HTTP_USER_AGENT']))) {
- $is_NS4 = 1;
+if ( isset($_SERVER['HTTP_USER_AGENT']) ) {
+ if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Lynx') !== false ) {
+ $is_lynx = true;
+ } elseif ( strpos( $_SERVER['HTTP_USER_AGENT'], 'Edge' ) !== false ) {
+ $is_edge = true;
+ } elseif ( stripos($_SERVER['HTTP_USER_AGENT'], 'chrome') !== false ) {
+ if ( stripos( $_SERVER['HTTP_USER_AGENT'], 'chromeframe' ) !== false ) {
+ $is_admin = is_admin();
+ /**
+ * Filters whether Google Chrome Frame should be used, if available.
+ *
+ * @since 3.2.0
+ *
+ * @param bool $is_admin Whether to use the Google Chrome Frame. Default is the value of is_admin().
+ */
+ if ( $is_chrome = apply_filters( 'use_google_chrome_frame', $is_admin ) )
+ header( 'X-UA-Compatible: chrome=1' );
+ $is_winIE = ! $is_chrome;
+ } else {
+ $is_chrome = true;
+ }
+ } elseif ( stripos($_SERVER['HTTP_USER_AGENT'], 'safari') !== false ) {
+ $is_safari = true;
+ } elseif ( ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false || strpos($_SERVER['HTTP_USER_AGENT'], 'Trident') !== false ) && strpos($_SERVER['HTTP_USER_AGENT'], 'Win') !== false ) {
+ $is_winIE = true;
+ } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mac') !== false ) {
+ $is_macIE = true;
+ } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') !== false ) {
+ $is_gecko = true;
+ } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') !== false ) {
+ $is_opera = true;
+ } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Nav') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mozilla/4.') !== false ) {
+ $is_NS4 = true;
+ }
}
-$is_IE = (($is_macIE) || ($is_winIE));
+
+if ( $is_safari && stripos($_SERVER['HTTP_USER_AGENT'], 'mobile') !== false )
+ $is_iphone = true;
+
+$is_IE = ( $is_macIE || $is_winIE );
// Server detection
-$is_apache = ( strstr($_SERVER['SERVER_SOFTWARE'], 'Apache') || strstr($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') ) ? 1 : 0;
-$is_IIS = strstr($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') ? 1 : 0;
-// On OS X Server, $_SERVER['REMOTE_ADDR'] is the server's address. Workaround this
-// by using $_SERVER['HTTP_PC_REMOTE_ADDR'], which *is* the remote address.
-if ( isset($_SERVER['HTTP_PC_REMOTE_ADDR']) )
- $_SERVER['REMOTE_ADDR'] = $_SERVER['HTTP_PC_REMOTE_ADDR'];
+/**
+ * Whether the server software is Apache or something else
+ * @global bool $is_apache
+ */
+$is_apache = (strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false);
-// if the config file does not provide the smilies array, let's define it here
-if (!isset($wpsmiliestrans)) {
- $wpsmiliestrans = array(
- ':mrgreen:' => 'icon_mrgreen.gif',
- ':neutral:' => 'icon_neutral.gif',
- ':twisted:' => 'icon_twisted.gif',
- ':arrow:' => 'icon_arrow.gif',
- ':shock:' => 'icon_eek.gif',
- ':smile:' => 'icon_smile.gif',
- ' :???:' => 'icon_confused.gif',
- ':cool:' => 'icon_cool.gif',
- ':evil:' => 'icon_evil.gif',
- ':grin:' => 'icon_biggrin.gif',
- ':idea:' => 'icon_idea.gif',
- ':oops:' => 'icon_redface.gif',
- ':razz:' => 'icon_razz.gif',
- ':roll:' => 'icon_rolleyes.gif',
- ':wink:' => 'icon_wink.gif',
- ':cry:' => 'icon_cry.gif',
- ':eek:' => 'icon_surprised.gif',
- ':lol:' => 'icon_lol.gif',
- ':mad:' => 'icon_mad.gif',
- ':sad:' => 'icon_sad.gif',
- ' 8-)' => 'icon_cool.gif',
- ' 8-O' => 'icon_eek.gif',
- ' :-(' => 'icon_sad.gif',
- ' :-)' => 'icon_smile.gif',
- ' :-?' => 'icon_confused.gif',
- ' :-D' => 'icon_biggrin.gif',
- ' :-P' => 'icon_razz.gif',
- ' :-o' => 'icon_surprised.gif',
- ' :-x' => 'icon_mad.gif',
- ' :-|' => 'icon_neutral.gif',
- ' ;-)' => 'icon_wink.gif',
- ' 8)' => 'icon_cool.gif',
- ' 8O' => 'icon_eek.gif',
- ' :(' => 'icon_sad.gif',
- ' :)' => 'icon_smile.gif',
- ' :?' => 'icon_confused.gif',
- ' :D' => 'icon_biggrin.gif',
- ' :P' => 'icon_razz.gif',
- ' :o' => 'icon_surprised.gif',
- ' :x' => 'icon_mad.gif',
- ' :|' => 'icon_neutral.gif',
- ' ;)' => 'icon_wink.gif',
- ':!:' => 'icon_exclaim.gif',
- ':?:' => 'icon_question.gif',
- );
-}
+/**
+ * Whether the server software is Nginx or something else
+ * @global bool $is_nginx
+ */
+$is_nginx = (strpos($_SERVER['SERVER_SOFTWARE'], 'nginx') !== false);
+/**
+ * Whether the server software is IIS or something else
+ * @global bool $is_IIS
+ */
+$is_IIS = !$is_apache && (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'ExpressionDevServer') !== false);
-// generates smilies' search & replace arrays
-foreach($wpsmiliestrans as $smiley => $img) {
- $wp_smiliessearch[] = $smiley;
- $smiley_masked = htmlspecialchars( trim($smiley) , ENT_QUOTES);
- $wp_smiliesreplace[] = " <img src='" . get_settings('siteurl') . "/wp-includes/images/smilies/$img' alt='$smiley_masked' class='wp-smiley' /> ";
-}
+/**
+ * Whether the server software is IIS 7.X or greater
+ * @global bool $is_iis7
+ */
+$is_iis7 = $is_IIS && intval( substr( $_SERVER['SERVER_SOFTWARE'], strpos( $_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/' ) + 14 ) ) >= 7;
+
+/**
+ * Test if the current browser runs on a mobile device (smart phone, tablet, etc.)
+ *
+ * @return bool
+ */
+function wp_is_mobile() {
+ if ( empty($_SERVER['HTTP_USER_AGENT']) ) {
+ $is_mobile = false;
+ } elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Mobile') !== false // many mobile devices (all iPhone, iPad, etc.)
+ || strpos($_SERVER['HTTP_USER_AGENT'], 'Android') !== false
+ || strpos($_SERVER['HTTP_USER_AGENT'], 'Silk/') !== false
+ || strpos($_SERVER['HTTP_USER_AGENT'], 'Kindle') !== false
+ || strpos($_SERVER['HTTP_USER_AGENT'], 'BlackBerry') !== false
+ || strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mini') !== false
+ || strpos($_SERVER['HTTP_USER_AGENT'], 'Opera Mobi') !== false ) {
+ $is_mobile = true;
+ } else {
+ $is_mobile = false;
+ }
-?>
+ return $is_mobile;
+}
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff