X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/38ca813a0e312e2768e5b9519f0415cd0aa84781..refs/tags/wordpress-3.7:/wp-includes/vars.php

diff --git a/wp-includes/vars.php b/wp-includes/vars.php
index aca78f1f..045cfdc2 100644
--- a/wp-includes/vars.php
+++ b/wp-includes/vars.php
@@ -12,15 +12,19 @@
  * @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_apache, $is_IIS, $is_iis7;
+
 // On which page are we ?
 if ( is_admin() ) {
 	// wp-admin pages are checked more carefully
 	if ( is_network_admin() )
-		preg_match('#/wp-admin/network/?(.*?)$#i', $PHP_SELF, $self_matches);
+		preg_match('#/wp-admin/network/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches);
 	elseif ( is_user_admin() )
-		preg_match('#/wp-admin/user/?(.*?)$#i', $PHP_SELF, $self_matches);
+		preg_match('#/wp-admin/user/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches);
 	else
-		preg_match('#/wp-admin/?(.*?)$#i', $PHP_SELF, $self_matches);
+		preg_match('#/wp-admin/?(.*?)$#i', $_SERVER['PHP_SELF'], $self_matches);
 	$pagenow = $self_matches[1];
 	$pagenow = trim($pagenow, '/');
 	$pagenow = preg_replace('#\?.*?$#', '', $pagenow);
@@ -33,7 +37,7 @@ if ( is_admin() ) {
 			$pagenow .= '.php'; // for Options +Multiviews: /wp-admin/themes/index.php (themes.php is queried)
 	}
 } else {
-	if ( preg_match('#([^/]+\.php)([?/].*?)?$#i', $PHP_SELF, $self_matches) )
+	if ( preg_match('#([^/]+\.php)([?/].*?)?$#i', $_SERVER['PHP_SELF'], $self_matches) )
 		$pagenow = strtolower($self_matches[1]);
 	else
 		$pagenow = 'index.php';
@@ -48,7 +52,15 @@ if ( isset($_SERVER['HTTP_USER_AGENT']) ) {
 		$is_lynx = true;
 	} elseif ( stripos($_SERVER['HTTP_USER_AGENT'], 'chrome') !== false ) {
 		if ( stripos( $_SERVER['HTTP_USER_AGENT'], 'chromeframe' ) !== false ) {
-			if ( $is_chrome = apply_filters( 'use_google_chrome_frame', is_admin() ) )
+			$is_admin = is_admin();
+			/**
+			 * Filter 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 = ! $is_chrome;
 		} else {
@@ -56,12 +68,12 @@ if ( isset($_SERVER['HTTP_USER_AGENT']) ) {
 		}
 	} elseif ( stripos($_SERVER['HTTP_USER_AGENT'], 'safari') !== false ) {
 		$is_safari = true;
-	} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') !== false ) {
-		$is_gecko = true;
-	} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Win') !== false ) {
+	} elseif ( ( strpos($_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 ) {
@@ -82,6 +94,12 @@ $is_IE = ( $is_macIE || $is_winIE );
  */
 $is_apache = (strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false);
 
+/**
+ * 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
@@ -89,9 +107,35 @@ $is_apache = (strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false || strpos(
 $is_IIS = !$is_apache && (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'ExpressionDevServer') !== false);
 
 /**
- * Whether the server software is IIS 7.X
+ * Whether the server software is IIS 7.X or greater
  * @global bool $is_iis7
  */
-$is_iis7 = $is_IIS && (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/7.') !== false);
+$is_iis7 = $is_IIS && intval( substr( $_SERVER['SERVER_SOFTWARE'], strpos( $_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/' ) + 14 ) ) >= 7;
 
-?>
\ No newline at end of file
+/**
+ * Test if the current browser runs on a mobile device (smart phone, tablet, etc.)
+ *
+ * @return bool true|false
+ */
+function wp_is_mobile() {
+	static $is_mobile;
+
+	if ( isset($is_mobile) )
+		return $is_mobile;
+
+	if ( empty($_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;
+}