X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/7688c6ba71852cd89123b62b2d57683535e4702a..4f9d63e13cd8c6e275797c75b401b074b82937bc:/wp-includes/vars.php

diff --git a/wp-includes/vars.php b/wp-includes/vars.php
index e01feeae..7a62c892 100644
--- a/wp-includes/vars.php
+++ b/wp-includes/vars.php
@@ -1,10 +1,23 @@
 <?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 and IIS. Two web servers
+ * with known permalink capability.
+ *
+ * @package WordPress
+ */
 
 // On which page are we ?
 if ( is_admin() ) {
 	// wp-admin pages are checked more carefully
 	preg_match('#/wp-admin/?(.*?)$#i', $PHP_SELF, $self_matches);
 	$pagenow = $self_matches[1];
+	$pagenow = trim($pagenow, '/');
 	$pagenow = preg_replace('#\?.*?$#', '', $pagenow);
 	if ( '' === $pagenow || 'index' === $pagenow || 'index.php' === $pagenow ) {
 		$pagenow = 'index.php';
@@ -22,26 +35,52 @@ if ( is_admin() ) {
 }
 
 // Simple browser detection
-$is_lynx = $is_gecko = $is_winIE = $is_macIE = $is_opera = $is_NS4 = false;
-
-if (strpos($_SERVER['HTTP_USER_AGENT'], 'Lynx') !== false) {
-	$is_lynx = true;
-} elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'Gecko') !== false) {
-	$is_gecko = true;
-} elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Win') !== false) {
-	$is_winIE = true;
-} elseif (strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mac') !== false) {
-	$is_macIE = true;
-} elseif (strpos($_SERVER['HTTP_USER_AGENT'], '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_lynx = $is_gecko = $is_winIE = $is_macIE = $is_opera = $is_NS4 = $is_safari = $is_chrome = $is_iphone = false;
+
+if ( isset($_SERVER['HTTP_USER_AGENT']) ) {
+	if ( strpos($_SERVER['HTTP_USER_AGENT'], 'Lynx') !== false ) {
+		$is_lynx = true;
+	} elseif ( stripos($_SERVER['HTTP_USER_AGENT'], 'chrome') !== false ) {
+		$is_chrome = true;
+	} elseif ( stripos($_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 ) {
+		$is_winIE = true;
+	} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mac') !== false ) {
+		$is_macIE = true;
+	} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Opera') !== false ) {
+		$is_opera = true;
+	} elseif ( strpos($_SERVER['HTTP_USER_AGENT'], 'Nav') !== false && strpos($_SERVER['HTTP_USER_AGENT'], 'Mozilla/4.') !== false ) {
+		$is_NS4 = true;
+	}
 }
 
+if ( $is_safari && stripos($_SERVER['HTTP_USER_AGENT'], 'mobile') !== false )
+	$is_iphone = true;
+
 $is_IE = ( $is_macIE || $is_winIE );
 
 // Server detection
-$is_apache = ((strpos($_SERVER['SERVER_SOFTWARE'], 'Apache') !== false) || (strpos($_SERVER['SERVER_SOFTWARE'], 'LiteSpeed') !== false)) ? true : false;
-$is_IIS = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== false) ? true : false;
+
+/**
+ * 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);
+
+/**
+ * Whether the server software is IIS or something else
+ * @global bool $is_IIS
+ */
+$is_IIS = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS') !== false || strpos($_SERVER['SERVER_SOFTWARE'], 'ExpressionDevServer') !== false);
+
+/**
+ * Whether the server software is IIS 7.X
+ * @global bool $is_iis7
+ */
+$is_iis7 = (strpos($_SERVER['SERVER_SOFTWARE'], 'Microsoft-IIS/7.') !== false);
+
 
 ?>
\ No newline at end of file