X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/ff81ee6e8304a1982a3ec4f5b134764a29d502cf..61343b82c4f0da4c68e4c6373daafff4a81efdd1:/wp-includes/vars.php

diff --git a/wp-includes/vars.php b/wp-includes/vars.php
index 705d8b25..f55cdbd9 100644
--- a/wp-includes/vars.php
+++ b/wp-includes/vars.php
@@ -1,113 +1,127 @@
 <?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
+ */
+
+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 (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; $is_NS4 = 0;
-if (!isset($HTTP_USER_AGENT)) {
-	$HTTP_USER_AGENT = $_SERVER['HTTP_USER_AGENT'];
-}
-if (preg_match('/Lynx/', $HTTP_USER_AGENT)) {
-	$is_lynx = 1;
-} elseif (preg_match('/Gecko/', $HTTP_USER_AGENT)) {
-	$is_gecko = 1;
-} elseif ((preg_match('/MSIE/', $HTTP_USER_AGENT)) && (preg_match('/Win/', $HTTP_USER_AGENT))) {
-	$is_winIE = 1;
-} elseif ((preg_match('/MSIE/', $HTTP_USER_AGENT)) && (preg_match('/Mac/', $HTTP_USER_AGENT))) {
-	$is_macIE = 1;
-} elseif (preg_match('/Opera/', $HTTP_USER_AGENT)) {
-	$is_opera = 1;
-} elseif ((preg_match('/Nav/', $HTTP_USER_AGENT) ) || (preg_match('/Mozilla\/4\./', $HTTP_USER_AGENT))) {
-	$is_NS4 = 1;
+$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 ) {
+		if ( stripos( $_SERVER['HTTP_USER_AGENT'], 'chromeframe' ) !== false ) {
+			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'], '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_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(
-	' :)'        => 'icon_smile.gif',
-	' :D'        => 'icon_biggrin.gif',
-	' :-D'       => 'icon_biggrin.gif',
-	':grin:'    => 'icon_biggrin.gif',
-	' :)'        => 'icon_smile.gif',
-	' :-)'       => 'icon_smile.gif',
-	':smile:'   => 'icon_smile.gif',
-	' :('        => 'icon_sad.gif',
-	' :-('       => 'icon_sad.gif',
-	':sad:'     => 'icon_sad.gif',
-	' :o'        => 'icon_surprised.gif',
-	' :-o'       => 'icon_surprised.gif',
-	':eek:'     => 'icon_surprised.gif',
-	' 8O'        => 'icon_eek.gif',
-	' 8-O'       => 'icon_eek.gif',
-	':shock:'   => 'icon_eek.gif',
-	' :?'        => 'icon_confused.gif',
-	' :-?'       => 'icon_confused.gif',
-	' :???:'     => 'icon_confused.gif',
-	' 8)'        => 'icon_cool.gif',
-	' 8-)'       => 'icon_cool.gif',
-	':cool:'    => 'icon_cool.gif',
-	':lol:'     => 'icon_lol.gif',
-	' :x'        => 'icon_mad.gif',
-	' :-x'       => 'icon_mad.gif',
-	':mad:'     => 'icon_mad.gif',
-	' :P'        => 'icon_razz.gif',
-	' :-P'       => 'icon_razz.gif',
-	':razz:'    => 'icon_razz.gif',
-	':oops:'    => 'icon_redface.gif',
-	':cry:'     => 'icon_cry.gif',
-	':evil:'    => 'icon_evil.gif',
-	':twisted:' => 'icon_twisted.gif',
-	':roll:'    => 'icon_rolleyes.gif',
-	':wink:'    => 'icon_wink.gif',
-	' ;)'        => 'icon_wink.gif',
-	' ;-)'       => 'icon_wink.gif',
-	':!:'       => 'icon_exclaim.gif',
-	':?:'       => 'icon_question.gif',
-	':idea:'    => 'icon_idea.gif',
-	':arrow:'   => 'icon_arrow.gif',
-	' :|'        => 'icon_neutral.gif',
-	' :-|'       => 'icon_neutral.gif',
-	':neutral:' => 'icon_neutral.gif',
-	':mrgreen:' => 'icon_mrgreen.gif',
-	);
-}
+/**
+ * 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);
 
-// sorts the smilies' array
-if (!function_exists('smiliescmp')) {
-function smiliescmp ($a, $b) {
-	if (strlen($a) == strlen($b)) {
-		return strcmp($a, $b);
-	}
-		return (strlen($a) > strlen($b)) ? -1 : 1;
+/**
+ * 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 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 {
+		$is_mobile = false;
 	}
-}
-uksort($wpsmiliestrans, 'smiliescmp');
 
-// 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' /> ";
+	return $is_mobile;
 }
-
-?>