Add glob() compat for php < 4.3.0

git-svn-id: https://develop.svn.wordpress.org/trunk@3198 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/functions-compat.php

@@ -89,4 +89,68 @@ if (!function_exists('array_change_key_case')) {
     }
 }
 
+/* Added in PHP 4.3.0 */
+
+if( !(function_exists('glob')) ):
+function glob($pattern) {
+	// get pathname (everything up until the last / or \)
+	$path=$output=null;
+//	if(PHP_OS=='WIN32')
+//		$slash='\\';
+//	else
+//		$slash='/';
+	$slash = '/';
+	$lastpos=strrpos($pattern,$slash);
+	if(!($lastpos===false)) {
+		$path=substr($pattern,0,$lastpos); #negative length means take from the right
+		$pattern=substr($pattern,$lastpos+1);
+  	} else {
+  		//no dir info, use current dir
+		$path=getcwd();
+	}
+	$handle=@ opendir($path);
+	if($handle===false)
+		return false;
+	while($dir=readdir($handle)) {
+		if ( '.' == $dir || '..' == $dir )
+			continue;
+		if (pattern_match($pattern,$dir))
+			$output[]=$path . '/' . $dir;
+	}
+	closedir($handle);
+	print_r($output);
+	if(is_array($output))
+		return $output;
+
+	return false;
+}
+
+function pattern_match($pattern,$string) {
+	// basically prepare a regular expression
+	$out=null;
+	$chunks=explode(';',$pattern);
+	foreach($chunks as $pattern) {
+		$escape=array('$','^','.','{','}','(',')','[',']','|');
+		while(strpos($pattern,'**')!==false)
+			$pattern=str_replace('**','*',$pattern);
+		foreach($escape as $probe)
+			$pattern=str_replace($probe,"\\$probe",$pattern);
+
+		$pattern=str_replace('?*','*',
+		str_replace('*?','*',
+		str_replace('*',".*",
+		str_replace('?','.{1,1}',$pattern))));
+		$out[]=$pattern;
+	}
+
+	if(count($out)==1)
+		return(eregi("^$out[0]$",$string));
+	else
+		foreach($out as $tester)
+			if(eregi("^$tester$",$string))
+				return true;
+	return false;
+}
+endif;
+
 ?>