/usr/share/php/PHP/Compat/Function/glob.php is in php-compat 1.6.0a3-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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if (!defined('GLOB_ERR')) {
define('GLOB_ERR', 1);
}
if (!defined('GLOB_MARK')) {
define('GLOB_MARK', 2);
}
if (!defined('GLOB_NOSORT')) {
define('GLOB_NOSORT', 4);
}
if (!defined('GLOB_NOCHECK')) {
define('GLOB_NOCHECK', 16);
}
if (!defined('GLOB_NOESCAPE')) {
define('GLOB_NOESCAPE', 64);
}
if (!defined('GLOB_BRACE')) {
define('GLOB_BRACE', 1024);
}
if (!defined('GLOB_ONLYDIR')) {
define('GLOB_ONLYDIR', 8192);
}
/**
* Replace glob()
*
* @category PHP
* @package PHP_Compat
* @license LGPL - http://www.gnu.org/licenses/lgpl.html
* @copyright 2004-2007 Aidan Lister <aidan@php.net>, Arpad Ray <arpad@php.net>
* @link http://php.net/glob
* @author Arpad Ray <arpad@php.net>
* @version $Revision: 269597 $
* @since PHP 4.3.0
* @require PHP 3.0.9 (preg_replace)
*/
function php_compat_glob($pattern, $flags = 0)
{
$return_failure = ($flags & GLOB_NOCHECK) ? array($pattern) : false;
// build path to scan files
$path = '.';
$wildcards_open = '*?[';
$wildcards_close = ']';
if ($flags & GLOB_BRACE) {
$wildcards_open .= '{';
$wildcards_close .= '}';
}
$prefix_length = strcspn($pattern, $wildcards_open);
if ($prefix_length) {
if (DIRECTORY_SEPARATOR == '\\') {
$sep = ($flags & GLOB_NOESCAPE) ? '[\\\\/]' : '(?:/|\\\\(?![' . $wildcards_open . $wildcards_close . ']))';
} else {
$sep = '/';
}
if (preg_match('#^(.*)' . $sep . '#', substr($pattern, 0, $prefix_length), $matches)) {
$path = $matches[1];
}
}
$recurse = (strpos($pattern, DIRECTORY_SEPARATOR, $prefix_length) !== false);
// scan files
$files = php_compat_glob_scan_helper($path, $flags, $recurse);
if ($files === false) {
return $return_failure;
}
// build preg pattern
$pattern = php_compat_glob_convert_helper($pattern, $flags);
$convert_patterns = array('/\{([^{}]*)\}/e', '/\[([^\]]*)\]/e');
$convert_replacements = array(
'php_compat_glob_brace_helper(\'$1\', $flags)',
'php_compat_glob_charclass_helper(\'$1\', $flags)'
);
while ($flags & GLOB_BRACE) {
$new_pattern = preg_replace($convert_patterns, $convert_replacements, $pattern);
if ($new_pattern == $pattern) {
break;
}
$pattern = $new_pattern;
}
$pattern = '#^' . $pattern . '\z#';
// process files
$results = array();
foreach ($files as $file => $dir) {
if (!preg_match($pattern, $file, $matches)) {
continue;
}
if (($flags & GLOB_ONLYDIR) && !$dir) {
continue;
}
$file = (($flags & GLOB_MARK) && $dir) ? $file . DIRECTORY_SEPARATOR : $file;
if ($flags & GLOB_BRACE) {
// find last matching subpattern
$rank = 0;
for ($i = 1, $matchc = count($matches); $i < $matchc; $i++) {
if (strlen($matches[$i])) {
$rank = $i;
}
}
$file = array($file, $rank);
}
$results[] = $file;
}
if ($flags & GLOB_BRACE) {
usort($results, ($flags & GLOB_NOSORT) ? 'php_compat_glob_brace_nosort_helper' : 'php_compat_glob_brace_sort_helper');
} else if ($flags & GLOB_NOSORT) {
usort($results, 'php_compat_glob_nosort_helper');
} else {
sort($results);
}
// array_values() for php 4 +
$reindex = array();
foreach ($results as $result) {
$reindex[] = ($flags & GLOB_BRACE) ? $result[0] : $result;
}
if (($flags & GLOB_NOCHECK) && !count($reindex)) {
return $return_failure;
}
return $reindex;
}
/**
* Scans a path
*
* @param string $path
* the path to scan
* @param int $flags
* the flags passed to glob()
* @param bool $recurse
* true to scan recursively
* @return mixed
* an array of files in the given path where the key is the path,
* and the value is 1 if the file is a directory, 0 if it isn't.
* Returns false on unrecoverable errors, or all errors when
* GLOB_ERR is on.
*/
function php_compat_glob_scan_helper($path, $flags, $recurse = false)
{
if (!is_readable($path)) {
return false;
}
$results = array();
if (is_dir($path)) {
$fp = opendir($path);
if (!$fp) {
return ($flags & GLOB_ERR) ? false : array($path);
}
if ($path != '.') {
$results[$path] = 1;
}
while (($file = readdir($fp)) !== false) {
if ($file[0] == '.' || $file == '..') {
continue;
}
$filepath = ($path == '.') ? $file : $path . DIRECTORY_SEPARATOR . $file;
if (is_dir($filepath)) {
$results[$filepath] = 1;
if (!$recurse) {
continue;
}
$files = php_compat_glob_scan_helper($filepath, $flags);
if ($files === false) {
if ($flags & GLOB_ERR) {
return false;
}
continue;
}
// array_merge for php 4 +
foreach ($files as $rfile => $rdir) {
$results[$rfile] = $rdir;
}
continue;
}
$results[$filepath] = 0;
}
closedir($fp);
} else {
$results[$path] = 0;
}
return $results;
}
/**
* Converts a section of a glob pattern to a PCRE pattern
*
* @param string $input
* the pattern to convert
* @param int $flags
* the flags passed to glob()
* @return string
* the escaped input
*/
function php_compat_glob_convert_helper($input, $flags)
{
$opens = array(
'{' => array('}', 0),
'[' => array(']', 0),
'(' => array(')', 0)
);
$ret = '';
for ($i = 0, $len = strlen($input); $i < $len; $i++) {
$skip = false;
$c = $input[$i];
$escaped = ($i && $input[$i - 1] == '\\' && ($flags & GLOB_NOCHECK == false));
// skips characters classes and subpatterns, they are escaped in their respective helpers
foreach ($opens as $k => $v) {
if ($v[1]) {
if ($c == $v[0] && !$escaped) {
--$opens[$k][1];
$ret .= $c;
continue 2;
}
$skip = true;
}
}
if (isset($opens[$c])) {
if (!$escaped) {
++$opens[$c][1];
}
$ret .= $c;
continue;
}
if ($skip) {
$ret .= $c;
continue;
}
// converts wildcards
switch ($c) {
case '*':
$ret .= $escaped ? '*' : '.*';
continue 2;
case '?':
if ($escaped) {
continue;
}
$ret .= '.';
continue 2;
}
$ret .= preg_quote($c, '#');
}
return $ret;
}
/**
* Converts glob braces
*
* @param string $brace
* the contents of the braces to convert
* @param int $flags
* the flags passed to glob()
* @return string
* a PCRE subpattern of alternatives
*/
function php_compat_glob_brace_helper($brace, $flags)
{
$alternatives = explode(',', $brace);
for ($i = count($alternatives); $i--;) {
$alternatives[$i] = php_compat_glob_convert_helper($alternatives[$i], $flags);
}
return '(?:(' . implode(')|(', $alternatives) . '))';
}
/**
* Converts glob character classes
*
* @param string $class
* the contents of the class to convert
* @param int $flags
* the flags passed to glob()
* @return string
* a PCRE character class
*/
function php_compat_glob_charclass_helper($class, $flags)
{
if (strpos($class, '-') !== false) {
$class = strtr($class, array('-' => '')) . '-';
}
if (strpos($class, ']') !== false) {
$class = ']' . strtr($class, array(']' => ''));
}
if (strpos($class, '^') !== false) {
$class = '\^' . strtr($class, array('^' => ''));
}
return '[' . strtr($class, array('#' => '\#')) . ']';
}
/**
* Callback sort function for GLOB_NOSORT
*
* Sorts first by the base name, then in reverse by the extension
*/
function php_compat_glob_nosort_helper($a, $b)
{
$operands = array(array('full' => $a), array('full' => $b));
foreach ($operands as $k => $v) {
$v['pos'] = strrpos($v['full'], '.');
if ($v['pos'] === false) {
$v['pos'] = strlen($v['full']) - 1;
}
$v['slash'] = strrpos($v['full'], DIRECTORY_SEPARATOR);
if ($v['slash'] === false) {
$v['slash'] = strlen($v['full']) - 1;
}
$operands[$k]['dir'] = substr($v['full'], 0, $v['slash']);
$operands[$k]['base'] = substr($v['full'], $v['slash'], $v['pos'] - $v['slash']);
$operands[$k]['ext'] = substr($v['full'], $v['pos'] + 1);
}
$dir_cmp = strcmp($operands[0]['dir'], $operands[1]['dir']);
if ($dir_cmp == 0) {
$base_cmp = strcmp($operands[0]['base'], $operands[1]['base']);
if ($base_cmp == 0) {
$ext_cmp = strcmp($operands[0]['ext'], $operands[1]['ext']);
return -$ext_cmp;
}
return $base_cmp;
}
return -$dir_cmp;
}
/**
* Callback sort function for GLOB_BRACE
*
* Each argument should be an array where the first element is the
* file path, and the second is its rank. The rank is the number of
* alternatives between this match and the beginning of the brace.
*/
function php_compat_glob_brace_sort_helper($a, $b)
{
if ($a[1] == $b[1]) {
return strcmp($a[0], $b[0]);
}
return ($a[1] < $b[1]) ? -1 : 1;
}
/**
* Callback sort function for (GLOB_BRACE | GLOB_NOSORT)
*
* Receives the same arguments php_compat_glob_brace_sort_helper()
*/
function php_compat_glob_brace_nosort_helper($a, $b)
{
if ($a[1] == $b[1]) {
$len_a = strlen($a[0]);
$len_b = strlen($b[0]);
if ($len_a == $len_b) {
return -strcmp($a[0], $b[0]);
}
return ($len_a < $len_b) ? -1 : 1;
}
return ($a[1] < $b[1]) ? -1 : 1;
}
if (!function_exists('glob')) {
function glob($pattern, $flags = 0)
{
return php_compat_glob($pattern, $flags);
}
}
?>
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