rlm@3: <?php
rlm@3: // +----------------------------------------------------------------------+
rlm@3: // | PHP version 5 |
rlm@3: // +----------------------------------------------------------------------+
rlm@3: // | Copyright (c) 2002-2006 James Heinrich, Allan Hansen |
rlm@3: // +----------------------------------------------------------------------+
rlm@3: // | This source file is subject to version 2 of the GPL license, |
rlm@3: // | that is bundled with this package in the file license.txt and is |
rlm@3: // | available through the world-wide-web at the following url: |
rlm@3: // | http://www.gnu.org/copyleft/gpl.html |
rlm@3: // +----------------------------------------------------------------------+
rlm@3: // | getID3() - http://getid3.sourceforge.net or http://www.getid3.org |
rlm@3: // +----------------------------------------------------------------------+
rlm@3: // | Authors: James Heinrich <infoØgetid3*org> |
rlm@3: // | Allan Hansen <ahØartemis*dk> |
rlm@3: // +----------------------------------------------------------------------+
rlm@3: // | module.archive.zip.php |
rlm@3: // | Module for analyzing pkZip files |
rlm@3: // | dependencies: NONE |
rlm@3: // +----------------------------------------------------------------------+
rlm@3: //
rlm@3: // $Id: module.archive.zip.php,v 1.4 2006/11/02 10:48:00 ah Exp $
rlm@3:
rlm@3:
rlm@3:
rlm@3: class getid3_zip extends getid3_handler
rlm@3: {
rlm@3:
rlm@3: public function Analyze() {
rlm@3:
rlm@3: $getid3 = $this->getid3;
rlm@3:
rlm@3: $getid3->info['zip'] = array ();
rlm@3: $info_zip = &$getid3->info['zip'];
rlm@3:
rlm@3: $getid3->info['fileformat'] = 'zip';
rlm@3:
rlm@3: $info_zip['encoding'] = 'ISO-8859-1';
rlm@3: $info_zip['files'] = array ();
rlm@3: $info_zip['compressed_size'] = $info_zip['uncompressed_size'] = $info_zip['entries_count'] = 0;
rlm@3:
rlm@3: $eocd_search_data = '';
rlm@3: $eocd_search_counter = 0;
rlm@3: while ($eocd_search_counter++ < 512) {
rlm@3:
rlm@3: fseek($getid3->fp, -128 * $eocd_search_counter, SEEK_END);
rlm@3: $eocd_search_data = fread($getid3->fp, 128).$eocd_search_data;
rlm@3:
rlm@3: if (strstr($eocd_search_data, 'PK'."\x05\x06")) {
rlm@3:
rlm@3: $eocd_position = strpos($eocd_search_data, 'PK'."\x05\x06");
rlm@3: fseek($getid3->fp, (-128 * $eocd_search_counter) + $eocd_position, SEEK_END);
rlm@3: $info_zip['end_central_directory'] = $this->ZIPparseEndOfCentralDirectory();
rlm@3:
rlm@3: fseek($getid3->fp, $info_zip['end_central_directory']['directory_offset'], SEEK_SET);
rlm@3: $info_zip['entries_count'] = 0;
rlm@3: while ($central_directoryentry = $this->ZIPparseCentralDirectory($getid3->fp)) {
rlm@3: $info_zip['central_directory'][] = $central_directoryentry;
rlm@3: $info_zip['entries_count']++;
rlm@3: $info_zip['compressed_size'] += $central_directoryentry['compressed_size'];
rlm@3: $info_zip['uncompressed_size'] += $central_directoryentry['uncompressed_size'];
rlm@3:
rlm@3: if ($central_directoryentry['uncompressed_size'] > 0) {
rlm@3: $info_zip['files'] = getid3_zip::array_merge_clobber($info_zip['files'], getid3_zip::CreateDeepArray($central_directoryentry['filename'], '/', $central_directoryentry['uncompressed_size']));
rlm@3: }
rlm@3: }
rlm@3:
rlm@3: if ($info_zip['entries_count'] == 0) {
rlm@3: throw new getid3_exception('No Central Directory entries found (truncated file?)');
rlm@3: }
rlm@3:
rlm@3: if (!empty($info_zip['end_central_directory']['comment'])) {
rlm@3: $info_zip['comments']['comment'][] = $info_zip['end_central_directory']['comment'];
rlm@3: }
rlm@3:
rlm@3: if (isset($info_zip['central_directory'][0]['compression_method'])) {
rlm@3: $info_zip['compression_method'] = $info_zip['central_directory'][0]['compression_method'];
rlm@3: }
rlm@3: if (isset($info_zip['central_directory'][0]['flags']['compression_speed'])) {
rlm@3: $info_zip['compression_speed'] = $info_zip['central_directory'][0]['flags']['compression_speed'];
rlm@3: }
rlm@3: if (isset($info_zip['compression_method']) && ($info_zip['compression_method'] == 'store') && !isset($info_zip['compression_speed'])) {
rlm@3: $info_zip['compression_speed'] = 'store';
rlm@3: }
rlm@3:
rlm@3: return true;
rlm@3: }
rlm@3: }
rlm@3:
rlm@3: if ($this->getZIPentriesFilepointer()) {
rlm@3:
rlm@3: // central directory couldn't be found and/or parsed
rlm@3: // scan through actual file data entries, recover as much as possible from probable trucated file
rlm@3: if (@$info_zip['compressed_size'] > ($getid3->info['filesize'] - 46 - 22)) {
rlm@3: throw new getid3_exception('Warning: Truncated file! - Total compressed file sizes ('.$info_zip['compressed_size'].' bytes) is greater than filesize minus Central Directory and End Of Central Directory structures ('.($getid3->info['filesize'] - 46 - 22).' bytes)');
rlm@3: }
rlm@3: throw new getid3_exception('Cannot find End Of Central Directory - returned list of files in [zip][entries] array may not be complete');
rlm@3: }
rlm@3:
rlm@3: //throw new getid3_exception('Cannot find End Of Central Directory (truncated file?)');
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: private function getZIPHeaderFilepointerTopDown() {
rlm@3:
rlm@3: // shortcut
rlm@3: $getid3 = $this->getid3;
rlm@3:
rlm@3: $getid3->info['fileformat'] = 'zip';
rlm@3:
rlm@3: $getid3->info['zip'] = array ();
rlm@3: $info_zip['compressed_size'] = $info_zip['uncompressed_size'] = $info_zip['entries_count'] = 0;
rlm@3:
rlm@3: rewind($getid3->fp);
rlm@3: while ($fileentry = $this->ZIPparseLocalFileHeader()) {
rlm@3: $info_zip['entries'][] = $fileentry;
rlm@3: $info_zip['entries_count']++;
rlm@3: }
rlm@3: if ($info_zip['entries_count'] == 0) {
rlm@3: throw new getid3_exception('No Local File Header entries found');
rlm@3: }
rlm@3:
rlm@3: $info_zip['entries_count'] = 0;
rlm@3: while ($central_directoryentry = $this->ZIPparseCentralDirectory($getid3->fp)) {
rlm@3: $info_zip['central_directory'][] = $central_directoryentry;
rlm@3: $info_zip['entries_count']++;
rlm@3: $info_zip['compressed_size'] += $central_directoryentry['compressed_size'];
rlm@3: $info_zip['uncompressed_size'] += $central_directoryentry['uncompressed_size'];
rlm@3: }
rlm@3: if ($info_zip['entries_count'] == 0) {
rlm@3: throw new getid3_exception('No Central Directory entries found (truncated file?)');
rlm@3: }
rlm@3:
rlm@3: if ($eocd = $this->ZIPparseEndOfCentralDirectory()) {
rlm@3: $info_zip['end_central_directory'] = $eocd;
rlm@3: } else {
rlm@3: throw new getid3_exception('No End Of Central Directory entry found (truncated file?)');
rlm@3: }
rlm@3:
rlm@3: if (!@$info_zip['end_central_directory']['comment']) {
rlm@3: $info_zip['comments']['comment'][] = $info_zip['end_central_directory']['comment'];
rlm@3: }
rlm@3:
rlm@3: return true;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: private function getZIPentriesFilepointer() {
rlm@3:
rlm@3: // shortcut
rlm@3: $getid3 = $this->getid3;
rlm@3:
rlm@3: $getid3->info['zip'] = array ();
rlm@3: $info_zip['compressed_size'] = $info_zip['uncompressed_size'] = $info_zip['entries_count'] = 0;
rlm@3:
rlm@3: rewind($getid3->fp);
rlm@3: while ($fileentry = $this->ZIPparseLocalFileHeader($getid3->fp)) {
rlm@3: $info_zip['entries'][] = $fileentry;
rlm@3: $info_zip['entries_count']++;
rlm@3: $info_zip['compressed_size'] += $fileentry['compressed_size'];
rlm@3: $info_zip['uncompressed_size'] += $fileentry['uncompressed_size'];
rlm@3: }
rlm@3: if ($info_zip['entries_count'] == 0) {
rlm@3: throw new getid3_exception('No Local File Header entries found');
rlm@3: }
rlm@3:
rlm@3: return true;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: private function ZIPparseLocalFileHeader() {
rlm@3:
rlm@3: // shortcut
rlm@3: $getid3 = $this->getid3;
rlm@3:
rlm@3: $local_file_header['offset'] = ftell($getid3->fp);
rlm@3:
rlm@3: $zip_local_file_header = fread($getid3->fp, 30);
rlm@3:
rlm@3: $local_file_header['raw']['signature'] = getid3_lib::LittleEndian2Int(substr($zip_local_file_header, 0, 4));
rlm@3:
rlm@3: // Invalid Local File Header Signature
rlm@3: if ($local_file_header['raw']['signature'] != 0x04034B50) {
rlm@3: fseek($getid3->fp, $local_file_header['offset'], SEEK_SET); // seek back to where filepointer originally was so it can be handled properly
rlm@3: return false;
rlm@3: }
rlm@3:
rlm@3: getid3_lib::ReadSequence('LittleEndian2Int', $local_file_header['raw'], $zip_local_file_header, 4,
rlm@3: array (
rlm@3: 'extract_version' => 2,
rlm@3: 'general_flags' => 2,
rlm@3: 'compression_method' => 2,
rlm@3: 'last_mod_file_time' => 2,
rlm@3: 'last_mod_file_date' => 2,
rlm@3: 'crc_32' => 2,
rlm@3: 'compressed_size' => 2,
rlm@3: 'uncompressed_size' => 2,
rlm@3: 'filename_length' => 2,
rlm@3: 'extra_field_length' => 2
rlm@3: )
rlm@3: );
rlm@3:
rlm@3: $local_file_header['extract_version'] = sprintf('%1.1f', $local_file_header['raw']['extract_version'] / 10);
rlm@3: $local_file_header['host_os'] = $this->ZIPversionOSLookup(($local_file_header['raw']['extract_version'] & 0xFF00) >> 8);
rlm@3: $local_file_header['compression_method'] = $this->ZIPcompressionMethodLookup($local_file_header['raw']['compression_method']);
rlm@3: $local_file_header['compressed_size'] = $local_file_header['raw']['compressed_size'];
rlm@3: $local_file_header['uncompressed_size'] = $local_file_header['raw']['uncompressed_size'];
rlm@3: $local_file_header['flags'] = $this->ZIPparseGeneralPurposeFlags($local_file_header['raw']['general_flags'], $local_file_header['raw']['compression_method']);
rlm@3: $local_file_header['last_modified_timestamp'] = $this->DOStime2UNIXtime($local_file_header['raw']['last_mod_file_date'], $local_file_header['raw']['last_mod_file_time']);
rlm@3:
rlm@3: $filename_extra_field_length = $local_file_header['raw']['filename_length'] + $local_file_header['raw']['extra_field_length'];
rlm@3: if ($filename_extra_field_length > 0) {
rlm@3: $zip_local_file_header .= fread($getid3->fp, $filename_extra_field_length);
rlm@3:
rlm@3: if ($local_file_header['raw']['filename_length'] > 0) {
rlm@3: $local_file_header['filename'] = substr($zip_local_file_header, 30, $local_file_header['raw']['filename_length']);
rlm@3: }
rlm@3: if ($local_file_header['raw']['extra_field_length'] > 0) {
rlm@3: $local_file_header['raw']['extra_field_data'] = substr($zip_local_file_header, 30 + $local_file_header['raw']['filename_length'], $local_file_header['raw']['extra_field_length']);
rlm@3: }
rlm@3: }
rlm@3:
rlm@3: $local_file_header['data_offset'] = ftell($getid3->fp);
rlm@3: fseek($getid3->fp, $local_file_header['raw']['compressed_size'], SEEK_CUR);
rlm@3:
rlm@3: if ($local_file_header['flags']['data_descriptor_used']) {
rlm@3: $data_descriptor = fread($getid3->fp, 12);
rlm@3:
rlm@3: getid3_lib::ReadSequence('LittleEndian2Int', $local_file_header['data_descriptor'], $data_descriptor, 0,
rlm@3: array (
rlm@3: 'crc_32' => 4,
rlm@3: 'compressed_size' => 4,
rlm@3: 'uncompressed_size' => 4
rlm@3: )
rlm@3: );
rlm@3: }
rlm@3:
rlm@3: return $local_file_header;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: private function ZIPparseCentralDirectory() {
rlm@3:
rlm@3: // shortcut
rlm@3: $getid3 = $this->getid3;
rlm@3:
rlm@3: $central_directory['offset'] = ftell($getid3->fp);
rlm@3:
rlm@3: $zip_central_directory = fread($getid3->fp, 46);
rlm@3:
rlm@3: $central_directory['raw']['signature'] = getid3_lib::LittleEndian2Int(substr($zip_central_directory, 0, 4));
rlm@3:
rlm@3: // invalid Central Directory Signature
rlm@3: if ($central_directory['raw']['signature'] != 0x02014B50) {
rlm@3: fseek($getid3->fp, $central_directory['offset'], SEEK_SET); // seek back to where filepointer originally was so it can be handled properly
rlm@3: return false;
rlm@3: }
rlm@3:
rlm@3: getid3_lib::ReadSequence('LittleEndian2Int', $central_directory['raw'], $zip_central_directory, 4,
rlm@3: array (
rlm@3: 'create_version' => 2,
rlm@3: 'extract_version' => 2,
rlm@3: 'general_flags' => 2,
rlm@3: 'compression_method' => 2,
rlm@3: 'last_mod_file_time' => 2,
rlm@3: 'last_mod_file_date' => 2,
rlm@3: 'crc_32' => 4,
rlm@3: 'compressed_size' => 4,
rlm@3: 'uncompressed_size' => 4,
rlm@3: 'filename_length' => 2,
rlm@3: 'extra_field_length' => 2,
rlm@3: 'file_comment_length' => 2,
rlm@3: 'disk_number_start' => 2,
rlm@3: 'internal_file_attrib' => 2,
rlm@3: 'external_file_attrib' => 4,
rlm@3: 'local_header_offset' => 4
rlm@3: )
rlm@3: );
rlm@3:
rlm@3: $central_directory['entry_offset'] = $central_directory['raw']['local_header_offset'];
rlm@3: $central_directory['create_version'] = sprintf('%1.1f', $central_directory['raw']['create_version'] / 10);
rlm@3: $central_directory['extract_version'] = sprintf('%1.1f', $central_directory['raw']['extract_version'] / 10);
rlm@3: $central_directory['host_os'] = $this->ZIPversionOSLookup(($central_directory['raw']['extract_version'] & 0xFF00) >> 8);
rlm@3: $central_directory['compression_method'] = $this->ZIPcompressionMethodLookup($central_directory['raw']['compression_method']);
rlm@3: $central_directory['compressed_size'] = $central_directory['raw']['compressed_size'];
rlm@3: $central_directory['uncompressed_size'] = $central_directory['raw']['uncompressed_size'];
rlm@3: $central_directory['flags'] = $this->ZIPparseGeneralPurposeFlags($central_directory['raw']['general_flags'], $central_directory['raw']['compression_method']);
rlm@3: $central_directory['last_modified_timestamp'] = $this->DOStime2UNIXtime($central_directory['raw']['last_mod_file_date'], $central_directory['raw']['last_mod_file_time']);
rlm@3:
rlm@3: $filename_extra_field_comment_length = $central_directory['raw']['filename_length'] + $central_directory['raw']['extra_field_length'] + $central_directory['raw']['file_comment_length'];
rlm@3: if ($filename_extra_field_comment_length > 0) {
rlm@3: $filename_extra_field_comment = fread($getid3->fp, $filename_extra_field_comment_length);
rlm@3:
rlm@3: if ($central_directory['raw']['filename_length'] > 0) {
rlm@3: $central_directory['filename']= substr($filename_extra_field_comment, 0, $central_directory['raw']['filename_length']);
rlm@3: }
rlm@3: if ($central_directory['raw']['extra_field_length'] > 0) {
rlm@3: $central_directory['raw']['extra_field_data'] = substr($filename_extra_field_comment, $central_directory['raw']['filename_length'], $central_directory['raw']['extra_field_length']);
rlm@3: }
rlm@3: if ($central_directory['raw']['file_comment_length'] > 0) {
rlm@3: $central_directory['file_comment'] = substr($filename_extra_field_comment, $central_directory['raw']['filename_length'] + $central_directory['raw']['extra_field_length'], $central_directory['raw']['file_comment_length']);
rlm@3: }
rlm@3: }
rlm@3:
rlm@3: return $central_directory;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: private function ZIPparseEndOfCentralDirectory() {
rlm@3:
rlm@3: // shortcut
rlm@3: $getid3 = $this->getid3;
rlm@3:
rlm@3: $end_of_central_directory['offset'] = ftell($getid3->fp);
rlm@3:
rlm@3: $zip_end_of_central_directory = fread($getid3->fp, 22);
rlm@3:
rlm@3: $end_of_central_directory['signature'] = getid3_lib::LittleEndian2Int(substr($zip_end_of_central_directory, 0, 4));
rlm@3:
rlm@3: // invalid End Of Central Directory Signature
rlm@3: if ($end_of_central_directory['signature'] != 0x06054B50) {
rlm@3: fseek($getid3->fp, $end_of_central_directory['offset'], SEEK_SET); // seek back to where filepointer originally was so it can be handled properly
rlm@3: return false;
rlm@3: }
rlm@3:
rlm@3: getid3_lib::ReadSequence('LittleEndian2Int', $end_of_central_directory, $zip_end_of_central_directory, 4,
rlm@3: array (
rlm@3: 'disk_number_current' => 2,
rlm@3: 'disk_number_start_directory' => 2,
rlm@3: 'directory_entries_this_disk' => 2,
rlm@3: 'directory_entries_total' => 2,
rlm@3: 'directory_size' => 4,
rlm@3: 'directory_offset' => 4,
rlm@3: 'comment_length' => 2
rlm@3: )
rlm@3: );
rlm@3:
rlm@3: if ($end_of_central_directory['comment_length'] > 0) {
rlm@3: $end_of_central_directory['comment'] = fread($getid3->fp, $end_of_central_directory['comment_length']);
rlm@3: }
rlm@3:
rlm@3: return $end_of_central_directory;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: public static function ZIPparseGeneralPurposeFlags($flag_bytes, $compression_method) {
rlm@3:
rlm@3: $parsed_flags['encrypted'] = (bool)($flag_bytes & 0x0001);
rlm@3:
rlm@3: switch ($compression_method) {
rlm@3: case 6:
rlm@3: $parsed_flags['dictionary_size'] = (($flag_bytes & 0x0002) ? 8192 : 4096);
rlm@3: $parsed_flags['shannon_fano_trees'] = (($flag_bytes & 0x0004) ? 3 : 2);
rlm@3: break;
rlm@3:
rlm@3: case 8:
rlm@3: case 9:
rlm@3: switch (($flag_bytes & 0x0006) >> 1) {
rlm@3: case 0:
rlm@3: $parsed_flags['compression_speed'] = 'normal';
rlm@3: break;
rlm@3: case 1:
rlm@3: $parsed_flags['compression_speed'] = 'maximum';
rlm@3: break;
rlm@3: case 2:
rlm@3: $parsed_flags['compression_speed'] = 'fast';
rlm@3: break;
rlm@3: case 3:
rlm@3: $parsed_flags['compression_speed'] = 'superfast';
rlm@3: break;
rlm@3: }
rlm@3: break;
rlm@3: }
rlm@3: $parsed_flags['data_descriptor_used'] = (bool)($flag_bytes & 0x0008);
rlm@3:
rlm@3: return $parsed_flags;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: public static function ZIPversionOSLookup($index) {
rlm@3:
rlm@3: static $lookup = array (
rlm@3: 0 => 'MS-DOS and OS/2 (FAT / VFAT / FAT32 file systems)',
rlm@3: 1 => 'Amiga',
rlm@3: 2 => 'OpenVMS',
rlm@3: 3 => 'Unix',
rlm@3: 4 => 'VM/CMS',
rlm@3: 5 => 'Atari ST',
rlm@3: 6 => 'OS/2 H.P.F.S.',
rlm@3: 7 => 'Macintosh',
rlm@3: 8 => 'Z-System',
rlm@3: 9 => 'CP/M',
rlm@3: 10 => 'Windows NTFS',
rlm@3: 11 => 'MVS',
rlm@3: 12 => 'VSE',
rlm@3: 13 => 'Acorn Risc',
rlm@3: 14 => 'VFAT',
rlm@3: 15 => 'Alternate MVS',
rlm@3: 16 => 'BeOS',
rlm@3: 17 => 'Tandem'
rlm@3: );
rlm@3: return (isset($lookup[$index]) ? $lookup[$index] : '[unknown]');
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: public static function ZIPcompressionMethodLookup($index) {
rlm@3:
rlm@3: static $lookup = array (
rlm@3: 0 => 'store',
rlm@3: 1 => 'shrink',
rlm@3: 2 => 'reduce-1',
rlm@3: 3 => 'reduce-2',
rlm@3: 4 => 'reduce-3',
rlm@3: 5 => 'reduce-4',
rlm@3: 6 => 'implode',
rlm@3: 7 => 'tokenize',
rlm@3: 8 => 'deflate',
rlm@3: 9 => 'deflate64',
rlm@3: 10 => 'PKWARE Date Compression Library Imploding'
rlm@3: );
rlm@3: return (isset($lookup[$index]) ? $lookup[$index] : '[unknown]');
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: public static function DOStime2UNIXtime($DOSdate, $DOStime) {
rlm@3:
rlm@3: /*
rlm@3: // wFatDate
rlm@3: // Specifies the MS-DOS date. The date is a packed 16-bit value with the following format:
rlm@3: // Bits Contents
rlm@3: // 0-4 Day of the month (1-31)
rlm@3: // 5-8 Month (1 = January, 2 = February, and so on)
rlm@3: // 9-15 Year offset from 1980 (add 1980 to get actual year)
rlm@3:
rlm@3: $UNIXday = ($DOSdate & 0x001F);
rlm@3: $UNIXmonth = (($DOSdate & 0x01E0) >> 5);
rlm@3: $UNIXyear = (($DOSdate & 0xFE00) >> 9) + 1980;
rlm@3:
rlm@3: // wFatTime
rlm@3: // Specifies the MS-DOS time. The time is a packed 16-bit value with the following format:
rlm@3: // Bits Contents
rlm@3: // 0-4 Second divided by 2
rlm@3: // 5-10 Minute (0-59)
rlm@3: // 11-15 Hour (0-23 on a 24-hour clock)
rlm@3:
rlm@3: $UNIXsecond = ($DOStime & 0x001F) * 2;
rlm@3: $UNIXminute = (($DOStime & 0x07E0) >> 5);
rlm@3: $UNIXhour = (($DOStime & 0xF800) >> 11);
rlm@3:
rlm@3: return gmmktime($UNIXhour, $UNIXminute, $UNIXsecond, $UNIXmonth, $UNIXday, $UNIXyear);
rlm@3: */
rlm@3: return gmmktime(($DOStime & 0xF800) >> 11, ($DOStime & 0x07E0) >> 5, ($DOStime & 0x001F) * 2, ($DOSdate & 0x01E0) >> 5, $DOSdate & 0x001F, (($DOSdate & 0xFE00) >> 9) + 1980);
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: public static function array_merge_clobber($array1, $array2) {
rlm@3:
rlm@3: // written by kcØhireability*com
rlm@3: // taken from http://www.php.net/manual/en/function.array-merge-recursive.php
rlm@3:
rlm@3: if (!is_array($array1) || !is_array($array2)) {
rlm@3: return false;
rlm@3: }
rlm@3:
rlm@3: $newarray = $array1;
rlm@3: foreach ($array2 as $key => $val) {
rlm@3: if (is_array($val) && isset($newarray[$key]) && is_array($newarray[$key])) {
rlm@3: $newarray[$key] = getid3_zip::array_merge_clobber($newarray[$key], $val);
rlm@3: } else {
rlm@3: $newarray[$key] = $val;
rlm@3: }
rlm@3: }
rlm@3: return $newarray;
rlm@3: }
rlm@3:
rlm@3:
rlm@3:
rlm@3: public static function CreateDeepArray($array_path, $separator, $value) {
rlm@3:
rlm@3: // assigns $value to a nested array path:
rlm@3: // $foo = getid3_lib::CreateDeepArray('/path/to/my', '/', 'file.txt')
rlm@3: // is the same as:
rlm@3: // $foo = array ('path'=>array('to'=>'array('my'=>array('file.txt'))));
rlm@3: // or
rlm@3: // $foo['path']['to']['my'] = 'file.txt';
rlm@3:
rlm@3: while ($array_path{0} == $separator) {
rlm@3: $array_path = substr($array_path, 1);
rlm@3: }
rlm@3: if (($pos = strpos($array_path, $separator)) !== false) {
rlm@3: return array (substr($array_path, 0, $pos) => getid3_zip::CreateDeepArray(substr($array_path, $pos + 1), $separator, $value));
rlm@3: }
rlm@3:
rlm@3: return array ($array_path => $value);
rlm@3: }
rlm@3:
rlm@3: }
rlm@3:
rlm@3:
rlm@3: ?>