php根據文件頭驗證文件類型的程式碼

/**
* 檢證文件類型類別
*
* @author Silver
* by bbs.it-home.org
*/
class FileTypeValidation
{
// 檔案類型，不同的頭資訊
private static $_fileFormats = Array(
'jp2' => '0000000C6A502020', '3gp' => '0000002066747970',
'355' 'm4a' => '00000020667479704D3441',
'ico' => '00000100',
'spl' => '00000100',
'cura =1000 ' => '00000200',
'wb2' => '00000200',
'wk1' => '0000020006040600',
'wk3' => '0001140600, > '00001A0002100400',
'wk5' => '00001A0002100400',
'123' => '00001A00051004', ' 010F0000',
'tr1' => '0110',
'rgb' => '01DA01010003',
'drw' => '07',
'dss' => '0264drw' => '07',
'dss' => '02647333' ,
'dat' => 'A90D000000000000',
'db3' => '03',
'qph' => '03000000',
'adx' => '8000044' 🎜>'db4' => '04',
'n' => 'FFFE0000',
'a' => 'FFFE0000',
'skf' => '07534B46',
 'dtd' => '0764743264647464',
'db' => 'D0CF11E0A1B11AE1',
'pcx' => '0A050101',
'mp' => '0CEDED',d. ' => 'D0CF11E0A1B11AE1',
'nri' => '0E4E65726F49534F',
'wks' => 'FF00020004040554',pf > '4E49544630',
'nsf' => '4E45534D1A01',
'arc' => '41724301',
'pak' => '5041434B',
 ' 1A350100',
'mkv' => '1A45DFA393428288',
'ws' => '1D7D',
'gz' => '1F8B08',
 'tar.z' 1FA0',
'ain' => '2112',
'lib' => '213C617263683E0A',
'msi' => 'D0CF11E0A1B11AE1',
'4vmd ,
'dsp' => '23204D6963726F73',
'amr' => '2321414D52',
'hdr' => '49536328',
's13'hdr' => '49536328',
's03'hdr' => '49536328','eps' => 'C5D0D3C6',
'pdf' => '25504446',
'fdf' => '25504446',
'hqx' => '28546869732 '2A2A2A2020496E73',
'ivr' => '2E524543',
'rm' => '2E524D46',
'rmvb' => '2E524466' ' => '2E7261FD00',
'au' => '646E732E',
'cat' => '30',
'evt' => '300000004C664C65',
' > '3026B2758E66CF11',
'wma' => '3026B2758E66CF11',
'wmv' => '3026B2758E66CF11',
'w'🎜> 'w 377ABCAF271C',
'psd' => '38425053',
'sle' => '414376',
'asx' => '3C',
'xdr' => '3C' ,
'dci' => '3C21646F63747970',
'manifest' => '3C3F786D6C2076657273696F6E3D',
'xml7636 30223F3E',
'msc' => 'D0CF11E0A1B11AE1',
'fm' => '3C4D616B65724669',
'mif' => '56657273696F6E20',
'gid' => '4C4E0200', '41433130',
'syw' => '414D594F',
'abi' => '414F4C494E444558',
'aby' => '414F444558',
'aby' => '414F4444447 '414F4C2046656564',
'idx' => '5000000020000000',
'ind' => '414F4C494458',
'ind' => '414F4C494458',
'pfc' = '414F4C494458',
'pfc' = '414F4C494458',
'pfc' = '414305,4643')> > '414F4C564D313030',
'vcf' => '424547494E3A5643',
'bin' => '424C4932323351',
'bdi' = ' 424D',
'prc' => '424F4F4B4D4F4249',
'bz2' => '425A68',
'tar.bz2' => '425A68', 'tbz>' 425A68',
'tb2' => '425A68',
'rtd' => '43232B44A4434DA5',
'cbd' => '434246494C45','clb' => '434F4D2B',
'cpt' => '43505446494C45',
'cru' => '43525553482076',
'4446 🎜>'ctf' => '436174616C6F6720',
'dms' => '444D5321',
'adf' => '5245564E554D3A2C', 'ifo' => '445644',
'cdr' => '52494646',
'vcd' => '454E545259564344',
'mdi' => '4550',' ' => '4C5646090D0AFF00',
'evtx' => '456C6646696C6500',
'qbb' => '458600000600',
'qbb' => '458600000600',
'c5',43450,430,430,4300,43'> > '464C56',
'aiff' => '464F524D00',
'eml' => '582D',
'gif' => '47494638',
'pat' => ' 47504154',
'gx2' => '475832',
'sh3' => '4848474231',
'tif' => '4D4D002B',
'tiff' ,
'mp3' => '494433',
'koz' => '49443303000000',
'crw' => '49491A0000004845',
 '49491A0000004845',
'lit' => '49544F4C49544C53',
'chi' => '49545346',
'chm' => '49545346',
'罐子' => '5F27A889',
'jg' =>; '4A47040E000000',
'克格勃' => '4B47425F61726368',
'shd'🎜>' lnk'=>; '4C00000001140200',
'obj'=>; '80',
'pdb'=>; 'ACED000573720012',
'mar' =>ACED00573720012',
'mar' =>>; >'dmp' =>; '504147454455',
'hdmp'=> '4D444D5093A7',
'mls' => '4D563243',
'mmf' =>; >'nvram'=>; '4D52564E',
'ppz' => '4D534346',
'snp' => '4D534346',
'tlb' => '4D53465402000 'dvf' =>; '4D535F564F494345',
'msv'=>; '4D535F564F494345',
'mid' => '4D546864',
'm
 'dsn' => '4D56',
'com' =>; 'EB',
'dll' =>; '4D5A',
'drv' => '4D5A',
 'exe' =>; '4D5A',
'pif' =>; '4D5A',
'qts' =>; '4D5A',
'qtx'=>; '4D5A',
'sys'=>; 'FFFFFFFF',
'acm' =>; '4D5A',
'斧頭' => '4D5A900003000000',
'cpl' =>; 'DCDC',
'fon' =>; '4D5A',
'ocx' =>; '4D5A',
'olb' => '4D5A',
'scr' =>; '4D5A' ,
'vbx'=>; '4D5A',
'vxd'=>; '4D5A',
'386' => '4D5A',
'api' => '4D5A900003000000' ,
'flt' => '76323030332E3130',
'zap' => '4D5A90000300000004000000FFFF',
'sln' =>'jnt'=>; '4E422A00' ,
'jtp' =>; '4E422A00',
'鱈魚' => '4E616D653A20',
'dbf' =>; '4F504C4461746162','ogg'=> '4F67675300020000',
'ogv' => '4F67675300020000',
'ogx' => '4F676753002000,400,400'>
'pgm' =>; '50350A',
'pax'=> '504158',
'pgd'=>; '504750644D41494E',
'img' =AEB3C90
'zip' =>; '504B0304140000',
'docx'=>; '504B030414000600',
'pptx'=>; '504B030600',
'pptx'=>; '504B03041400600'> 00 ',
'kwd'=>; '504B0304',
'odt'=>; '504B0304',
'odp'=>; '504B0304',
'奧特' => '504B0304',
'sxc'=>; '504B0304',
'sxd'=> '504B0304',
'sxi'=>; '504B0304',
'sxi'=>; '504B0304','sx '504B0304',
'wmz'=> '504B0304',
'xpi'=>; '504B0304',
'xps' => '504B0304',
'x
'x'pt' '5850434F4D0A5479',
'grp' =>; '504D4343',
'qemu'=>; '514649',
'abd' => '5157205655720565572> '5157205665722E20',
'reg'=> 'FFFE',
'sud' =>; '52454745444954',
'ani' =>; '52494646','ds4' => '52494646',
'4xm' => '52494646',
'avi' => '52494646',
'cda' ='avi' => '52494646',
'cda' =646464646 ',
'qcp'=> '52494646',
'rmi' => '52494646',
'wav' => '52494646',
'帽子' => '58435000'
'rar' => '526172211A0700',
'ast' =>; '5343486C',
'shw'=>; '53484F57',
'cpi'=4546464> ,
'坐' => '5374756666497420',
'sdr' => '534D415254445257',
'cnv' =>; '53514CC5257',
'cnv' =>; '53514CC4F4344E560 ',
'訊息' => 'E310000100000000',
'uce' =>; '55434558',
'ufa'=>; '554641C6D2C1',
'ufa'=>; '554641C6D2C1',
'pch' ,
'ctl' => '56455253494F4E20',
'ws2' =>; '575332303030',
'lwp' =>; '576F726450726F',dr. ,
'動物園' => '5A4F4F20',
'ecf' => '5B47656E6572616C',
'vcw' => '5B4D535643',
'dun' => '5B4D535643',
'dun'' => '56506,8
'山姆' => '5B7665725D',
'cpx' => '5B57696E646F7773',
'cfg' =>; '5B666C7473696D2E',
'cbk'=>; '5F434153455F',
'arj' =>; '60EA',
'vhd'=>; '636F6E6563746978',; '636F6E6563746978',; '636F6E6563746978',; '636F6E6563746978','c0' ,
'p10' =>; '64000000',
'dex'=>; '6465780A30303900',
'dsw'=>; '64737766696C65','dbb' => '6C33336C',
'acd' =>; '72696666',
'內存' => '727473703A2F2F',
'dmg'=> '78 ',
'lgc'=>; '7B0D0A6F20',
'lgd' => '7B0D0A6F20',
'pwi' =>; '7B5C707769',
'pwi' =>; '7B5C707769',
'Brtf' =>; '7B5C707769',
'Brtf'=746372746312746 ',
'psp' =>; '7E424B00',
'wab' => '9CCBCB8D1375D211',
'wpf' =>; '81CDAB',
'png' =>; 89504E470D0A1A0A',
'aw' =>; '8A0109000000E108',
'hap'=> '91334846',
'skr'=>; '99',
'pkr' =>; '9901',
'qdf'=>; 'AC9EBD8F0000',
'pwl' =>; 'E3828596',
'dcx' = > 'B168DE3A',
'tib' =>; 'B46E6844',
'acs' =>; 'C3ABCDAB',
'lbk' =>; 'C8007900',
'class' =>; 'CAFEBABE',
'dbx' => 'CFAD12FE',
'點'=> 'D0CF11E0A1B11AE1',
'pps' => 'D0CF11E0A1B11AE1',
 > 'D0CF11E0A1B11AE1',
'xla' =>; 'D0CF11E0A1B11AE1',
'xls'=> 'D0CF11E0A1B11AE1',
'wiz' =>; 'D0CF11E0A1B11AE1',
'ac_' => 'D0CF11E0A1B11AE1',
'adp'=>; 'D0CF11E0A1B11AE1',
'四月' =>; 'D0CF11E0A1B11AE1',
'mtw' =>; 'D0CF11E0A1B11AE1',
'opt'=>; 'D0CF11E0A1B11AE1',
'pub' =>; 'D0CF11E0A1B11AE1',
'rvt'=> 'D0CF11E0A1B11AE1',
'sou' =>; 'D0CF11E0A1B11AE1',
'spo' => 'D0CF11E0A1B11AE1',
'vsd'=> 'D0CF11E0A1B11AE1',
'wps' = 'D01 00 ',
'arl' =>; 'D42A',
'aut' => 'D42A',
'wmf' =>; 'D7CDC69A',
'efx' =>; 'DCFE',
'一' => 'E4525C7B8CD8A74D',
'rpm' => 'EDABEEDB',
'gho' =>; 'FEEF',
'ghs' =>; 'FEEF',
'wp' =>; 'FF575043',
'wpd'=>; 'FF575043',
'wpg'=>; 'FF575043',
'wpp'=>; 'FF575043',
'wp5'=> 'FF575043',
'wp6'=>; 'FF575043',
'jfif'=>; 'FFD8FF',
'jpe' => 'FFD8FF',
'jpeg' =>; 'FFD8FF',
'jpg' => 'FFD8FF',
'mof' =>; 'FFFE23006C006900',
'ipa' =>; '504B03040A',
);
/**
* 檢查檔案類型
*
* @param string $filePath 檔案路徑
* @param string $fileExt 檔案副檔名
*
* @return boolean
*/
公共靜態函數驗證($filePath, $fileExt)
{
//檔案格式未知
if (!isset(self::$_fileFormats[$fileExt]))
{
回傳false;
}
$length = strlen(self::$_fileFormats[$fileExt]);
$bin = self::_readFile($filePath, $length);
$fileHead = @unpack("H{$length}", $bin);
//判斷檔案頭
if ( strtolower(self::$_fileFormats[$fileExt]) == $fileHead[1])
{
回傳true;
}
回傳false;
}
/****
* 讀取檔案內容
*
* @param string $filePath 檔案路徑
* @param integer $size
*
* @return string
*/
 真空函數_readFile($filePath, $size)
{
$file = fopen($filePath, "rb");
$bin = fread($file, $ size);
fclose($file);
return $bin;
}
}
?>

呼叫範例：

require './class_filetypevalidation.php';
//路徑檔
$Path = "DD.php';
//路徑檔
$Path = "DD./file test.png";
$x = FileTypeValidation::validation($filePath, 'zip');
var_dump($x);