PHP validates file type code based on file header

/** * Type of document to be checked * * @author Silver * by bbs.it-home.org */ Class Filetypevalidation { File types, different header information private static $_fileformats = Array ( ' JP2 ' = ' 0000000c6a502020 ', ' 3gp ' = ' 0000002066747970 ', ' 3gp5 ' = ' 0000001866747970 ', ' M4A ' = ' 00000020667479704d3441 ', ' ico ' = ' 00000100 ', ' SPL ' = ' 00000100 ', ' VOB ' = ' 000001BA ', ' cur ' = ' 00000200 ', ' wb2 ' = ' 00000200 ', ' WK1 ' = ' 0000020006040600 ', ' WK3 ' = ' 00001a0000100400 ', ' Wk4 ' = ' 00001a0002100400 ', ' Wk5 ' = ' 00001a0002100400 ', ' 123 ' = ' 00001a00051004 ', ' Qxd ' = ' 00004d4d585052 ', ' mdf ' = ' 010f0000 ', ' TR1 ' = ' 0110 ', ' RGB ' = ' 01da01010003 ', ' DRW ' = ' 07 ', ' DSS ' = ' 02647373 ', ' Dat ' = ' a90d000000000000 ', ' Db3 ' = ' 03 ', ' Qph ' = ' 03000000 ', ' ADX ' = ' 80000020031204 ', ' DB4 ' = ' 04 ', ' N ' = ' FFFE0000 ', ' A ' = ' FFFE0000 ', ' SKF ' = ' 07534b46 ', ' DTD ' = ' 0764743264647464 ', ' db ' = ' d0cf11e0a1b11ae1 ', ' PCX ' = ' 0a050101 ', ' MP ' = ' 0CED ', ' Doc ' = ' d0cf11e0a1b11ae1 ', ' NRI ' = ' 0e4e65726f49534f ', ' wks ' = ' FF00020004040554 ', ' PF ' = ' 1100000053434341 ', ' ntf ' = ' 4E49544630 ', ' NSF ' = ' 4e45534d1a01 ', ' Arc ' = ' 41724301 ', ' Pak ' = ' 5041434B ', ' ETH ' = ' 1a350100 ', ' mkv ' = ' 1a45dfa393428288 ', ' ws ' = ' 1d7d ', ' GZ ' = ' 1f8b08 ', ' Tar.z ' = ' 1fa0 ', ' Ain ' = ' 2112 ', ' lib ' = ' 213c617263683e0a ', ' msi ' = ' d0cf11e0a1b11ae1 ', ' VMDK ' = ' 4b444d ', ' DSP ' = ' 23204d6963726f73 ', ' Amr ' = ' 2321414d52 ', ' HDR ' = ' 49536328 ', ' Sav ' = ' 24464c3240282329 ', ' EPS ' = ' c5d0d3c6 ', ' PDF ' = ' 25504446 ', ' FDF ' = ' 25504446 ', ' hqx ' = ' 2854686973206669 ', ' Log ' = ' 2a2a2a2020496e73 ', ' IVR ' = ' 2E524543 ', ' rm ' = ' 2e524d46 ', ' rmvb ' = ' 2e524d46 ', ' ra ' = ' 2e7261fd00 ', ' Au ' = ' 646e732e ', ' Cat ' = ' 30 ', ' evt ' = ' 300000004c664c65 ', ' asf ' = ' 3026b2758e66cf11 ', ' wma ' = ' 3026b2758e66cf11 ', ' wmv ' = ' 3026b2758e66cf11 ', ' WRI ' = ' be000000ab ', ' 7z ' = ' 377abcaf271c ', ' PSD ' = ' 38425053 ', ' SLE ' = ' 414376 ', ' ASX ' = ' 3C ', ' XDR ' = ' 3C ', ' DCI ' = ' 3c21646f63747970 ', ' Manifest ' = ' 3c3f786d6c2076657273696f6e3d ', ' xml ' = ' 3c3f786d6c2076657273696f6e3d22312e30223f3e ', ' msc ' = ' D0CF11E0A1B11AE1 ', ' fm ' = ' 3c4d616b65724669 ', ' MIF ' = ' 56657273696f6e20 ', ' gid ' = ' 4c4e0200 ', ' hlp ' = ' 4c4e0200 ', ' dwg ' = ' 41433130 ', ' Syw ' = ' 414d594f ', ' Abi ' = ' 414f4c494e444558 ', ' Aby ' = ' 414f4c4442 ', ' Bag ' = ' 414f4c2046656564 ', ' idx ' = ' 5000000020000000 ', ' Ind ' = ' 414f4c494458 ', ' PFC ' = ' 414f4c564d313030 ', ' org ' = ' 414f4c564d313030 ', ' VCF ' = ' 424547494e3a5643 ', ' Bin ' = ' 424c4932323351 ', ' BMP ' = ' 424D ', ' Dib ' = ' 424D ', ' PRC ' = ' 424f4f4b4d4f4249 ', ' bz2 ' = ' 425a68 ', ' tar.bz2 ' = ' 425a68 ', ' tbz2 ' = ' 425a68 ', ' TB2 ' = ' 425a68 ', ' RTD ' = ' 43232b44a4434da5 ', ' CBD ' = ' 434246494c45 ', ' ISO ' = ' 4344303031 ', ' CLB ' = ' 434f4d2b ', ' CPT ' = ' 43505446494c45 ', ' Cru ' = ' 43525553482076 ', ' swf ' = ' 465753 ', ' CTF ' = ' 436174616c6f6720 ', ' DMS ' = ' 444d5321 ', ' ADF ' = ' 5245564e554d3a2c ', ' DVR ' = ' 445644 ', ' Ifo ' = ' 445644 ', ' cdr ' = ' 52494646 ', ' VCD ' = ' 454E545259564344 ', ' MDI ' = ' 4550 ', ' E01 ' = ' 4c5646090d0aff00 ', ' evtx ' = ' 456c6646696c6500 ', ' Qbb ' = ' 458600000600 ', ' CPE ' = ' 464158434f564552 ', ' flv ' = ' 464c56 ', ' Aiff ' = ' 464f524d00 ', ' eml ' = ' 582D ', ' gif ' = ' 47494638 ', ' Pat ' = ' 47504154 ', ' gx2 ' = ' 475832 ', ' SH3 ' = ' 4848474231 ', ' tif ' = ' 4d4d002b ', ' TIFF ' = ' 4d4d002b ', ' mp3 ' = ' 494433 ', ' Koz ' = ' 49443303000000 ', ' CRW ' = ' 49491a0000004845 ', ' Cab ' = ' 4d534346 ', ' Lit ' = ' 49544f4c49544c53 ', ' Chi ' = ' 49545346 ', ' chm ' = ' 49545346 ', ' Jar ' = ' 5f27a889 ', ' JG ' = ' 4a47040e000000 ', ' KGB ' = ' 4b47425f61726368 ', ' shd ' = ' 68490000 ', ' lnk ' = ' 4c00000001140200 ', ' obj ' = ' 80 ', ' pdb ' = ' ACED000573720012 ', ' Mar ' = ' 4d41723000 ', ' DMP ' = ' 504147454455 ', ' Hdmp ' = ' 4d444d5093a7 ', ' MLS ' = ' 4d563243 ', ' MMF ' = ' 4d4d4d440000 ', ' NVRAM ' = ' 4d52564e ', ' Ppz ' = ' 4d534346 ', ' SNP ' = ' 4d534346 ', ' tlb ' = ' 4d53465402000100 ', ' DVF ' = ' 4d535f564f494345 ', ' msv ' = ' 4d535f564f494345 ', ' Mid ' = ' 4d546864 ', ' midi ' = ' 4d546864 ', ' DSN ' = ' 4D56 ', ' com ' = ' EB ', ' dll ' = ' 4d5a ', ' DRV ' = ' 4d5a ', ' exe ' = ' 4d5a ', ' pif ' = ' 4d5a ', ' Qts ' = ' 4d5a ', ' Qtx ' = ' 4d5a ', ' sys ' = ' FFFFFFFF ', ' ACM ' = ' 4d5a ', ' Ax ' = ' 4d5a900003000000 ', ' cpl ' = ' DCDC ', ' fon ' = ' 4d5a ', ' ocx ' = ' 4d5a ', ' OLB ' = ' 4d5a ', ' SCR ' = ' 4d5a ', ' VBX ' = ' 4d5a ', ' VxD ' = ' 4d5a ', ' 386 ' = ' 4d5a ', ' API ' = ' 4d5a900003000000 ', ' Flt ' = ' 76323030332E3130 ', ' Zap ' = ' 4d5a90000300000004000000ffff ', ' SLn ' = ' 4d6963726f736f66742056697375616c ', ' jnt ' = ' 4e422a00 ', ' JtP ' = ' 4e422a00 ', ' Cod ' = ' 4e616d653a20 ', ' DBF ' = ' 4f504c4461746162 ', ' OGA ' = ' 4f67675300020000 ', ' Ogg ' = ' 4f67675300020000 ', ' OGV ' = ' 4f67675300020000 ', ' OGX ' = ' 4f67675300020000 ', ' Dw4 ' = ' 4f7b ', ' PGM ' = ' 50350A ', ' pax ' = ' 504158 ', ' PGD ' = ' 504750644d41494e ', ' img ' = ' eb3c902a ', ' Zip ' = ' 504b0304140000 ', ' docx ' = ' 504b030414000600 ', ' pptx ' = ' 504b030414000600 ', ' xlsx ' = ' 504b030414000600 ', ' KWD ' = ' 504b0304 ', ' Odt ' = ' 504b0304 ', ' ODP ' = ' 504b0304 ', ' Ott ' = ' 504b0304 ', ' SxC ' = ' 504b0304 ', ' Sxd ' = ' 504b0304 ', ' SXi ' = ' 504b0304 ', ' Sxw ' = ' 504b0304 ', ' wmz ' = ' 504b0304 ', ' Xpi ' = ' 504b0304 ', ' xps ' = ' 504b0304 ', ' XPT ' = ' 5850434f4d0a5479 ', ' grp ' = ' 504d4343 ', ' Qemu ' = ' 514649 ', ' Abd ' = ' 5157205665722E20 ', ' QSD ' = ' 5157205665722E20 ', ' reg ' = ' FFFE ', ' Sud ' = ' 52454745444954 ', ' ani ' = ' 52494646 ', ' CMX ' = ' 52494646 ', ' Ds4 ' = ' 52494646 ', ' 4xm ' = ' 52494646 ', ' avi ' = ' 52494646 ', ' CDA ' = ' 52494646 ', ' QCP ' = ' 52494646 ', ' rmi ' = ' 52494646 ', ' wav ' = ' 52494646 ', ' Cap ' = ' 58435000 ', ' rar ' = ' 526172211a0700 ', ' AST ' = ' 5343486C ', ' SHW ' = ' 53484f57 ', ' CPI ' = ' ff464f4e54 ', ' Sit ' = ' 5374756666497420 ', ' SDR ' = ' 534d415254445257 ', ' Cnv ' = ' 53514c4f434f4e56 ', ' cal ' = ' b5a2b0b3b3b0a5b5 ', ' Info ' = ' E310000100000000 ', ' UCE ' = ' 55434558 ', ' Ufa ' = ' 554641c6d2c1 ', ' pch ' = ' 564350434830 ', ' ctl ' = ' 56455253494f4e20 ', ' Ws2 ' = ' 575332303030 ', ' LWP ' = ' 576f726450726f ', ' BDR ' = ' 5854 ', ' Zoo ' = ' 5a4f4f20 ', ' ECF ' = ' 5b47656e6572616c ', ' VCW ' = ' 5b4d535643 ', ' Dun ' = ' 5b50686f6e655d ', ' Sam ' = ' 5b7665725d ', ' CPX ' = ' 5b57696e646f7773 ', ' cfg ' = ' 5b666c7473696d2e ', ' cas ' = ' 5f434153455f ', ' CBK ' = ' 5f434153455f ', ' Arj ' = ' 60EA ', ' vhd ' = ' 636f6e6563746978 ', ' csh ' = ' 6375736800000002 ', ' P10 ' = ' 64000000 ', ' Dex ' = ' 6465780a30303900 ', ' DSW ' = ' 64737766696c65 ', ' FLAC ' = ' 664c614300000022 ', ' DBB ' = ' 6c33336c ', ' ACD ' = ' 72696666 ', ' Ram ' = ' 727473703a2f2f ', ' DMG ' = ' 78 ', ' LGC ' = ' 7b0d0a6f20 ', ' LGD ' = ' 7b0d0a6f20 ', ' PWI ' = ' 7b5c707769 ', ' rtf ' = ' 7b5c72746631 ', ' PSP ' = ' 7e424b00 ', ' wab ' = ' 9ccbcb8d1375d211 ', ' WPF ' = ' 81CDAB ', ' png ' = ' 89504e470d0a1a0a ', ' AW ' = ' 8a0109000000e108 ', ' Hap ' = ' 91334846 ', ' SKr ' = ' 9501 ', ' GPG ' = ' 99 ', ' PKR ' = ' 9901 ', ' Qdf ' = ' ac9ebd8f0000 ', ' PWL ' = ' E3828596 ', ' DCX ' = ' b168de3a ', ' Tib ' = ' b46e6844 ', ' ACS ' = ' C3abcdab ', ' LBK ' = ' C8007900 ', ' Class ' = ' Cafebabe ', ' dbx ' = ' cfad12fe ', ' Dot ' = ' d0cf11e0a1b11ae1 ', ' pps ' = ' d0cf11e0a1b11ae1 ', ' ppt ' = ' d0cf11e0a1b11ae1 ', ' Xla ' = ' d0cf11e0a1b11ae1 ', ' xls ' = ' d0cf11e0a1b11ae1 ', ' Wiz ' = ' d0cf11e0a1b11ae1 ', ' Ac_ ' = ' d0cf11e0a1b11ae1 ', ' ADP ' = ' d0cf11e0a1b11ae1 ', ' Apr ' = ' d0cf11e0a1b11ae1 ', ' MTW ' = ' d0cf11e0a1b11ae1 ', ' Opt ' = ' d0cf11e0a1b11ae1 ', ' Pub ' = ' d0cf11e0a1b11ae1 ', ' rvt ' = ' d0cf11e0a1b11ae1 ', ' Sou ' = ' d0cf11e0a1b11ae1 ', ' Spo ' = ' d0cf11e0a1b11ae1 ', ' VSD ' = ' d0cf11e0a1b11ae1 ', ' wps ' = ' d0cf11e0a1b11ae1 ', ' Ftr ' = ' d20a0000 ', ' ARL ' = ' d42a ', ' aut ' = ' d42a ', ' wmf ' = ' d7cdc69a ', ' EFX ' = ' Dcfe ', ' One ' = ' 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 ', ); /** * Check File type * * @param string $filePath file path * @param string $fileExt file extension * * @return Boolean */ public static function validation ($filePath, $FILEEXT) { File format Unknown if (!isset (self::$_fileformats[$fileExt])) { return false; } $length = strlen (self::$_fileformats[$fileExt]); $bin = Self::_readfile ($filePath, $length); $fileHead = @unpack ("h{$length}", $bin); Judging the file header if (Strtolower (self::$_fileformats[$fileExt]) = = $fileHead [1]) { return true; } return false; } /** * Read File contents * * @param string $filePath file path * @param integer $size * * @return String */ Private Function _readfile ($filePath, $size) { $file = fopen ($filePath, "RB"); $bin = Fread ($file, $size); Fclose ($file); return $bin; } } ?> Copy Code Invocation Example: Require './class_filetypevalidation.php '; File path $filePath = "D:/test.png"; $x = Filetypevalidation::validation ($filePath, ' zip '); Var_dump ($x); ?> Copy Code

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