PHP File Upload class Code _php tutorial

[PHP]/* Single file upload feature upload file configuration allowed suffix configuration allowed size get file suffix judge file suffix error */class uptool{protected $allowExt = ' jpg,jpeg,gif,bmp,png '; protected $maxSize = 1; 1M, protected $file = NULL in M units; Prepare to store upload file information protected $errno = 0; Error code protected $error = Array (0=> ' no error ', 1=> ' upload file size exceeds system limit ', 2=> ' upload file size exceeds Web Form limit ', 3=> ' file only partially uploaded ', 4=> ' No files are uploaded ', 6=> ' cannot find Temp folder ', 7=> ' file write Failed ', 8=> ' disallowed file suffix ', 9=> ' file size exceeds the allowable range of class ', 10=> ' Create directory failed ', 11=> ' file move failed ' ); /* Upload */Public function up ($key) {if (!isset ($_files[$key])) {return false;} $f = $_files[$key];//Verify that the upload is successful if ($f [' ER Ror ']) {$this->errno = $f [' ERROR ']; return false;}//get suffix $ext = $this->getext ($f [' name ']); Check the suffix if (! $this->isallowext ($ext)) {$this->errno = 8; return false;}//Check size if (! $this->isallowsize ($f [' size ') ]) {$this->errno = 9; return false;}//Create directory $dir = $this->mk_dir (); if ($dir = = False) {$this->errno = ten; return fasle;}//Generate random file name $newname = $this->randname (). '. '. $ext; $dir = $Dir. '/'. $newname; Move if (!move_uploaded_file ($f [' tmp_name '), $dir. '/'. $newname)} {$this->errno = one; return false;} return True;//str_replace (ROOT, ", $dir); The Public Function Geterr () {return $this->error[$this->errno];}/* Parm string $exts allowed suffixes to automatically add the allowed suffixes, and the size of the file */pub Lic function Setext ($exts) {$this->allowext = $exts;} public Function SetSize ($num) {$this->maxsize = $num;}/* String $file return string $ext suffix */protected function Getext ($file) {$tmp = explode ('. ', $file); return end ($TMP);} * String $ext file suffix return bool prevents case-sensitive issues */protected function Isallowext ($ext) {return In_array (Strtolower ($ext), explode (', ', Strtolower ($this->allowext))) ; }/* Check the size of the file */protected function isallowsize ($size) {return $size <= $this->maxsize *1024*1024;}//method to create a directory by date PR otected function Mk_dir () {$dir = ' images/'. Date (' ym/d '); if (Is_dir ($dir) | | mkdir ($DIR, 0777,true)) {return $dir;} el SE {return false;}} /* Generate random file name */protected functionRandname ($length = 6) {$str = ' abcdefghijkmnpqrstuvwxyz23456789 '; return substr (Str_shuffle ($STR), 0, $length);}} Form form [HTML] Another page called [PHP] require ('./uptool.class.php '); $uptool = new Uptool (); $uptool->setext (' Rar,doc '); $uptool->setsize (1); if ($uptool->up (' pic ')) {echo ' upload succeeded ';} else {echo ' failed '; Echo $uptool->geterr ();}

http://www.bkjia.com/PHPjc/477843.html www.bkjia.com true http://www.bkjia.com/PHPjc/477843.html techarticle [PHP]/* Single file upload feature upload file configuration allowed suffix configuration allowed size get file suffix judge file suffix error */class uptool{protected $allowExt = JP ...

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