PHP to save binary raw data as a picture of the program code, _php tutorial

PHP saves the binary raw data as a picture of the program code,

Get post binary raw data, choose a generated path and the name of the picture, then write, the idea is obvious

  Generate picture   $imgDir = ' uploadimg/';   $filename = "NISSANGCJ". $mobile. ". JPG ";////The name of the image to be generated      $xmlstr = $GLOBALS [Http_raw_post_data];   if (empty ($xmlstr)) {     $xmlstr = file_get_contents (' php://input ');   }       $jpg = $xmlstr;//Get post the binary raw data   if (empty ($jpg))   {     echo ' nostream ';     Exit ();   }      $file = fopen ("./". $imgDir. $filename, "w");//Open file Ready   to write Fwrite ($file, $jpg);//write   fclose ($file);//Close      $ FilePath = './'. $imgDir. $filename;      If the picture exists   if (!file_exists ($filePath))   {     echo ' createfail ';     Exit ();   

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