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Unzip functie

Auteur: lucasvdh - 06 januari 2010 - 19:36 - Gekeurd door: Koen - Hits: 3082 - Aantal punten: (0 stemmen)




Even een simpele unzip functie gemaakt..
voorbeeldje van een implementatie staat er bij ;)

Plz let me know als er nog wat bugs in zitten..
lucas@hb-webdesign.nl

Code:
php code - Bekijk de code zonder highlighting - Klap code in 
  1. <?php
  2. /*
  3. #################################
  4. # AUTHOR:	Lucas vd have       #
  5. # VERSION:	v1.0                #
  6. # DATE:		06-01-10            #
  7. # WEBSITE:	www.hb-webdesign.nl #
  8. #################################
  9. */
  10.  
  11. // VOORBEELD ALS JE WIL UNZIPPEN AAN DE HAND VAN $_GET
  12. if(isset($_GET['unzip'])){
  13. 	$info = unzip($_GET['unzip'],"destinationFolder/");
  14. 	if(is_array($info)) {
  15. 		echo "Extracted successfully<br /><br />";
  16. 		echo "Folders:<br />";
  17. 		for($i=0; $i<count($info["folders"]); $i++){
  18. 			echo $info["folders"][$i]."<br />";
  19. 		}
  20. 		echo "<br />Files extracted:<br />";
  21. 		for($i=0; $i<count($info["files"]); $i++){
  22. 			echo $info["files"][$i]." - ".$info["size"][$i]." bytes<br />";
  23. 		}
  24. 	}
  25. 	else {
  26. 		echo "<font color='red'>Error : ".$info."</font><br />";
  27. 	}
  28. }
  29. // VOORBEELD
  30.  
  31.  
  32.  
  33. /*
  34. Function unzip
  35. Unzip a *.zip file and save files to server.
  36.  
  37. @param $file			path to *.zip file
  38. @param $destination		destination folder (not required)
  39.  
  40. @return array()			[files] 			//all files extracted
  41. 						[size]				//size of extracted file
  42. 						[compressionMethod]	//compressionmethod of file
  43. 						[folders]			//all folders extracted
  44. */
  45. function unzip($file,$destination = NULL)	
  46. {
  47. 	if(!is_dir($destination) && $destination!=NULL) // if the destination does not exist and is not NULL, return error
  48. 		return "Destination does not exist";
  49. 	if(!is_file($file)) // if the file does not exist return error
  50. 		return "File does not exist";
  51. 	$filetype = mime_content_type($file);
  52. 	if ($filetype=="application/zip") {
  53.  
  54. 		$zip = zip_open($file); // open zip
  55.  
  56. 		// initialize arrays for optional data
  57. 		$fileArray = array();
  58. 		$folderArray = array();
  59. 		$sizeArray = array();
  60. 		$compressionMethodArray = array();
  61.  
  62. 	    while ($zip_entry = zip_read($zip)) { // read entire zip
  63.  
  64. 			// initialize variables
  65. 	        $name = zip_entry_name($zip_entry);
  66. 	        $size = zip_entry_filesize($zip_entry);
  67. 	        $compressed_size = zip_entry_compressedsize($zip_entry);
  68. 	        $compressionMethod = zip_entry_compressionmethod($zip_entry);
  69.  
  70.  
  71. 	        if (zip_entry_open($zip, $zip_entry, "r")) {
  72. 	            $content = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry));
  73. 				$lastchar = $name[strlen($name)-1];
  74. 				if($lastchar=='/'){ // if $name is a dir, create a dir with permissions 0777
  75. 					if(@mkdir($destination.$name, 0777))
  76. 						array_push($folderArray,$name);
  77. 					else
  78. 						return "Unable to create directory"; // an error occurred
  79. 				}
  80. 				else { // if $name is NOT a dir, create file
  81. 					$f = fopen($destination.$name,'w'); // create file
  82. 					if(fwrite($f,$content)) { // write content to file
  83. 						array_push($fileArray,$name); // push filename to array
  84. 						array_push($sizeArray,$size); // push filesize to array
  85. 						array_push($compressionMethodArray,$compressionMethod); // push compressionMethod to array
  86. 					}
  87. 					else {
  88. 						return "Unable to write file"; // an error occurred
  89. 					}
  90. 					fclose($f); // close file
  91. 	            	zip_entry_close($zip_entry);
  92. 				}
  93. 	        }
  94. 	    }
  95. 		zip_close($zip); // close zip
  96.  
  97. 		for($i=0;$i<count($folderArray); $i++){
  98. 			chmod($folderArray[$i],0755); // set chmod back to 0755 so it can't be edited by everyone.
  99. 		}
  100. 		// everything is completed, return the array with optional data
  101. 		return array("files" => $fileArray, "folders" => $folderArray, "size" => $sizeArray, "compressionMethod" => $compressionMethodArray);
  102. 	}
  103. 	else {
  104. 		return "Unable to extract file (not a *.zip file)."; // an error occurred
  105. 	}
  106. }
  107. ?>
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