How to extract a zip file from PHP to a specified folder _php tips

This article illustrates how PHP extracts a zip file to a specified folder. Share to everyone for your reference, specific as follows:

/** * Function: Extract zip Format files * author:friker * date:2015-15-14 * reference:http://php.net/manual/zh/ref.zip.php * All Rights reserved:wujiangwei123@126.com */class unzip{Public function __construct () {//init code here ... Heade
  R ("Content-type:text/html;charset=utf8"); /** * Extract files to specified directory * * @param string Zip compressed file path * @param string extract the destination of the file * @param boolean to create the target text with the name of the compressed file Folder * @param Boolean overrides files that already exist * * @return Boolean returns success or failure/Public function unzip ($src _file, $dest _dir=fals E, $create _zip_name_dir=true, $overwrite =true) {if ($zip = Zip_open ($src _file)) {if ($zip) {$splitter = ($crea Te_zip_name_dir = = True)?
      "." : "/"; if ($dest _dir = False) {$dest _dir = substr ($src _file, 0, Strrpos ($src _file, $splitter)). "
      /";
       //If there is no create target decompression directory $this->create_dirs ($dest _dir); Extract per file while ($zip _entry = Zip_read ($zip)) {//File not in root $pos _last_slash = Strrpos (zip_enTry_name ($zip _entry), "/"); if ($pos _last_slash!== false) {//Create directory at end with/$this->create_dirs ($dest _dir.substr (zip_entry_na
          Me ($zip _entry), 0, $pos _last_slash+1)); //Open Package if (Zip_entry_open ($zip, $zip _entry, "R")) {//filename saved on disk $file _name = $
            Dest_dir.zip_entry_name ($zip _entry);
              Check to see if the file needs to overwrite if ($overwrite = = True | | $overwrite = = False &&!is_file ($file _name)) {
              Read the contents of the compressed file $fstream = Zip_entry_read ($zip _entry, zip_entry_filesize ($zip _entry));
              @file_put_contents ($file _name, $fstream);
              Set Permissions chmod ($file _name, 0777); echo "Save:" $file _name. "
            <br/> ";
          }//Close the entrance zip_entry_close ($zip _entry);
      }///Turn off Compression pack zip_close ($zip);
    }}else{return false;
  return true;
  }/** * Create directory * *Public Function Create_dirs ($path) {if (!is_dir ($path)) {$directory _path = "";
     $directories = Explode ("/", $path);
     Array_pop ($directories); foreach ($directories as $directory) {$directory _path. = $directory.
       /";
         if (!is_dir ($directory _path)) {mkdir ($directory _path);
       chmod ($directory _path, 0777);
 }}}/* using: $z = new Unzip ();
$z->unzip ("./bootstrap-3.3.4.zip", './unzipres/', true, false);

 */

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