A simple script that downloads and installs phpMyAdmin in its root location

readme.md

I really don't recommend using this in production environments. There are potential issues with this script that could cause some damage.

update.php

<?php
error_reporting(E_ALL);
ini_set('max_execution_time', 300);
ini_set('display_errors', 1);

function delete_files($target) {
    if(is_dir($target)){
        $files = glob( $target . '*', GLOB_MARK ); //GLOB_MARK adds a slash to directories returned

        foreach( $files as $file )
        {
            delete_files( $file );
        }

        @rmdir( $target );
    } elseif(is_file($target)) {
        @unlink( $target );
    }
}
function recurse_move($src, $dst) {
  $dir = opendir($src);
  // sssssh. it'll be ok.
  @mkdir($dst);
  while( ( $file = readdir($dir) ) !== false ) {
    if (( $file != '.' ) && ( $file != '..' )) {
      if ( is_dir($src . '/' . $file) ) {
        // ich bin ein directory
        recurse_move($src . '/' . $file, $dst . '/' . $file);
      } else {
        copy($src . '/' . $file, $dst . '/' . $file);
        unlink($src . '/' . $file);
      }
    }
  }
  closedir($dir);
  // Your services are no longer required.
  rmdir($src);
}
function tempdir() {
    $tempfile=tempnam(sys_get_temp_dir(),'');
    // you might want to reconsider this line when using this snippet.
    // it "could" clash with an existing directory and this line will
    // try to delete the existing one. Handle with caution.
    if (file_exists($tempfile)) { unlink($tempfile); }
    mkdir($tempfile);
    if (is_dir($tempfile)) { return $tempfile; }
}
$tempPath = tempdir();
$storage_path = $tempPath.'/pma';
mkdir($storage_path);
if(!is_dir($storage_path)){
  header("HTTP/1.1 500 Internal Server Error");
  echo "Unable to create temp dir. ";
  die();
}
//echo $storage_path;
$latest = 'https://www.phpmyadmin.net/downloads/phpMyAdmin-latest-english.tar.gz';
$archive = $tempPath."/pma.tar.gz";

file_put_contents($archive, fopen($latest, 'r'));

$phar = new \PharData($archive);
$phar->extractTo($storage_path, null, true);

$paths = glob($storage_path.'/phpMyAdmin*',GLOB_ONLYDIR);
if(count($paths)==1){
  recurse_move($paths[0], $_SERVER['DOCUMENT_ROOT']);
} else {
  header("HTTP/1.1 500 Internal Server Error");
  echo "Couldn't find phpMyAdmin folder within archive. ";
  delete_files($tempPath);
  die();
}

delete_files($tempPath);
header("Location: /");
echo "Successfully updated. ";