[PHP] SEARCH FOR TEXT iN ONE FiLE

<?php
header('Content-Type: text/plain');
/*   _____ _____ _ _____ _____         _____ _____ _____ _____
 ___|     | __  |_|  _  |_   _|___ ___|_   _|   __|  _  |     |
|_ -|   --|    -| |   __| | | |- _|___| | | |   __|     | | | |
|___|_____|__|__|_|__|    |_| |___|     |_| |_____|__|__|_|_|_|
|s C R i P T z - T E A M . i N F O|████████████████████████████

$file -> in what file to search for $searchfor
$searchfor -> what to search in $file
*/
$file      = "";
$searchfor = "";

$contents = file_get_contents($file);
$pattern  = preg_quote($searchfor, '/');
$pattern  = "/^.*$pattern.*\$/m";
if (preg_match_all($pattern, $contents, $matches)) {
    echo "Found matches:\n";
    echo implode("\n", $matches[0]);
} else {
    echo "No matches found";
}
?>