Trouble comparing the output from the scripts to the expected output about team-fury-1 HOT 5 CLOSED

<?php
    $names = array();
    $key_words = "Hello World, this is with HNGi7 ID using language for stage 2 task";

    foreach(glob("scripts/.js") as $filename){
        $output = exec("node $filename");
        echo $output;
        echo $key_words;

        if(preg_match('/{$key_words}/i', $output)){
            echo "pass";
            echo "";
        }else{
            echo "fail";
            echo "";
        }
        array_push($names, $filename);
    }

    foreach(glob("scripts/.php") as $filename){
        $output = shell_exec("node $filename");
        echo($output);
        echo "";
        array_push($names, $filename);
    }

    foreach(glob("scripts/*.py") as $filename){
        $output = shell_exec("./$filename");
        array_push($names, $filename);
    }

    echo "All files in the scripts directory are: ";

    foreach($names as $name){
        print_r($name);
        echo "";
    }
?>