Replaces escaped octal char codes in php with char

unoct.php

<?php
/**
 * Created by PhpStorm.
 * User: cantgetnosleep
 * Date: 7/30/15
 * Time: 4:50 PM
 */

$chars = array();

$i = 33;

for ($i=33; $i < 123; $i++ ) {

    $oct = decoct($i);
    if (strlen($oct) == 2) {
        $oct = "0".$oct;
    }
    $char = chr($i);
    echo $char." = ".$oct."\n";

    $chars[$oct] = $char;

}

$fileText = file_get_contents('_admin.php');

$newText = $fileText;

foreach ($chars as $octCode => $charVal) {

    $newText = str_replace("\\$octCode", $charVal, $newText, $count);
    echo "\\$octCode - ".$count."\n";
}

echo $newText;