Remove old git branches

maintain.php

#!/usr/bin/env php
<?php
$local = exec("git branch | xargs $1");
$lines = explode(" ", $local);
$limit = strtotime("-2 week");

$exclude = array("*", "master");
foreach ($exclude as $i) {
	$k = array_search($i, $lines);
	unset($lines[$k]);
}
$k = 0;
foreach ($lines as $line) {
	$output[$k]['name'] = $line;
	$output[$k]['time'] = exec('git log '.$line.' --pretty=format:"%at" -1');
	if ($limit>$output[$k]['time']) {		
		echo "This branch should be deleted $line\n";
		exec("git branch -d $line");
	}
	$k++;
}