git-status-recursive

#!/usr/bin/php
<?php
$repos = array();
exec('find -type d -name .git | sed -e "s/\.git//"', $repos);
foreach ($repos as $repo) {
    $status = shell_exec("cd $repo && git status");
    if (false == strpos($status, 'nothing to commit, working directory clean')) {
        echo "$repo\n" . str_repeat('-', strlen($repo)) . "\n$status\n\n";
    }
}