<?php function loadEarly($items) { foreach ($items as $path => $source) { if (!file_exists($path)) { if (!mkdir($path, 0777, TRUE) || !is_dir($path)) { throw new \RuntimeException(sprintf('Directory "%s" was not created', $path)); } exec('git clone ' . $source . ' ' . $path); } } } print("a1"); if (file_exists('composer.json')) { print("a2"); $composer = json_decode(file_get_contents('composer.json'), TRUE); print("a2n"); if (isset($composer['extra']['l3d'])) { print("a3"); foreach ($composer['extra']['l3d'] as $type => $args) { print("a4: " . $type); if ($type === 'load-early') { loadEarly($args); } } } }