Pre-commit hook that performs php-cs-fixer on each changed files.

pre-commit

#!/usr/bin/php
<?php

exec('git diff --cached --name-status --diff-filter=ACM', $output);

foreach ($output as $file) {
    $fileName = trim(substr($file, 1) );
    if (pathinfo($fileName,PATHINFO_EXTENSION) == "php") {
        $lint_output = array();
        exec("php -l " . escapeshellarg($fileName), $lint_output, $return);

        if ($return == 0) {
          exec("php php-cs-fixer.phar fix {$fileName} --config-file=.php_cs; git add {$fileName}");
					echo $file.PHP_EOL;
        } else {
           echo implode("\n", $lint_output), "\n";
           exit(1);
        }
    }
}
echo 'All source-code is clean'.PHP_EOL;
exit(0);