Git pre-commit hook to run PHP lint, check for [CR] Mac-only line endings..

git-hook_pre-commit_lint.php

#!/C/xampp/php/php
<?php
#!/usr/bin/env php
/**
 * Git pre-commit hook to run php lint.
 *
 *   Git hooks on Windows: Ensure that the path to PHP is added to the %PATH% variable, and run `git commit` via the Bash shell.
 *
 * @copyright 2012-04-30 N.D.Freear.
 * @license MIT
 * @link http://progit.org/book/ch7-3.html
 */
#echo '>> '.$argv[0] .' | exit(1)' .PHP_EOL; exit(1);


  define('GIT_COMMAND', 'git ls-files --modified');


  $handle = popen(escapeshellcmd(GIT_COMMAND), 'r'); //2>&1
  $result = fread($handle, 2096);
  pclose($handle);

  $file_list = explode("\n", $result);
  #$file_list[] = __FILE__;

  foreach ($file_list as $file) {
    $ext = pathinfo($file, PATHINFO_EXTENSION);
    switch ($ext) {
    case '':
      break;
    #case 'htaccess':
    #  system('httpd -t');
      break;
    case 'php': # Fall through.
    case 'inc':
      if (! php_lint($file, $message)) {
        echo '> Hook aborting commit: php-lint '.PHP_EOL. $message.PHP_EOL;
        exit (1);
      }
      break;
    default:
      echo "> Hook untested file: ";
      break;
    }
    echo '> OK: php-lint '. $file.PHP_EOL;
  }

echo '> Hook OK: pre-commit'.PHP_EOL;
exit (0);



function php_lint($file, &$message = null) {

  $handle = popen(escapeshellcmd('php -l '.$file.' 2>&1'), 'r'); //2>&1
  $php_res = fread($handle, 2096);
  pclose($handle);

  $message = explode("\n", $php_res);
  $message = $message[1];
  return FALSE === stripos($php_res, 'parse error');
}