php-mode setup.

php-init.el

(defun unindent-closure ()
  (let ((syntax (mapcar 'car c-syntactic-context)))
    (if (and (member 'arglist-cont-nonempty syntax)
             (or
              (member 'statement-block-intro syntax)
              (member 'brace-list-intro syntax)
              (member 'brace-list-close syntax)
              (member 'block-close syntax)))
        (save-excursion
          (beginning-of-line)
          (delete-char (* (count 'arglist-cont-nonempty syntax)
                          c-basic-offset))))))

(add-hook 'php-mode-hook (lambda ()
                           (add-hook 'c-special-indent-hook 'unindent-closure)))

(defun wicked/php-mode-init ()
  "Set some buffer-local variables."
  (c-set-style "linux")
  (setq indent-tabs-mode nil)
  (setq fill-column 78)
  (setq c-basic-offset 4)
  (c-set-offset 'arglist-cont 0)
  (c-set-offset 'arglist-intro '+)
  (c-set-offset 'case-label 2)
  (c-set-offset 'arglist-close 0))
(add-hook 'php-mode-hook 'wicked/php-mode-init)