describe-function-via-pman

gistfile1.el

    ;; pman
    ;; sudo pear channel-update doc.php.net
    ;; sudo pear install doc.php.net/pman

    (defun describe-function-via-pman (function)
      "Display the full documentation of FUNCTION, using pman"
      (interactive
       (let (
             (fn (intern-soft (thing-at-point 'symbol)
                              obarray))
             (enable-recursive-minibuffers t)
             val)
         (setq val (completing-read (if fn
                                        (format "Describe function (default %s): " fn)
                                      "Describe function: ")
                                    obarray 'fboundp t nil nil
                                    (and fn (symbol-name fn))))
         (list (if (equal val "")
                   fn (intern val)))))
      (if (null function)
          (message "You didn't specify a function")
        (help-setup-xref (list #'describe-function function)
                         (called-interactively-p 'interactive))
        (save-excursion
          (let ((manual-program "pman"))
            (man (symbol-name function))))))
    (define-key php-mode-map "\C-hf" 'describe-function-via-pman)))