gistfile1.php

<?php
/**
 * Echo php builtin classes, interfaces, functions, constants for vim dictionary
 *
 * eg:# php dict.php | sort > ~/.vim/dict/php_functions.dict
 *
 * @version   $id$
 * @copyright 2009 Heavens hell
 * @author    Heavens hell <heavenshell.jp@gmail.com>
 * @license   New BSD License
 * @forked    sotarok
 */

$f = false;
$c = false;
$i = false;
$d = false;
$m = false;
$usage = null;
if ($argc > 1) {
    foreach (array_slice($argv, 1) as $val) {
        if ($val === '-c') {
            // Classes
            $c = true;
        } else if ($val === '-f') {
            // Functions
            $f = true;
        } else if ($val === '-i') {
            // Interfaces
            $i = true;
        } else if ($val === '-d') {
            // Constants
            $d = true;
        } else if ($val === '-m') {
            // Classes
            $m = true;
        } else {
            $usage  = 'Usage: php dict.php [-c] [-f] [-i] [-d] [-m]' . PHP_EOL;
            $usage .= '       -c display built in classes' . PHP_EOL;
            $usage .= '       -f display built in functions' . PHP_EOL;
            $usage .= '       -i display builtin interfaces' . PHP_EOL;
            $usage .= '       -d display builtin constants' . PHP_EOL;
            $usage .= '       -m display builtin class methods' . PHP_EOL;
        }
    }
} else {
    $f = true;
    $c = true;
    $i = true;
    $d = true;
    $m = true;
}
if (!is_null($usage)) {
    echo $usage;
    exit(0);
}

$buffer = array();
if ($f === true) {
    $functions = get_defined_functions();
    $buffer   += $functions["internal"];
}

if ($c === true) {
    $class = get_declared_classes();
    foreach ($class as $value) {
        $buffer[] = $value;

        if ($m === true) {
            foreach (get_class_methods($value) as $method) {
                $buffer[] = $method;
            }
        }
    }
}

if ($i === true) {
    $interface = get_declared_interfaces();
    foreach ($interface as $value) {
        $buffer[] = $value;
    }
}

if ($d === true) {
    $constants = get_defined_constants();
    foreach ($constants as $key => $value) {
        $buffer[] = $key;
    }
}

echo join(PHP_EOL, array_unique($buffer)) . PHP_EOL;