make_php_dict.php

<?php

/**
 * Make php.dict for neosnippet.vim
 *
 * Require:
 *  PHP 5.4 or later
 *
 * Usage:
 *  php make_php_dict.php > php.dict
 *
 * @see http://us.php.net/manual/en/reserved.keywords.php
 * @see http://us.php.net/manual/en/function.get-defined-functions.php
 * @see http://us.php.net/manual/en/function.get-defined-constants.php
 * @see http://us.php.net/manual/en/function.get-declared-classes.php
 * @see http://us.php.net/manual/en/function.get-declared-interfaces.php
 * @see http://us.php.net/manual/en/function.get-declared-traits.php
 */

$keywords = [
    '__halt_compiler',  'abstract',     'and',          'array',        'as',
    'break',            'callable',     'case',         'catch',        'class',
    'clone',            'const',        'continue',     'declare',      'default',
    'die',              'do',           'echo',         'else',         'elseif',
    'empty',            'enddeclare',   'endfor',       'endforeach',   'endif',
    'endswitch',        'endwhile',     'eval',         'exit',         'extends',
    'final',            'for',          'foreach',      'function',     'global',
    'goto',             'if',           'implements',   'include',      'include_once',
    'instanceof',       'insteadof',    'interface',    'isset',        'list',
    'namespace',        'new',          'or',           'print',        'private',
    'protected',        'public',       'require',      'require_once', 'return',
    'static',           'switch',       'throw',        'trait',        'try',
    'unset',            'use',          'var',          'while',        'xor',
    'yield',
];

$compile_time_constants = [
    '__CLASS__',        '__DIR__',      '__FILE__', '__FUNCTION__', '__LINE__', '__METHOD__',
    '__NAMESPACE__',    '__TRAIT__',
];

$functions  = get_defined_functions()['internal'];
$constants  = array_keys( get_defined_constants() );
$classes    = get_declared_classes();
$interfaces = get_declared_interfaces();
$traits     = get_declared_traits();

$dict = array_merge(
            $keywords,
            $compile_time_constants,
            $functions,
            $constants,
            $classes,
            $interfaces,
            $traits
        );
sort($dict);

echo implode("\n", array_unique($dict));