<?php // +---------------------------------------------------------------------- // | ThinkPHP [ WE CAN DO IT JUST THINK IT ] // +---------------------------------------------------------------------- // | Copyright (c) 2006-2016 http://thinkphp.cn All rights reserved. // +---------------------------------------------------------------------- // | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) // +---------------------------------------------------------------------- // | Author: yunwuxin <448901948@qq.com> // +---------------------------------------------------------------------- if (!function_exists('classnames')) { /** * css样式名生成器 * classnames("foo", "bar"); // => "foo bar" * classnames("foo", [ "bar"=> true ]); // => "foo bar" * classnames([ "foo-bar"=> true ]); // => "foo-bar" * classnames([ "foo-bar"=> false ]); // => " * classnames([ "foo" => true ], [ "bar"=> true ]); // => "foo bar" * classnames([ "foo" => true, "bar"=> true ]); // => "foo bar" * classnames("foo", [ "bar"=> true, "duck"=> false ], "baz", [ "quux"=> true ]); // => "foo bar baz quux" * classnames(null, false, "bar", 0, 1, [ "baz"=> null ]); // => "bar 1" */ function classnames() { $args = func_get_args(); $classes = array_map(function ($arg) { if (is_array($arg)) { return implode(" ", array_filter(array_map(function ($expression, $class) { return $expression ? $class : false; }, $arg, array_keys($arg)))); } return $arg; }, $args); return implode(" ", array_filter($classes)); } }