helper.php
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<?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));
}
}