StringHelper.php
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<?php
namespace common\helpers;
use yii\base\Object;
use function str_replace;
/*
* 字符串处理助手
*
* @author Nemo.Luo <378107001qq.com>
* @date 2015/12/06
*/
class StringHelper extends Object
{
/**
* 图片链接中的域名转为占位符
* @param $txt
* @return mixed
*/
public static function imageDomain2PlaceHolder($txt)
{
$imageUrl = ImageManager::getUrl('');
$placeHolder = '@imagesUrl';
return str_replace($imageUrl, $placeHolder, $txt);
}
/**
* 图片链接中的占位符恢复为域名
* @param $txt
* @return mixed
*/
public static function placeHolder2ImageDomain($txt)
{
$imageUrl = ImageManager::getUrl('');
$placeHolder = '@imagesUrl';
return str_replace($placeHolder, $imageUrl, $txt);
}
}