PHP 数组 去空后重新从 0 开始索引
<?php
$gallery = '|||http://oss.xiaoguan.net/web/202003/oLhfEWk0hlGD44RNQZn4.png-fapai|||http://oss.xiaoguan.net/web/202003/HW0MnvmL70htVyB2Cmg6.png-fapai';
$arr = explode("|||",$gallery);
$arr = array_merge(array_filter($arr));
if($arr[0]){
echo $arr[0];
}else{
echo '/assets/img/skin/img/defaultImg.png';
}
?>