php数组中删除元素的实现代码
author:一佰互联 2019-04-30   click:197
复制代码 代码如下:
<?php
$arr = array("a","b","c","d");
unset($arr[1]);
print_r($arr);
?>

print_r($arr)之后,结果却不是那样的,最终结果是 Array ( [0] => a [2] => c [3] => d
那么怎么才能做到缺少的元素会被填补并且数组会被重新索引呢?答案是array_splice():
复制代码 代码如下:
<?php
$arr = array("a","b","c","d");
array_splice($arr,1,1);
print_r($arr); // <span style="font-family: Simsun;font-size:16px; ">Array ( [0] => a [1] => c [2] => d )</span>
?>