PHP explode 和 implode 用法

xiaoxiao2021-02-28  119

explode() 函数把字符串分割为数组;implode() 函数把数组元素组合为一个字符串。

explode

定义 array explode ( string $delimiter , string $string [, int $limit = PHP_INT_MAX ] ) 参数: limit 限制结果的个数。

<?php $str = "hi, jason, world"; print_r(explode(',', $str)); print_r(explode(',', $str, 2));

输出:

Array ( [0] => hi [1] => jason [2] => world ) Array ( [0] => hi [1] => jason, world )

implode

定义

string implode ( string $glue , array $pieces ) string implode ( array $pieces ) <?php $array = array('hello', 'world', 'is', 'php'); echo implode(' ', $array); echo "\n"; $array1 = array('a' => 'hello', 'b'=>'world', 'x' => 'jason' ); echo implode(' ', $array1);

输出

hello world is php hello world jason
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