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PHP - Manual: Ds\Set::join

2024-11-15

Ds\Set::join

(PECL ds >= 1.0.0)

Ds\Set::joinJoins all values together as a string

说明

public Ds\Set::join(string $glue = ?): string

Joins all values together as a string using an optional separator between each value.

参数

glue

An optional string to separate each value.

返回值

All values of the set joined together as a string.

范例

示例 #1 Ds\Set::join() example using a separator string

<?php
$set 
= new \Ds\Set(["a""b""c"123]);

var_dump($set->join("|"));
?>

以上例程的输出类似于:

string(11) "a|b|c|1|2|3"

示例 #2 Ds\Set::join() example without a separator string

<?php
$set 
= new \Ds\Set(["a""b""c"123]);

var_dump($set->join());
?>

以上例程的输出类似于:

string(11) "abc123"
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官方地址:https://www.php.net/manual/en/ds-set.join.php

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