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implode

implode

(PHP 4, PHP 5)

implodeJoin array elements with a string

说明

string implode ( string $glue , array $pieces ) string implode ( array $pieces )

Join array elements with a glue string.

Note:

implode() can, for historical reasons, accept its parameters in either order. For consistency with explode(), however, it may be less confusing to use the documented order of arguments.

参数

glue

Defaults to an empty string. This is not the preferred usage of implode() as glue would be the second parameter and thus, the bad prototype would be used.

pieces

The array of strings to implode.

返回值

Returns a string containing a string representation of all the array elements in the same order, with the glue string between each element.

更新日志

版本 说明
4.3.0 The glue parameter became optional.

范例

Example #1 implode() example

<?php

$array 
= array('lastname''email''phone');
$comma_separated implode(","$array);

echo 
$comma_separated// lastname,email,phone

// Empty string when using an empty array:
var_dump(implode('hello', array())); // string(0) ""

?>

注释

Note: 此函数可安全用于二进制对象。

参见

  • explode() - 使用一个字符串分割另一个字符串
  • preg_split() - 通过一个正则表达式分隔字符串

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