implode

PHP 4, PHP 5)

implode — Join 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.

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)));  // string0) ""

?>

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
http_build_query) – 生成 URL-encode 之后的请求字符串