implode
PHP function
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(PHP 4, PHP 5, PHP 7, PHP 8)
Join array elements with a string
Description
implode(string $separator, array $array): string
Alternative signature (not supported with named arguments):
implode(array $array): string
Legacy signature (deprecated as of PHP 7.4.0, removed as of PHP 8.0.0):
implode(array $array, string $separator): string
Join array elements with a separator string.
Parameters
separatorOptional. Defaults to an empty string.
arrayThe array of strings to implode.
Return Values
Returns a string containing a string representation of all the array elements in the same order, with the separator string between each element.
Changelog
| Version | Description |
|---|---|
| 8.0.0 | Passing the separator after the array is no longer supported. |
| 7.4.0 | Passing the separator after the array (i.e. using the legacy signature) has been deprecated. |
Examples
implode() example
php
<?php
$array = ['lastname', 'email', 'phone'];
var_dump(implode(",", $array)); // string(20) "lastname,email,phone"
// Empty string when using an empty array:
var_dump(implode('hello', [])); // string(0) ""
// The separator is optional:
var_dump(implode(['a', 'b', 'c'])); // string(3) "abc"
?>