implode
(PHP 4, PHP 5, PHP 7, PHP 8)
implode — Join array elements with a string
Description
implode(string
$separator, array $array): stringAlternative signature (not supported with named arguments):
implode(array
$array): stringLegacy 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
-
separator -
Optional. Defaults to an empty string.
-
array -
The 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
Example #1 implode() example
<?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"
?>
Notes
Note: This function is binary-safe.
See Also
- explode() - Split a string by a string
- preg_split() - Split string by a regular expression
- http_build_query() - Generate URL-encoded query string
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