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PHP compact() Function

❮ PHP Array Reference

Example

Create an array from variables and their values:

<?php
$firstname = "Peter";
$lastname = "Griffin";
$age = "41";

$result = compact("firstname", "lastname", "age");

print_r($result);
?>
Try it Yourself »

Definition and Usage

The compact() function creates an array from variables and their values.

Note: Any strings that does not match variable names will be skipped.


Syntax

compact(var1, var2...)

Parameter Values

Parameter Description
var1 Required. Can be a string with the variable name, or an array of variables
var2,... Optional. Can be a string with the variable name, or an array of variables. Multiple parameters are allowed.


Technical Details

Return Value: Returns an array with all the variables added to it
PHP Version: 4+
Change log: As of version 7.3 this function issues an E_NOTICE level error if an unset variable is given

More Examples

Example

Using a string that does not match a variable, and an array of variable names:

<?php
$firstname = "Peter";
$lastname = "Griffin";
$age = "41";

$name = array("firstname", "lastname");
$result = compact($name, "location", "age");

print_r($result);
?>
Try it Yourself »

❮ PHP Array Reference