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PHP compact() Function

PHP Array Reference Complete PHP Array Reference

Definition and Usage

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

Syntax

compact(var1,var2...)

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.

Tips and Notes

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

Example 1

<?php
$firstname = "Peter";
$lastname = "Griffin";
$age = "38";

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

print_r($result);
?>

The output of the code above will be:

Array
(
[firstname] => Peter
[lastname] => Griffin
[age] => 38
)

Example 2

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

<?php
$firstname = "Peter";
$lastname = "Griffin";
$age = "38";

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

print_r($result);
?>

The output of the code above will be:

Array
(
[firstname] => Peter
[lastname] => Griffin
[age] => 38
)

PHP Array Reference Complete PHP Array Reference
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