W3Schools.com

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
W3Schools Certification

W3Schools' Online Certification

The perfect solution for professionals who need to balance work, family, and career building.

More than 10 000 certificates already issued!

Get Your Certificate »

The HTML Certificate documents your knowledge of HTML.

The CSS Certificate documents your knowledge of advanced CSS.

The JavaScript Certificate documents your knowledge of JavaScript and HTML DOM.

The jQuery Certificate documents your knowledge of jQuery.

The XML Certificate documents your knowledge of XML, XML DOM and XSLT.

The ASP Certificate documents your knowledge of ASP, SQL, and ADO.

The PHP Certificate documents your knowledge of PHP and SQL (MySQL).

WEB HOSTING
Best Web Hosting
PHP MySQL Hosting
Best Hosting Coupons
UK Reseller Hosting
Cloud Hosting
Top Web Hosting
$3.98 Unlimited Hosting
Premium Website Design
WEB BUILDING
Download XML Editor
FREE Website BUILDER
Best Website Templates Top CSS Templates
CREATE HTML Websites
EASY WEBSITE BUILDER
W3SCHOOLS EXAMS
Get Certified in:
HTML, CSS, JavaScript, XML, PHP, and ASP
W3SCHOOLS BOOKS
New Books:
HTML, CSS
JavaScript, and Ajax
STATISTICS
Browser Statistics
Browser OS
Browser Display
SHARE THIS PAGE