W3Schools.com

PHP each() Function

PHP Array Reference Complete PHP Array Reference

Definition and Usage

The each() function returns the current element key and value, and moves the internal pointer forward.

This element key an value is returned in an array with four elements. Two elements (1 and Value) for the element value, and two elements (0 and Key) for the element key.

This function returns FALSE if there are no more array elements.

Syntax

each(array)

Parameter Description
array Required. Specifies the array to use

Tips and Notes

Note: This function returns FALSE on empty elements or elements with no value.

Example 1

<?php
$people = array("Peter", "Joe", "Glenn", "Cleveland");
print_r (each($people));
?>

The output of the code above will be:

Array ( [1] => Peter [value] => Peter [0] => 0 [key] => 0 )

Example 2

Same example as above, but with a loop to output the whole array:

<?php
$people = array("Peter", "Joe", "Glenn", "Cleveland");

reset($people);

while (list($key, $val) = each($people))
  {
  echo "$key => $val<br />";
  }
?>

The output of the code above will be:

0 => Peter
1 => Joe
2 => Glenn
3 => Cleveland

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
$7.95/mo SEO Hosting
Premium Website Design
WEB BUILDING
Download XML Editor
FREE Website BUILDER
Free Website Templates Free CSS Templates
Make Your Own Website
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