W3Schools.com

PHP count() Function

PHP Array Reference Complete PHP Array Reference

Definition and Usage

The count() function counts the elements of an array, or the properties of an object.

Syntax

count(array,mode)

Parameter Description
array Required. Specifies the array or object to count.
mode Optional. Specifies the mode of the function. Possible values:
  • 0 - Default. Does not detect multidimensional arrays (arrays within arrays)
  • 1 - Detects multidimensional arrays

Note: This parameter was added in PHP 4.2

Tips and Notes

Note: This function may return 0 if a variable isn't set, but it may also return 0 if a variable contains an empty array. The isset() function can be used to test if a variable is set.
 

Example

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

echo $result;
?>

The output of the code above will be:

4

PHP Array Reference Complete PHP Array Reference
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