PHP count() Function

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)

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

Complete PHP Array Reference

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