find the length of an array in php

main.php
$my_array = array('apple', 'banana', 'orange');
$array_length = count($my_array); // Using count() function
echo $array_length; // Output: 3

$other_array = array(1, 2, 3, 4, 5);
$array_size = sizeof($other_array); // Using sizeof() function
echo $array_size; // Output: 5
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