Answers for "remove empty elements php"

php array remove empty values

<?php
$arr = array('1', '', '2', '3', '0');
// Incorrect:
print_r(array_filter($arr));
// Correct:
print_r(array_filter($arr, 'strlen'));
//Custom
print_r(array_filter($arr, function ($val) {if ($val > 0) {return true;} else {return false;}}));

empty in php

## CHECKS IF FILE IS EMPTY
if ($_FILES['file']['size'] == 0 && $_FILES['file']['error'] == 0)
{
    // file is empty (and not an error)
}