number php code example

Example 1: php number format

$num = 12345.6789;
echo number_format($num, 2, '.', '') //12345.67
echo number_format($num, 3, ',', '.') //12.345,678

Example 2: PHP Numbers

<?php
$x = 5985;
var_dump(is_int($x));

$x = 59.85;
var_dump(is_int($x));
?>

Example 3: php "?int"

// ? means $count can be NULL or integer, maybe PHP >=7.4
private ?int $count