php string to number 1,000.00 before 1 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 to int

$num = "3.14";
$int = (int)$num;