Server : Apache/2.4.43 (Win64) OpenSSL/1.1.1g PHP/7.4.6
System : Windows NT USER-PC 6.1 build 7601 (Windows 7 Professional Edition Service Pack 1) AMD64
User : User ( 0)
PHP Version : 7.4.6
Disable Function : NONE
Directory :  C:/xampp/php/tests/parseFile/
Upload File :
Current Directory [ Writeable ] Root Directory [ Writeable ]


Current File : C:/xampp/php/tests/parseFile/math.php
<?php
$nb = bcsub(1.234, 5, 4);
if (preg_match('/^-/', $nb)) {
    echo 'minus';
}
?>