Micro-engine test form submission
checksubmit('submit')
$ _W [ 'ispost']
$_W['isajax']
IF (checksubmit ( 'Submit' )) { Exit ( 'Form submitted' ); }
IF ($ _W [ 'isPost']) {
Exit ( 'POST submission');
}
IF ($ _W [ 'isajax'] ) {
Exit ( 'Ajax submission');
}