<?php

mb_internal_encoding('utf-8');
error_reporting(-1);

$student = array('DatafirstName', 'DatalastName', 'Datasex', 'Datasection', 'Dataemail', 'Datayear', 'Dataexams', 'DataisLocal');
$example = array('firstName', 'lastName', 'sex', 'section', 'email', 'year', 'exams', 'isLocal');

//foreach ($example as $field) {
//	$student[] = $_POST[$field];
//}

try {
	$DHB = new PDO('mysql:host = localhost;dbname = sat', 'root', '');
	$STH = $DHB->prepare("SELECT email FROM students WHERE email = ?");
	$STH->bindparam(1, $email);
	$email = $_POST['email'];
	if ($STH->execute()) {
		throw new PDOExpenition("Ошибка $email уже используеться.\n");
	} else {
		$STH = $DHB->prepare("INSERT into students (firstName, lastName, sex, section, email, year, exams, isLocal) values (?, ?, ?, ?, ?, ?, ?, ?)");
		$STH->execute($student);
	}
}
catch (PDOExpenition $e) {

}
?>