- strpos: documentation ( source)
- filter_var: documentation ( source)
<?php
class customException extends Exception {
public function errorMessage() {
//error message
$errorMsg = 'Error on line '.$this->getLine().' in '.$this->getFile()
.': <b>'.$this->getMessage().'</b> is not a valid E-Mail address';
return $errorMsg;
}
}
$email = "someone@example.com";
try {
//check if
if(filter_var($email, FILTER_VALIDATE_EMAIL) === FALSE) {
//throw exception if email is not valid
throw new customException($email);
}
//check for "example" in mail address
if(strpos($email, "example") !== FALSE) {
throw new Exception("$email is an example e-mail");
}
}
catch (customException $e) {
echo $e->errorMessage();
}
catch(Exception $e) {
echo $e->getMessage();
}