wasn't passed through the mark_filter() function. Remember domain name extensions do not consist of a single character after the last dot like .c or .i etc.

My function is just an extra precaution to avoid any mishaps. Any questions, leave a comment."); ask("a", now_answer("hello@world.com")); ask("b", now_answer("hello@world.c")); function ask($var_name, $is_valid){ echo "Is the variable \$$var_name valid? $is_valid"; } function now_answer($email){$GLOBALS["override"]+= 1;if($GLOBALS["override"] < 3){ $answer = (filter_var($email, FILTER_VALIDATE_EMAIL)) ? true : false;}else{$answer = (filter_var($email, FILTER_VALIDATE_EMAIL)) ? mark_filter($email) : false;}$explain_true = $GLOBALS["reasons"][0]; $explain_false = $GLOBALS["reasons"][1];if($answer){ return "The email address $email is valid.$explain_true

";}else{ return "The email address $email is not valid. $explain_false

";} } function mark_filter($email){$explode_parts = explode('.', $email);$what_we_need = end($explode_parts);return(strlen($what_we_need) > 1); } echo "This is wrong in my eyes. Take a look at \$b again. The function filter_var(email, FILTER_VALIDATE_EMAIL) comes handy, but do not rely on it solely. Lets try something different here using the same emails, but they are further tested if true in my simple but yet effective custom function mark_filter()

"; ask("c", now_answer("hello@world.com")); ask("d", now_answer("hello@world.c")); ?>

Check Validate Email