function php_form_check($user, $pw, $confirm_pw, $email){ /*PHP side form check: This function will take in all the fields in the form that needs to be checked and performs a validation check.*/ print "email:".$email; $this-> error_catcher = "<meta http-equiv=\"refresh\" content=\"10000;index.php?a=9\">\n"; $error_state = 0; if (empty($user) || empty($pw) || empty($email)){ $this -> error_catcher = $this->error_catcher . er03; $error_state++; } if (!preg_match("/^[^0-9][A-z0-9_]+([.][A-z0-9_]+)*[@][A-z0-9_]+([.][A-z0-9_]+)*[.][A-z]{2,4}$/",$email)){ $this -> error_catcher = $this->error_catcher . er04; $error_state++; } if (!preg_match("/^[^0-9][a-zA-Z0-9]([.][A-Za-z0-9])*/",$user)){ $this -> error_catcher == $this->error_catcher . er05; $error_state++; } $this -> error_catcher = $this->error_catcher . er_goback; return $error_state; }