Version: 1.0
Type: Function
Category: Algorithms
License: GNU General Public License
Description: Show how to validate various things. name, email, phone number, time, numerical data.
<?php function validate ($first, $second, $timein, $timeout, $start, $end) { if (!eregi('^[a-zA-Z]+$', $first)) {$error = "please re-enter, first name not valid! <br />"; } elseif (!eregi('^[a-zA-Z]+$', $second)) {$error = "please re-enter, second name not valid!<br />";} elseif (!eregi('^[0-9]+:[0-9]+ [AMPM]+$', $timein)) {$error = "please re-enter, time in not valid! Make Sure time has capital AM or PM and time and AM or PM is seperated by a space..<br />";} elseif (!eregi('^[0-9]+:[0-9]+ [AMPM]+$', $timeout)) {$error = "please re-enter, time out not valid! Make Sure time has capital AM or PM and time and AM or PM is seperated by a space..<br />";} elseif (!eregi('^[0-9]+$', $start)) {$error = "please re-enter, starting odometer reading not valid!<br />";} elseif (!eregi('^[0-9]+$', $end)) {$error = "please re-enter, ending odometer reading not valid!<br />";} elseif ( !($end > $start)){echo "<br />please re-enter, ending odometer reading is less than starting odometer reading!";} elseif ( $name =="name" || $first == "Client First Name" || $second == "Client Second Name") { $error == "<br />Field values not changed";} else ($error = "0"); return $error; } ?>