wiki.techinc.nl/includes/htmlform/fields/HTMLIntField.php
Brad Jorsch 7fdbe15fb6 HTMLForm: Allow returning Message objects from HTMLFormField::validate()
It mostly already worked. HTMLForm::trySubmit() needed a little
adjustment to handle things properly.

Change-Id: Ibb17bb61ac0b2d41953249980bc2f23b8a3ae5b6
2016-11-14 13:25:14 -05:00

26 lines
802 B
PHP

<?php
/**
* A field that must contain a number
*/
class HTMLIntField extends HTMLFloatField {
public function validate( $value, $alldata ) {
$p = parent::validate( $value, $alldata );
if ( $p !== true ) {
return $p;
}
# https://www.w3.org/TR/html5/infrastructure.html#signed-integers
# with the addition that a leading '+' sign is ok. Note that leading zeros
# are fine, and will be left in the input, which is useful for things like
# phone numbers when you know that they are integers (the HTML5 type=tel
# input does not require its value to be numeric). If you want a tidier
# value to, eg, save in the DB, clean it up with intval().
if ( !preg_match( '/^((\+|\-)?\d+)?$/', trim( $value ) ) ) {
return $this->msg( 'htmlform-int-invalid' );
}
return true;
}
}