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