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wpscholar/validate-postal-code.php

Created August 9, 2014 13:26
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Validate postal code example
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validate-postal-code.php
<?php
$postal_code = $_POST['postal_code'];
if ( preg_match( '/[0-9]{5}/', $postal_code ) ) {
update_post_meta( get_the_ID(), 'postal_code', $postal_code );
}
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