<?php
plugin_add_hook( 'CUSTOM_FIELD_VALIDATE', 'plugin_custom_field_validator');
function plugin_custom_field_validator( $array)
{
list( $err, $field_id, $field_name, $field_value) = $array;
if ( $field_name == 'City')
{
$f_test = strtolower( trim( $field_value));
if ( $f_test == 'city' || $f_test == 'yes')
{
return 'ERROR';
}
}
return 0;
}
function custom_field_validator_info()
{
return array( 'name' => 'Custom Field Validator',
'desc' => 'Validate custom profile fields.',
'version' => '1.0');
}
?>
]]>