<?php
class WPCF7_SWV_NumberRule extends WPCF7_SWV_Rule {
const rule_name = 'number';
public function matches( $context ) {
if ( false === parent::matches( $context ) ) {
return false;
}
if ( empty( $context['text'] ) ) {
return false;
}
return true;
}
public function validate( $context ) {
$field = $this->get_property( 'field' );
$input = isset( $_POST[$field] ) ? $_POST[$field] : '';
$input = wpcf7_array_flatten( $input );
$input = wpcf7_exclude_blank( $input );
foreach ( $input as $i ) {
if ( ! wpcf7_is_number( $i ) ) {
return new WP_Error( 'wpcf7_invalid_number',
$this->get_property( 'error' )
);
}
}
return true;
}
public function to_array() {
return array( 'rule' => self::rule_name ) + (array) $this->properties;
}
}