588 lines
15 KiB
PHP
588 lines
15 KiB
PHP
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<?php
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/**
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* CMB2 field sanitization
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*
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* @since 0.0.4
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*
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* @category WordPress_Plugin
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* @package CMB2
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* @author CMB2 team
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* @license GPL-2.0+
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* @link https://cmb2.io
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*
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* @method string _id()
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*/
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class CMB2_Sanitize {
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/**
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* A CMB field object
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*
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* @var CMB2_Field object
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*/
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public $field;
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/**
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* Field's value
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*
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* @var mixed
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*/
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public $value;
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/**
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* Setup our class vars
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*
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* @since 1.1.0
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* @param CMB2_Field $field A CMB2 field object.
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* @param mixed $value Field value.
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*/
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public function __construct( CMB2_Field $field, $value ) {
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$this->field = $field;
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$this->value = $value;
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}
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/**
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* Catchall method if field's 'sanitization_cb' is NOT defined,
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* or field type does not have a corresponding validation method.
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*
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* @since 1.0.0
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*
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* @param string $name Non-existent method name.
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* @param array $arguments All arguments passed to the method.
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* @return mixed
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*/
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public function __call( $name, $arguments ) {
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return $this->default_sanitization();
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}
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/**
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* Default fallback sanitization method. Applies filters.
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*
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* @since 1.0.2
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*/
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public function default_sanitization() {
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$field_type = $this->field->type();
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/**
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* This exists for back-compatibility, but validation
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* is not what happens here.
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*
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* @deprecated See documentation for "cmb2_sanitize_{$field_type}".
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*/
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if ( function_exists( 'apply_filters_deprecated' ) ) {
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$override_value = apply_filters_deprecated( "cmb2_validate_{$field_type}", array( null, $this->value, $this->field->object_id, $this->field->args(), $this ), '2.0.0', "cmb2_sanitize_{$field_type}" );
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} else {
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$override_value = apply_filters( "cmb2_validate_{$field_type}", null, $this->value, $this->field->object_id, $this->field->args(), $this );
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}
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if ( null !== $override_value ) {
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return $override_value;
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}
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$sanitized_value = '';
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switch ( $field_type ) {
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case 'wysiwyg':
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case 'textarea_small':
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case 'oembed':
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$sanitized_value = $this->textarea();
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break;
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case 'taxonomy_select':
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case 'taxonomy_radio':
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case 'taxonomy_radio_inline':
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case 'taxonomy_radio_hierarchical':
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case 'taxonomy_multicheck':
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case 'taxonomy_multicheck_hierarchical':
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case 'taxonomy_multicheck_inline':
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$sanitized_value = $this->taxonomy();
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break;
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case 'multicheck':
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case 'multicheck_inline':
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case 'file_list':
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case 'group':
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// no filtering
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$sanitized_value = $this->value;
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break;
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default:
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// Handle repeatable fields array
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// We'll fallback to 'sanitize_text_field'
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$sanitized_value = $this->_default_sanitization();
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break;
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}
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return $this->_is_empty_array( $sanitized_value ) ? '' : $sanitized_value;
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}
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/**
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* Default sanitization method, sanitize_text_field. Checks if value is array.
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*
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* @since 2.2.4
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* @return mixed Sanitized value.
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*/
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protected function _default_sanitization() {
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// Handle repeatable fields array.
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return is_array( $this->value ) ? array_map( 'sanitize_text_field', $this->value ) : sanitize_text_field( $this->value );
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}
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/**
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* Sets the object terms to the object (if not options-page) and optionally returns the sanitized term values.
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*
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* @since 2.2.4
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* @return mixed Blank value, or sanitized term values if "cmb2_return_taxonomy_values_{$cmb_id}" is true.
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*/
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public function taxonomy() {
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$sanitized_value = '';
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if ( ! $this->field->args( 'taxonomy' ) ) {
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CMB2_Utils::log_if_debug( __METHOD__, __LINE__, "{$this->field->type()} {$this->field->_id()} is missing the 'taxonomy' parameter." );
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} else {
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if ( in_array( $this->field->object_type, array( 'options-page', 'term' ), true ) ) {
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$return_values = true;
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} else {
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wp_set_object_terms( $this->field->object_id, $this->value, $this->field->args( 'taxonomy' ) );
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$return_values = false;
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}
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$cmb_id = $this->field->cmb_id;
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/**
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* Filter whether 'taxonomy_*' fields should return their value when being sanitized.
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*
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* By default, these fields do not return a value as we do not want them stored to meta
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* (as they are stored as terms). This allows overriding that and is used by CMB2::get_sanitized_values().
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*
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* The dynamic portion of the hook, $cmb_id, refers to the this field's CMB2 box id.
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*
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* @since 2.2.4
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*
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* @param bool $return_values By default, this is only true for 'options-page' boxes. To enable:
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* `add_filter( "cmb2_return_taxonomy_values_{$cmb_id}", '__return_true' );`
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* @param CMB2_Sanitize $sanitizer This object.
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*/
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if ( apply_filters( "cmb2_return_taxonomy_values_{$cmb_id}", $return_values, $this ) ) {
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$sanitized_value = $this->_default_sanitization();
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}
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}
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return $sanitized_value;
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}
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/**
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* Simple checkbox validation
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*
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* @since 1.0.1
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* @return string|false 'on' or false
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*/
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public function checkbox() {
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return $this->value === 'on' ? 'on' : false;
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}
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/**
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* Validate url in a meta value.
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*
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* @since 1.0.1
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* @return string Empty string or escaped url
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*/
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public function text_url() {
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$protocols = $this->field->args( 'protocols' );
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// for repeatable.
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if ( is_array( $this->value ) ) {
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foreach ( $this->value as $key => $val ) {
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$this->value[ $key ] = $val ? esc_url_raw( $val, $protocols ) : $this->field->get_default();
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}
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} else {
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$this->value = $this->value ? esc_url_raw( $this->value, $protocols ) : $this->field->get_default();
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}
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return $this->value;
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}
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public function colorpicker() {
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// for repeatable.
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if ( is_array( $this->value ) ) {
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$check = $this->value;
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$this->value = array();
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foreach ( $check as $key => $val ) {
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if ( $val && '#' != $val ) {
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$this->value[ $key ] = esc_attr( $val );
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}
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}
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} else {
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$this->value = ! $this->value || '#' == $this->value ? '' : esc_attr( $this->value );
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}
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return $this->value;
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}
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/**
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* Validate email in a meta value
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*
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* @since 1.0.1
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* @return string Empty string or sanitized email
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*/
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public function text_email() {
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// for repeatable.
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if ( is_array( $this->value ) ) {
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foreach ( $this->value as $key => $val ) {
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$val = trim( $val );
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$this->value[ $key ] = is_email( $val ) ? $val : '';
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}
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} else {
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$this->value = trim( $this->value );
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$this->value = is_email( $this->value ) ? $this->value : '';
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}
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return $this->value;
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}
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/**
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* Validate money in a meta value
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*
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* @since 1.0.1
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* @return string Empty string or sanitized money value
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*/
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public function text_money() {
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if ( ! $this->value ) {
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return '';
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}
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global $wp_locale;
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$search = array( $wp_locale->number_format['thousands_sep'], $wp_locale->number_format['decimal_point'] );
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$replace = array( '', '.' );
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// Strip slashes. Example: 2\'180.00.
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// See https://github.com/CMB2/CMB2/issues/1014.
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$this->value = wp_unslash( $this->value );
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// for repeatable.
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if ( is_array( $this->value ) ) {
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foreach ( $this->value as $key => $val ) {
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if ( $val ) {
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$this->value[ $key ] = number_format_i18n( (float) str_ireplace( $search, $replace, $val ), 2 );
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}
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}
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} else {
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$this->value = number_format_i18n( (float) str_ireplace( $search, $replace, $this->value ), 2 );
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}
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return $this->value;
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}
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/**
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* Converts text date to timestamp
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*
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* @since 1.0.2
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* @return string Timestring
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*/
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public function text_date_timestamp() {
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// date_create_from_format if there is a slash in the value.
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$this->value = wp_unslash( $this->value );
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return is_array( $this->value )
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? array_map( array( $this->field, 'get_timestamp_from_value' ), $this->value )
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: $this->field->get_timestamp_from_value( $this->value );
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}
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/**
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* Datetime to timestamp
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*
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* @since 1.0.1
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*
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* @param bool $repeat Whether or not to repeat.
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* @return string|array Timestring
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*/
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public function text_datetime_timestamp( $repeat = false ) {
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// date_create_from_format if there is a slash in the value.
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$this->value = wp_unslash( $this->value );
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$test = is_array( $this->value ) ? array_filter( $this->value ) : '';
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if ( empty( $test ) ) {
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return '';
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}
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$repeat_value = $this->_check_repeat( __FUNCTION__, $repeat );
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if ( false !== $repeat_value ) {
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return $repeat_value;
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}
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if ( isset( $this->value['date'], $this->value['time'] ) ) {
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$this->value = $this->field->get_timestamp_from_value( $this->value['date'] . ' ' . $this->value['time'] );
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}
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if ( $tz_offset = $this->field->field_timezone_offset() ) {
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$this->value += (int) $tz_offset;
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}
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return $this->value;
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}
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/**
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* Datetime to timestamp with timezone
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*
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* @since 1.0.1
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*
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* @param bool $repeat Whether or not to repeat.
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* @return string Timestring
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*/
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public function text_datetime_timestamp_timezone( $repeat = false ) {
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static $utc_values = array();
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$test = is_array( $this->value ) ? array_filter( $this->value ) : '';
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if ( empty( $test ) ) {
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return '';
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}
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// date_create_from_format if there is a slash in the value.
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$this->value = wp_unslash( $this->value );
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$utc_key = $this->field->_id() . '_utc';
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$repeat_value = $this->_check_repeat( __FUNCTION__, $repeat );
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if ( false !== $repeat_value ) {
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if ( ! empty( $utc_values[ $utc_key ] ) ) {
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$this->_save_utc_value( $utc_key, $utc_values[ $utc_key ] );
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unset( $utc_values[ $utc_key ] );
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}
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return $repeat_value;
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}
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$tzstring = null;
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if ( is_array( $this->value ) && array_key_exists( 'timezone', $this->value ) ) {
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$tzstring = $this->value['timezone'];
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}
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if ( empty( $tzstring ) ) {
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$tzstring = CMB2_Utils::timezone_string();
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}
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$offset = CMB2_Utils::timezone_offset( $tzstring );
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if ( 'UTC' === substr( $tzstring, 0, 3 ) ) {
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$tzstring = timezone_name_from_abbr( '', $offset, 0 );
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/**
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* The timezone_name_from_abbr() returns false if not found based on offset.
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* Since there are currently some invalid timezones in wp_timezone_dropdown(),
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* fallback to an offset of 0 (UTC+0)
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* https://core.trac.wordpress.org/ticket/29205
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*/
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$tzstring = false !== $tzstring ? $tzstring : timezone_name_from_abbr( '', 0, 0 );
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}
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$full_format = $this->field->args['date_format'] . ' ' . $this->field->args['time_format'];
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$full_date = $this->value['date'] . ' ' . $this->value['time'];
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try {
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||
|
|
|
||
|
|
$datetime = date_create_from_format( $full_format, $full_date );
|
||
|
|
|
||
|
|
if ( ! is_object( $datetime ) ) {
|
||
|
|
$this->value = $utc_stamp = '';
|
||
|
|
} else {
|
||
|
|
$datetime->setTimezone( new DateTimeZone( $tzstring ) );
|
||
|
|
$utc_stamp = date_timestamp_get( $datetime ) - $offset;
|
||
|
|
$this->value = serialize( $datetime );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( $this->field->group ) {
|
||
|
|
$this->value = array(
|
||
|
|
'supporting_field_value' => $utc_stamp,
|
||
|
|
'supporting_field_id' => $utc_key,
|
||
|
|
'value' => $this->value,
|
||
|
|
);
|
||
|
|
} else {
|
||
|
|
// Save the utc timestamp supporting field.
|
||
|
|
if ( $repeat ) {
|
||
|
|
$utc_values[ $utc_key ][] = $utc_stamp;
|
||
|
|
} else {
|
||
|
|
$this->_save_utc_value( $utc_key, $utc_stamp );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} catch ( Exception $e ) {
|
||
|
|
$this->value = '';
|
||
|
|
CMB2_Utils::log_if_debug( __METHOD__, __LINE__, $e->getMessage() );
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sanitize textareas and wysiwyg fields
|
||
|
|
*
|
||
|
|
* @since 1.0.1
|
||
|
|
* @return string Sanitized data
|
||
|
|
*/
|
||
|
|
public function textarea() {
|
||
|
|
return is_array( $this->value ) ? array_map( 'wp_kses_post', $this->value ) : wp_kses_post( $this->value );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sanitize code textareas
|
||
|
|
*
|
||
|
|
* @since 1.0.2
|
||
|
|
*
|
||
|
|
* @param bool $repeat Whether or not to repeat.
|
||
|
|
* @return string Sanitized data
|
||
|
|
*/
|
||
|
|
public function textarea_code( $repeat = false ) {
|
||
|
|
$repeat_value = $this->_check_repeat( __FUNCTION__, $repeat );
|
||
|
|
if ( false !== $repeat_value ) {
|
||
|
|
return $repeat_value;
|
||
|
|
}
|
||
|
|
|
||
|
|
return htmlspecialchars_decode( stripslashes( $this->value ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Handles saving of attachment post ID and sanitizing file url
|
||
|
|
*
|
||
|
|
* @since 1.1.0
|
||
|
|
* @return string Sanitized url
|
||
|
|
*/
|
||
|
|
public function file() {
|
||
|
|
$file_id_key = $this->field->_id() . '_id';
|
||
|
|
|
||
|
|
if ( $this->field->group ) {
|
||
|
|
// Return an array with url/id if saving a group field.
|
||
|
|
$this->value = $this->_get_group_file_value_array( $file_id_key );
|
||
|
|
} else {
|
||
|
|
$this->_save_file_id_value( $file_id_key );
|
||
|
|
$this->text_url();
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the values for the `file` field type from the data being saved.
|
||
|
|
*
|
||
|
|
* @since 2.2.0
|
||
|
|
*
|
||
|
|
* @param mixed $id_key ID key to use.
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function _get_group_file_value_array( $id_key ) {
|
||
|
|
$alldata = $this->field->group->data_to_save;
|
||
|
|
$base_id = $this->field->group->_id();
|
||
|
|
$i = $this->field->group->index;
|
||
|
|
|
||
|
|
// Check group $alldata data.
|
||
|
|
$id_val = isset( $alldata[ $base_id ][ $i ][ $id_key ] )
|
||
|
|
? absint( $alldata[ $base_id ][ $i ][ $id_key ] )
|
||
|
|
: '';
|
||
|
|
|
||
|
|
// We don't want to save 0 to the DB for file fields.
|
||
|
|
if ( 0 === $id_val ) {
|
||
|
|
$id_val = '';
|
||
|
|
}
|
||
|
|
|
||
|
|
return array(
|
||
|
|
'value' => $this->text_url(),
|
||
|
|
'supporting_field_value' => $id_val,
|
||
|
|
'supporting_field_id' => $id_key,
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Peforms saving of `file` attachement's ID
|
||
|
|
*
|
||
|
|
* @since 1.1.0
|
||
|
|
*
|
||
|
|
* @param mixed $file_id_key ID key to use.
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
public function _save_file_id_value( $file_id_key ) {
|
||
|
|
$id_field = $this->_new_supporting_field( $file_id_key );
|
||
|
|
|
||
|
|
// Check standard data_to_save data.
|
||
|
|
$id_val = isset( $this->field->data_to_save[ $file_id_key ] )
|
||
|
|
? $this->field->data_to_save[ $file_id_key ]
|
||
|
|
: null;
|
||
|
|
|
||
|
|
// If there is no ID saved yet, try to get it from the url.
|
||
|
|
if ( $this->value && ! $id_val ) {
|
||
|
|
$id_val = CMB2_Utils::image_id_from_url( $this->value );
|
||
|
|
|
||
|
|
// If there is an ID but user emptied the input value, remove the ID.
|
||
|
|
} elseif ( ! $this->value && $id_val ) {
|
||
|
|
$id_val = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $id_field->save_field( $id_val );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Peforms saving of `text_datetime_timestamp_timezone` utc timestamp
|
||
|
|
*
|
||
|
|
* @since 2.2.0
|
||
|
|
*
|
||
|
|
* @param mixed $utc_key UTC key.
|
||
|
|
* @param mixed $utc_stamp UTC timestamp.
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
public function _save_utc_value( $utc_key, $utc_stamp ) {
|
||
|
|
return $this->_new_supporting_field( $utc_key )->save_field( $utc_stamp );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a new, supporting, CMB2_Field object based on a new field id.
|
||
|
|
*
|
||
|
|
* @since 2.2.0
|
||
|
|
*
|
||
|
|
* @param mixed $new_field_id New field ID.
|
||
|
|
* @return CMB2_Field
|
||
|
|
*/
|
||
|
|
public function _new_supporting_field( $new_field_id ) {
|
||
|
|
return $this->field->get_field_clone( array(
|
||
|
|
'id' => $new_field_id,
|
||
|
|
'sanitization_cb' => false,
|
||
|
|
) );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* If repeating, loop through and re-apply sanitization method
|
||
|
|
*
|
||
|
|
* @since 1.1.0
|
||
|
|
* @param string $method Class method.
|
||
|
|
* @param bool $repeat Whether repeating or not.
|
||
|
|
* @return mixed Sanitized value
|
||
|
|
*/
|
||
|
|
public function _check_repeat( $method, $repeat ) {
|
||
|
|
if ( $repeat || ! $this->field->args( 'repeatable' ) ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$values_array = $this->value;
|
||
|
|
|
||
|
|
$new_value = array();
|
||
|
|
foreach ( $values_array as $iterator => $this->value ) {
|
||
|
|
if ( $this->value ) {
|
||
|
|
$val = $this->$method( true );
|
||
|
|
if ( ! empty( $val ) ) {
|
||
|
|
$new_value[] = $val;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->value = $new_value;
|
||
|
|
|
||
|
|
return empty( $this->value ) ? null : $this->value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Determine if passed value is an empty array
|
||
|
|
*
|
||
|
|
* @since 2.0.6
|
||
|
|
* @param mixed $to_check Value to check.
|
||
|
|
* @return boolean Whether value is an array that's empty
|
||
|
|
*/
|
||
|
|
public function _is_empty_array( $to_check ) {
|
||
|
|
if ( is_array( $to_check ) ) {
|
||
|
|
$cleaned_up = array_filter( $to_check );
|
||
|
|
return empty( $cleaned_up );
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|