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250 lines
8.1 KiB
250 lines
8.1 KiB
<?php
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/**
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* Sanitize field value before saving.
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*/
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class RWMB_Sanitizer {
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public function init() {
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add_filter( 'rwmb_sanitize', [ $this, 'sanitize' ], 10, 4 );
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}
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/**
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* Sanitize a field value.
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*
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* @param mixed $value The submitted new value.
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* @param array $field The field settings.
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* @param mixed $old_value The old field value in the database.
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* @param int $object_id The object ID.
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*/
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public function sanitize( $value, $field, $old_value = null, $object_id = null ) {
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// Allow developers to bypass the sanitization.
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if ( 'none' === $field['sanitize_callback'] ) {
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return $value;
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}
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$callback = $this->get_callback( $field );
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return is_callable( $callback ) ? call_user_func( $callback, $value, $field, $old_value, $object_id ) : $value;
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}
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/**
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* Get sanitize callback for a field.
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*
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* @param array $field Field settings.
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* @return callable
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*/
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private function get_callback( $field ) {
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// User-defined callback.
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if ( is_callable( $field['sanitize_callback'] ) ) {
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return $field['sanitize_callback'];
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}
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$callbacks = [
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'autocomplete' => [ $this, 'sanitize_choice' ],
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'background' => [ $this, 'sanitize_background' ],
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'button_group' => [ $this, 'sanitize_choice' ],
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'checkbox' => [ $this, 'sanitize_checkbox' ],
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'checkbox_list' => [ $this, 'sanitize_choice' ],
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'color' => [ $this, 'sanitize_color' ],
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'date' => [ $this, 'sanitize_datetime' ],
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'datetime' => [ $this, 'sanitize_datetime' ],
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'email' => 'sanitize_email',
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'fieldset_text' => [ $this, 'sanitize_text' ],
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'file' => [ $this, 'sanitize_file' ],
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'file_advanced' => [ $this, 'sanitize_object' ],
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'file_input' => [ $this, 'sanitize_url' ],
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'file_upload' => [ $this, 'sanitize_object' ],
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'hidden' => 'sanitize_text_field',
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'image' => [ $this, 'sanitize_file' ],
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'image_advanced' => [ $this, 'sanitize_object' ],
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'image_select' => [ $this, 'sanitize_choice' ],
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'image_upload' => [ $this, 'sanitize_object' ],
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'key_value' => [ $this, 'sanitize_text' ],
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'map' => [ $this, 'sanitize_map' ],
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'number' => [ $this, 'sanitize_number' ],
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'oembed' => [ $this, 'sanitize_url' ],
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'osm' => [ $this, 'sanitize_map' ],
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'password' => 'sanitize_text_field',
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'post' => [ $this, 'sanitize_object' ],
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'radio' => [ $this, 'sanitize_choice' ],
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'range' => [ $this, 'sanitize_number' ],
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'select' => [ $this, 'sanitize_choice' ],
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'select_advanced' => [ $this, 'sanitize_choice' ],
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'sidebar' => [ $this, 'sanitize_text' ],
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'single_image' => 'absint',
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'slider' => [ $this, 'sanitize_slider' ],
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'switch' => [ $this, 'sanitize_checkbox' ],
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'taxonomy' => [ $this, 'sanitize_object' ],
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'taxonomy_advanced' => [ $this, 'sanitize_taxonomy_advanced' ],
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'text' => 'sanitize_text_field',
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'text_list' => [ $this, 'sanitize_text' ],
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'textarea' => 'wp_kses_post',
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'time' => 'sanitize_text_field',
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'url' => [ $this, 'sanitize_url' ],
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'user' => [ $this, 'sanitize_object' ],
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'video' => [ $this, 'sanitize_object' ],
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'wysiwyg' => 'wp_kses_post',
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];
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$type = $field['type'];
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return $callbacks[ $type ] ?? null;
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}
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/**
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* Set the value of checkbox to 1 or 0 instead of 'checked' and empty string.
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* This prevents using default value once the checkbox has been unchecked.
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*
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* @link https://github.com/rilwis/meta-box/issues/6
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* @param string $value Checkbox value.
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*/
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private function sanitize_checkbox( $value ): int {
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return (int) ! empty( $value );
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}
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/**
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* Sanitize numeric value.
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*
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* @param string $value The number value.
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* @return string
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*/
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private function sanitize_number( $value ) {
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return is_numeric( $value ) ? $value : '';
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}
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private function sanitize_color( string $value ): string {
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if ( str_contains( $value, 'hsl' ) ) {
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return wp_unslash( $value );
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}
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if ( ! str_contains( $value, 'rgb' ) ) {
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return sanitize_hex_color( $value );
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}
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// rgba value.
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$red = '';
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$green = '';
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$blue = '';
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$alpha = 1;
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if ( str_contains( $value, 'rgba' ) ) {
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sscanf( $value, 'rgba(%d,%d,%d,%f)', $red, $green, $blue, $alpha );
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} else {
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sscanf( $value, 'rgb(%d,%d,%d)', $red, $green, $blue );
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}
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return 'rgba(' . $red . ',' . $green . ',' . $blue . ',' . $alpha . ')';
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}
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/**
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* Sanitize value for a choice field.
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*
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* @param string|array $value The submitted value.
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* @param array $field The field settings.
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* @return string|array
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*/
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private function sanitize_choice( $value, $field ) {
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$options = RWMB_Choice_Field::transform_options( $field['options'] );
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$options = wp_list_pluck( $options, 'value' );
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$value = wp_unslash( $value );
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return is_array( $value ) ? array_intersect( $value, $options ) : ( in_array( $value, $options ) ? $value : '' );
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}
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/**
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* Sanitize object & media field.
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*
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* @param int|array $value The submitted value.
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* @return int|array
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*/
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private function sanitize_object( $value ) {
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return is_array( $value ) ? array_filter( array_map( 'absint', $value ) ) : ( $value ? absint( $value ) : '' );
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}
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/**
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* Sanitize background field.
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*
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* @param array $value The submitted value.
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* @return array
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*/
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private function sanitize_background( $value ) {
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$value = wp_parse_args( $value, [
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'color' => '',
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'image' => '',
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'repeat' => '',
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'attachment' => '',
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'position' => '',
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'size' => '',
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] );
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$value['color'] = $this->sanitize_color( $value['color'] );
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$value['image'] = esc_url_raw( $value['image'] );
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$value['repeat'] = in_array( $value['repeat'], [ 'no-repeat', 'repeat', 'repeat-x', 'repeat-y', 'inherit' ], true ) ? $value['repeat'] : '';
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$value['position'] = in_array( $value['position'], [ 'top left', 'top center', 'top right', 'center left', 'center center', 'center right', 'bottom left', 'bottom center', 'bottom right' ], true ) ? $value['position'] : '';
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$value['attachment'] = in_array( $value['attachment'], [ 'fixed', 'scroll', 'inherit' ], true ) ? $value['attachment'] : '';
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$value['size'] = in_array( $value['size'], [ 'inherit', 'cover', 'contain' ], true ) ? $value['size'] : '';
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return $value;
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}
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/**
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* Sanitize text field.
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*
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* @param string|array $value The submitted value.
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* @return string|array
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*/
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private function sanitize_text( $value ) {
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return is_array( $value ) ? array_map( __METHOD__, $value ) : sanitize_text_field( $value );
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}
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/**
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* Sanitize file, image field.
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*
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* @param array $value The submitted value.
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* @param array $field The field settings.
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* @return array
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*/
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private function sanitize_file( $value, $field ) {
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return $field['upload_dir'] ? array_map( 'esc_url_raw', $value ) : $this->sanitize_object( $value );
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}
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/**
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* Sanitize slider field.
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*
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* @param mixed $value The submitted value.
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* @param array $field The field settings.
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* @return string|int|float
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*/
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private function sanitize_slider( $value, $field ) {
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return true === $field['js_options']['range'] ? sanitize_text_field( $value ) : $this->sanitize_number( $value );
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}
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/**
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* Sanitize datetime field.
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*
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* @param mixed $value The submitted value.
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* @param array $field The field settings.
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* @return float|string
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*/
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private function sanitize_datetime( $value, $field ) {
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return $field['timestamp'] ? (float) $value : sanitize_text_field( $value );
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}
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private function sanitize_map( $value ): string {
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$value = sanitize_text_field( $value );
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list( $latitude, $longitude, $zoom ) = explode( ',', $value . ',,' );
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$latitude = (float) $latitude;
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$longitude = (float) $longitude;
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$zoom = (int) $zoom;
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return "$latitude,$longitude,$zoom";
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}
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private function sanitize_taxonomy_advanced( $value ): string {
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return implode( ',', wp_parse_id_list( $value ) );
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}
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private function sanitize_url( string $value ): string {
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return esc_url_raw( $value );
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}
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}
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