283 lines
6.6 KiB
PHP
283 lines
6.6 KiB
PHP
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<?php
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if ( ! class_exists( 'acf_field_range' ) ) :
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class acf_field_range extends acf_field_number {
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/*
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* initialize
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*
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* This function will setup the field type data
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*
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* @type function
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* @date 5/03/2014
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* @since 5.0.0
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*
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* @param n/a
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* @return n/a
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*/
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function initialize() {
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// vars
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$this->name = 'range';
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$this->label = __( 'Range', 'acf' );
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$this->description = __( 'An input for selecting a numerical value within a specified range using a range slider element.', 'acf' );
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$this->preview_image = acf_get_url() . '/assets/images/field-type-previews/field-preview-range.png';
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$this->doc_url = acf_add_url_utm_tags( 'https://www.advancedcustomfields.com/resources/range/', 'docs', 'field-type-selection' );
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$this->defaults = array(
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'default_value' => '',
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'min' => '',
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'max' => '',
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'step' => '',
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'prepend' => '',
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'append' => '',
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);
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}
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/*
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* render_field()
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*
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* Create the HTML interface for your field
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*
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* @param $field - an array holding all the field's data
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*
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* @type action
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* @since 3.6
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* @date 23/01/13
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*/
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function render_field( $field ) {
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// vars
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$atts = array();
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$keys = array( 'type', 'id', 'class', 'name', 'value', 'min', 'max', 'step' );
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$keys2 = array( 'readonly', 'disabled', 'required' );
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$html = '';
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// step
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if ( ! $field['step'] ) {
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$field['step'] = 1;
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}
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// min / max
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if ( ! $field['min'] ) {
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$field['min'] = 0;
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}
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if ( ! $field['max'] ) {
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$field['max'] = 100;
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}
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// allow for prev 'non numeric' value
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if ( ! is_numeric( $field['value'] ) ) {
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$field['value'] = 0;
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}
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// constrain within max and min
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$field['value'] = max( $field['value'], $field['min'] );
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$field['value'] = min( $field['value'], $field['max'] );
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// atts (value="123")
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foreach ( $keys as $k ) {
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if ( isset( $field[ $k ] ) ) {
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$atts[ $k ] = $field[ $k ];
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}
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}
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// atts2 (disabled="disabled")
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foreach ( $keys2 as $k ) {
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if ( ! empty( $field[ $k ] ) ) {
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$atts[ $k ] = $k;
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}
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}
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// remove empty atts
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$atts = acf_clean_atts( $atts );
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// open
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$html .= '<div class="acf-range-wrap">';
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// prepend
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if ( $field['prepend'] !== '' ) {
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$html .= '<div class="acf-prepend">' . acf_esc_html( $field['prepend'] ) . '</div>';
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}
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// range
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$html .= acf_get_text_input( $atts );
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// Calculate input width based on the largest possible input character length.
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// Also take into account the step size for decimal steps minus - 1.5 chars for leading "0.".
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$len = max(
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strlen( strval( $field['min'] ) ),
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strlen( strval( $field['max'] ) )
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);
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if ( floatval( $atts['step'] ) < 1 ) {
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$len += strlen( strval( $field['step'] ) ) - 1.5;
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}
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// input
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$html .= acf_get_text_input(
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array(
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'type' => 'number',
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'id' => $atts['id'] . '-alt',
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'value' => $atts['value'],
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'step' => $atts['step'],
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// 'min' => $atts['min'], // removed to avoid browser validation errors
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// 'max' => $atts['max'],
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'style' => 'width: ' . ( 1.8 + $len * 0.7 ) . 'em;',
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)
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);
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// append
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if ( $field['append'] !== '' ) {
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$html .= '<div class="acf-append">' . acf_esc_html( $field['append'] ) . '</div>';
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}
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// close
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$html .= '</div>';
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// return
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echo $html;
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}
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/*
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* render_field_settings()
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*
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* Create extra options for your field. This is rendered when editing a field.
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* The value of $field['name'] can be used (like bellow) to save extra data to the $field
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*
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* @type action
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* @since 3.6
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* @date 23/01/13
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*
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* @param $field - an array holding all the field's data
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*/
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function render_field_settings( $field ) {
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Default Value', 'acf' ),
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'instructions' => __( 'Appears when creating a new post', 'acf' ),
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'type' => 'number',
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'name' => 'default_value',
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)
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);
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}
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/**
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* Renders the field settings used in the "Validation" tab.
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*
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* @since 6.0
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*
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* @param array $field The field settings array.
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* @return void
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*/
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function render_field_validation_settings( $field ) {
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Minimum Value', 'acf' ),
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'instructions' => '',
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'type' => 'number',
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'name' => 'min',
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'placeholder' => '0',
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)
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);
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Maximum Value', 'acf' ),
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'instructions' => '',
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'type' => 'number',
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'name' => 'max',
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'placeholder' => '100',
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)
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);
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}
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/**
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* Renders the field settings used in the "Presentation" tab.
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*
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* @since 6.0
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*
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* @param array $field The field settings array.
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* @return void
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*/
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function render_field_presentation_settings( $field ) {
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Step Size', 'acf' ),
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'instructions' => '',
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'type' => 'number',
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'name' => 'step',
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'placeholder' => '1',
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)
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);
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Prepend', 'acf' ),
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'instructions' => __( 'Appears before the input', 'acf' ),
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'type' => 'text',
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'name' => 'prepend',
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)
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);
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acf_render_field_setting(
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$field,
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array(
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'label' => __( 'Append', 'acf' ),
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'instructions' => __( 'Appears after the input', 'acf' ),
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'type' => 'text',
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'name' => 'append',
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)
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);
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}
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/**
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* Return the schema array for the REST API.
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*
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* @param array $field
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* @return array
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*/
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public function get_rest_schema( array $field ) {
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$schema = array(
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'type' => array( 'number', 'null' ),
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'required' => ! empty( $field['required'] ),
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'minimum' => empty( $field['min'] ) ? 0 : (int) $field['min'],
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'maximum' => empty( $field['max'] ) ? 100 : (int) $field['max'],
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);
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if ( isset( $field['default_value'] ) && is_numeric( $field['default_value'] ) ) {
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$schema['default'] = (int) $field['default_value'];
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}
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return $schema;
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}
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/**
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* Apply basic formatting to prepare the value for default REST output.
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*
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* @param mixed $value
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* @param string|int $post_id
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* @param array $field
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* @return mixed
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*/
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public function format_value_for_rest( $value, $post_id, array $field ) {
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return acf_format_numerics( $value );
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}
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}
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// initialize
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acf_register_field_type( 'acf_field_range' );
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endif; // class_exists check
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