<?php

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if ( ! class_exists( 'DSM_Settings_API' ) ) :

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class DSM_Settings_API {

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/**

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* settings sections array

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*

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* @var array

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*/

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protected $settings_sections = array();

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/**

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* Settings fields array

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*

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* @var array

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*/

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protected $settings_fields = array();

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public function __construct() {

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add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );

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}

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/**

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* Enqueue scripts and styles

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*/

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function admin_enqueue_scripts() {

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wp_enqueue_style( 'wp-color-picker' );

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wp_enqueue_media();

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wp_enqueue_script( 'wp-color-picker' );

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wp_enqueue_script( 'jquery' );

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}

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/**

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* Set settings sections

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*

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* @param array $sections setting sections array

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*/

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function set_sections( $sections ) {

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$this->settings_sections = $sections;

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return $this;

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}

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/**

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* Add a single section

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*

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* @param array $section

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*/

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function add_section( $section ) {

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$this->settings_sections[] = $section;

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return $this;

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}

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/**

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* Set settings fields

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*

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* @param array $fields settings fields array

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*/

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function set_fields( $fields ) {

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$this->settings_fields = $fields;

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return $this;

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}

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function add_field( $section, $field ) {

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$defaults = array(

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'name' => '',

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'label' => '',

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'desc' => '',

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'type' => 'text',

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);

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$arg = wp_parse_args( $field, $defaults );

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$this->settings_fields[ $section ][] = $arg;

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return $this;

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}

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/**

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* Initialize and registers the settings sections and fileds to WordPress

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*

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* Usually this should be called at `admin_init` hook.

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*

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* This function gets the initiated settings sections and fields. Then

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* registers them to WordPress and ready for use.

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*/

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function admin_init() {

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//register settings sections

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foreach ( $this->settings_sections as $section ) {

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if ( false == get_option( $section['id'] ) ) {

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add_option( $section['id'] );

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}

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if ( isset( $section['desc'] ) && ! empty( $section['desc'] ) ) {

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$section['desc'] = '<div class="inside">' . $section['desc'] . '</div>';

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$callback = function() use ( $section ) {

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echo str_replace( '"', '\"', $section['desc'] );

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};

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} elseif ( isset( $section['callback'] ) ) {

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$callback = $section['callback'];

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} else {

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$callback = null;

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}

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add_settings_section( $section['id'], $section['title'], $callback, $section['id'] );

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}

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//register settings fields

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foreach ( $this->settings_fields as $section => $field ) {

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foreach ( $field as $option ) {

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$name = $option['name'];

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$type = isset( $option['type'] ) ? $option['type'] : 'text';

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$label = isset( $option['label'] ) ? $option['label'] : '';

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$callback = isset( $option['callback'] ) ? $option['callback'] : array( $this, 'callback_' . $type );

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$args = array(

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'id' => $name,

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'class' => isset( $option['class'] ) ? $option['class'] : $name,

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'label_for' => "{$section}[{$name}]",

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'desc' => isset( $option['desc'] ) ? $option['desc'] : '',

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'name' => $label,

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'section' => $section,

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'size' => isset( $option['size'] ) ? $option['size'] : null,

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'options' => isset( $option['options'] ) ? $option['options'] : '',

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'std' => isset( $option['default'] ) ? $option['default'] : '',

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'sanitize_callback' => isset( $option['sanitize_callback'] ) ? $option['sanitize_callback'] : '',

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'type' => $type,

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'placeholder' => isset( $option['placeholder'] ) ? $option['placeholder'] : '',

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'min' => isset( $option['min'] ) ? $option['min'] : '',

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'max' => isset( $option['max'] ) ? $option['max'] : '',

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'step' => isset( $option['step'] ) ? $option['step'] : '',

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);

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add_settings_field( "{$section}[{$name}]", $label, $callback, $section, $section, $args );

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}

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}

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// creates our settings in the options table

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foreach ( $this->settings_sections as $section ) {

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register_setting( $section['id'], $section['id'], array( $this, 'sanitize_options' ) );

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}

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}

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/**

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* Get field description for display

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*

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* @param array $args settings field args

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*/

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public function get_field_description( $args ) {

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if ( ! empty( $args['desc'] ) ) {

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$desc = sprintf( '<p class="description">%s</p>', $args['desc'] );

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} else {

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$desc = '';

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}

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return $desc;

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}

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/**

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* Displays a text field for a settings field

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*

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* @param array $args settings field args

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*/

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function callback_text( $args ) {

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$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );

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$size = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';

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$type = isset( $args['type'] ) ? $args['type'] : 'text';

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$placeholder = empty( $args['placeholder'] ) ? '' : ' placeholder="' . $args['placeholder'] . '"';

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$html = sprintf( '<input type="%1$s" class="%2$s-text" id="%3$s[%4$s]" name="%3$s[%4$s]" value="%5$s"%6$s/>', $type, $size, $args['section'], $args['id'], $value, $placeholder );

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$html .= $this->get_field_description( $args );

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echo $html;

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}

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/**

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* Displays a url field for a settings field

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*

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* @param array $args settings field args

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*/

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function callback_url( $args ) {

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$this->callback_text( $args );

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}

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/**

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* Displays a number field for a settings field

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*

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* @param array $args settings field args

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*/

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function callback_number( $args ) {

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$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );

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$size = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';

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$type = isset( $args['type'] ) ? $args['type'] : 'number';

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$placeholder = empty( $args['placeholder'] ) ? '' : ' placeholder="' . $args['placeholder'] . '"';

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$min = ( $args['min'] == '' ) ? '' : ' min="' . $args['min'] . '"';

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$max = ( $args['max'] == '' ) ? '' : ' max="' . $args['max'] . '"';

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$step = ( $args['step'] == '' ) ? '' : ' step="' . $args['step'] . '"';

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$html = sprintf( '<input type="%1$s" class="%2$s-number" id="%3$s[%4$s]" name="%3$s[%4$s]" value="%5$s"%6$s%7$s%8$s%9$s/>', $type, $size, $args['section'], $args['id'], $value, $placeholder, $min, $max, $step );

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$html .= $this->get_field_description( $args );

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echo $html;

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}

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/**

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* Displays a checkbox for a settings field

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*

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* @param array $args settings field args

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*/

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function callback_checkbox( $args ) {

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$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );

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$html = '<fieldset>';

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$html .= sprintf( '<label for="dsm-%1$s[%2$s]">', $args['section'], $args['id'] );

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$html .= sprintf( '<input type="hidden" name="%1$s[%2$s]" value="off" />', $args['section'], $args['id'] );

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$html .= sprintf( '<input type="checkbox" class="checkbox" id="dsm-%1$s[%2$s]" name="%1$s[%2$s]" value="on" %3$s /><span class="dsm-settings-slider dsm-settings-round"></span></label><br>', $args['section'], $args['id'], checked( $value, 'on', false ) );

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$html .= $this->get_field_description( $args );

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$html .= '</fieldset>';

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echo $html;

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}

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/**

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* Displays a multicheckbox for a settings field

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*

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* @param array $args settings field args

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*/

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function callback_multicheck( $args ) {

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$value = $this->get_option( $args['id'], $args['section'], $args['std'] );

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$html = '<fieldset>';

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$html .= sprintf( '<input type="hidden" name="%1$s[%2$s]" value="" />', $args['section'], $args['id'] );

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foreach ( $args['options'] as $key => $label ) {

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$checked = isset( $value[ $key ] ) ? $value[ $key ] : '0';

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$html .= sprintf( '<label for="wpuf-%1$s[%2$s][%3$s]">', $args['section'], $args['id'], $key );

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$html .= sprintf( '<input type="checkbox" class="checkbox" id="wpuf-%1$s[%2$s][%3$s]" name="%1$s[%2$s][%3$s]" value="%3$s" %4$s />', $args['section'], $args['id'], $key, checked( $checked, $key, false ) );

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$html .= sprintf( '%1$s</label><br>', $label );

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}

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$html .= $this->get_field_description( $args );

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$html .= '</fieldset>';

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echo $html;

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}

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/**

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* Displays a radio button for a settings field

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*

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* @param array $args settings field args

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*/

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function callback_radio( $args ) {

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$value = $this->get_option( $args['id'], $args['section'], $args['std'] );

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$html = '<fieldset>';

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foreach ( $args['options'] as $key => $label ) {

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$html .= sprintf( '<label for="wpuf-%1$s[%2$s][%3$s]">', $args['section'], $args['id'], $key );

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$html .= sprintf( '<input type="radio" class="radio" id="wpuf-%1$s[%2$s][%3$s]" name="%1$s[%2$s]" value="%3$s" %4$s />', $args['section'], $args['id'], $key, checked( $value, $key, false ) );

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$html .= sprintf( '%1$s</label><br>', $label );

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}

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$html .= $this->get_field_description( $args );

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$html .= '</fieldset>';

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echo $html;

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}

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/**

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* Displays a selectbox for a settings field

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*

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* @param array $args settings field args

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*/

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function callback_select( $args ) {

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$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );

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$size = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';

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$html = sprintf( '<select class="%1$s" name="%2$s[%3$s]" id="%2$s[%3$s]">', $size, $args['section'], $args['id'] );

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foreach ( $args['options'] as $key => $label ) {

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$html .= sprintf( '<option value="%s"%s>%s</option>', $key, selected( $value, $key, false ), $label );

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}

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$html .= sprintf( '</select>' );

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$html .= $this->get_field_description( $args );

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echo $html;

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}

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/**

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* Displays a textarea for a settings field

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*

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* @param array $args settings field args

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*/

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function callback_textarea( $args ) {

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$value = esc_textarea( $this->get_option( $args['id'], $args['section'], $args['std'] ) );

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$size = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';

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$placeholder = empty( $args['placeholder'] ) ? '' : ' placeholder="' . $args['placeholder'] . '"';

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$html = sprintf( '<textarea rows="5" cols="55" class="%1$s-text" id="%2$s[%3$s]" name="%2$s[%3$s]"%4$s>%5$s</textarea>', $size, $args['section'], $args['id'], $placeholder, $value );

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$html .= $this->get_field_description( $args );

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echo $html;

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}

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/**

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* Displays the html for a settings field

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*

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* @param array $args settings field args

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* @return string

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*/

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function callback_html( $args ) {

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echo $this->get_field_description( $args );

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}

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/**

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* Displays a rich text textarea for a settings field

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*

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* @param array $args settings field args

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*/

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function callback_wysiwyg( $args ) {

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$value = $this->get_option( $args['id'], $args['section'], $args['std'] );

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$size = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : '500px';

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echo '<div style="max-width: ' . $size . ';">';

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$editor_settings = array(

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'teeny' => true,

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'textarea_name' => $args['section'] . '[' . $args['id'] . ']',

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'textarea_rows' => 10,

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);

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if ( isset( $args['options'] ) && is_array( $args['options'] ) ) {

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$editor_settings = array_merge( $editor_settings, $args['options'] );

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}

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wp_editor( $value, $args['section'] . '-' . $args['id'], $editor_settings );

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echo '</div>';

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echo $this->get_field_description( $args );

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}

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/**

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* Displays a file upload field for a settings field

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*

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* @param array $args settings field args

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*/

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function callback_file( $args ) {

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$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );

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$size = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';

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$id = $args['section'] . '[' . $args['id'] . ']';

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$label = isset( $args['options']['button_label'] ) ? $args['options']['button_label'] : __( 'Choose File' );

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$html = sprintf( '<input type="text" class="%1$s-text dsm-url" id="%2$s[%3$s]" name="%2$s[%3$s]" value="%4$s"/>', $size, $args['section'], $args['id'], $value );

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$html .= '<input type="button" class="button dsm-browse" value="' . $label . '" />';

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$html .= $this->get_field_description( $args );

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echo $html;

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}

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/**

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* Displays a password field for a settings field

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*

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* @param array $args settings field args

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*/

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function callback_password( $args ) {

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$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );

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$size = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';

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$html = sprintf( '<input type="password" class="%1$s-text" id="%2$s[%3$s]" name="%2$s[%3$s]" value="%4$s"/>', $size, $args['section'], $args['id'], $value );

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$html .= $this->get_field_description( $args );

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echo $html;

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}

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/**

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* Displays a color picker field for a settings field

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*

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* @param array $args settings field args

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*/

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function callback_color( $args ) {

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$value = esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) );

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$size = isset( $args['size'] ) && ! is_null( $args['size'] ) ? $args['size'] : 'regular';

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$html = sprintf( '<input type="text" class="%1$s-text wp-color-picker-field" id="%2$s[%3$s]" name="%2$s[%3$s]" value="%4$s" data-default-color="%5$s" />', $size, $args['section'], $args['id'], $value, $args['std'] );

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$html .= $this->get_field_description( $args );

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echo $html;

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}

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/**

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* Displays a select box for creating the pages select box

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*

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* @param array $args settings field args

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*/

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function callback_pages( $args ) {

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$dropdown_args = array(

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'selected' => esc_attr( $this->get_option( $args['id'], $args['section'], $args['std'] ) ),

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'name' => $args['section'] . '[' . $args['id'] . ']',

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'id' => $args['section'] . '[' . $args['id'] . ']',

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'echo' => 0,

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);

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$html = wp_dropdown_pages( $dropdown_args );

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echo $html;

[416] Fix | Delete

}

[417] Fix | Delete

[418] Fix | Delete

/**

[419] Fix | Delete

* Sanitize callback for Settings API

[420] Fix | Delete

*

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* @return mixed

[422] Fix | Delete

*/

[423] Fix | Delete

function sanitize_options( $options ) {

[424] Fix | Delete

[425] Fix | Delete

if ( ! $options ) {

[426] Fix | Delete

return $options;

[427] Fix | Delete

}

[428] Fix | Delete

[429] Fix | Delete

foreach ( $options as $option_slug => $option_value ) {

[430] Fix | Delete

$sanitize_callback = $this->get_sanitize_callback( $option_slug );

[431] Fix | Delete

[432] Fix | Delete

// If callback is set, call it

[433] Fix | Delete

if ( $sanitize_callback ) {

[434] Fix | Delete

$options[ $option_slug ] = call_user_func( $sanitize_callback, $option_value );

[435] Fix | Delete

continue;

[436] Fix | Delete

}

[437] Fix | Delete

}

[438] Fix | Delete

[439] Fix | Delete

return $options;

[440] Fix | Delete

}

[441] Fix | Delete

[442] Fix | Delete

/**

[443] Fix | Delete

* Get sanitization callback for given option slug

[444] Fix | Delete

*

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* @param string $slug option slug

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*

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* @return mixed string or bool false

[448] Fix | Delete

*/

[449] Fix | Delete

function get_sanitize_callback( $slug = '' ) {

[450] Fix | Delete

if ( empty( $slug ) ) {

[451] Fix | Delete

return false;

[452] Fix | Delete

}

[453] Fix | Delete

[454] Fix | Delete

// Iterate over registered fields and see if we can find proper callback

[455] Fix | Delete

foreach ( $this->settings_fields as $section => $options ) {

[456] Fix | Delete

foreach ( $options as $option ) {

[457] Fix | Delete

if ( $option['name'] != $slug ) {

[458] Fix | Delete

continue;

[459] Fix | Delete

}

[460] Fix | Delete

[461] Fix | Delete

// Return the callback name

[462] Fix | Delete

return isset( $option['sanitize_callback'] ) && is_callable( $option['sanitize_callback'] ) ? $option['sanitize_callback'] : false;

[463] Fix | Delete

}

[464] Fix | Delete

}

[465] Fix | Delete

[466] Fix | Delete

return false;

[467] Fix | Delete

}

[468] Fix | Delete

[469] Fix | Delete

/**

[470] Fix | Delete

* Get the value of a settings field

[471] Fix | Delete

*

[472] Fix | Delete

* @param string $option settings field name

[473] Fix | Delete

* @param string $section the section name this field belongs to

[474] Fix | Delete

* @param string $default default text if it's not found

[475] Fix | Delete

* @return string

[476] Fix | Delete

*/

[477] Fix | Delete

function get_option( $option, $section, $default = '' ) {

[478] Fix | Delete

[479] Fix | Delete

$options = get_option( $section );

[480] Fix | Delete

[481] Fix | Delete

if ( isset( $options[ $option ] ) ) {

[482] Fix | Delete

return $options[ $option ];

[483] Fix | Delete

}

[484] Fix | Delete

[485] Fix | Delete

return $default;

[486] Fix | Delete

}

[487] Fix | Delete

[488] Fix | Delete

/**

[489] Fix | Delete

* Show navigations as tab

[490] Fix | Delete

*

[491] Fix | Delete

* Shows all the settings section labels as tab

[492] Fix | Delete

*/

[493] Fix | Delete

function show_navigation() {

[494] Fix | Delete

$html = '<h2 class="nav-tab-wrapper">';

[495] Fix | Delete

[496] Fix | Delete

$count = count( $this->settings_sections );

[497] Fix | Delete

[498] Fix | Delete

// don't show the navigation if only one section exists

[499] Fix | Delete