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<?php
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/**
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* Save settings.
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*
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* Functions to register, read, write and update settings.
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* Portions of this code have been inspired by Easy Digital Downloads, WordPress Settings Sandbox, etc.
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*
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* @link https://webberzone.com
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* @since 2.5.0
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*
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* @package Top 10
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* @subpackage Admin/Save_Settings
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*/
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// If this file is called directly, abort.
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if ( ! defined( 'WPINC' ) ) {
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die;
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}
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/**
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* Sanitize the form data being submitted.
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*
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* @since 2.5.0
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* @param array $input Input unclean array.
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* @return array Sanitized array
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*/
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function tptn_settings_sanitize( $input = array() ) {
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// First, we read the options collection.
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global $tptn_settings;
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// This should be set if a form is submitted, so let's save it in the $referrer variable.
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if ( empty( $_POST['_wp_http_referer'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing
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return $input;
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}
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parse_str( sanitize_text_field( wp_unslash( $_POST['_wp_http_referer'] ) ), $referrer ); // phpcs:ignore WordPress.Security.NonceVerification.Missing
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// Get the various settings we've registered.
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$settings = tptn_get_registered_settings();
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$settings_types = tptn_get_registered_settings_types();
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// Check if we need to set to defaults.
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$reset = isset( $_POST['settings_reset'] ); // phpcs:ignore WordPress.Security.NonceVerification.Missing
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if ( $reset ) {
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tptn_settings_reset();
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$tptn_settings = tptn_get_settings();
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add_settings_error( 'tptn-notices', '', __( 'Settings have been reset to their default values. Reload this page to view the updated settings', 'top-10' ), 'error' );
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// Flush rewrite rules.
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flush_rewrite_rules();
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return $tptn_settings;
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}
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// Get the tab. This is also our settings' section.
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$tab = isset( $referrer['tab'] ) ? $referrer['tab'] : 'general';
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$input = $input ? $input : array();
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/**
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* Filter the settings for the tab. e.g. tptn_settings_general_sanitize.
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*
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* @since 2.5.0
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* @param array $input Input unclean array
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*/
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$input = apply_filters( 'tptn_settings_' . $tab . '_sanitize', $input );
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// Create out output array by merging the existing settings with the ones submitted.
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$output = array_merge( $tptn_settings, $input );
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// Loop through each setting being saved and pass it through a sanitization filter.
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foreach ( $settings_types as $key => $type ) {
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/**
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* Skip settings that are not really settings.
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*
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* @since 2.5.0
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* @param array $non_setting_types Array of types which are not settings.
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*/
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$non_setting_types = apply_filters( 'tptn_non_setting_types', array( 'header', 'descriptive_text' ) );
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if ( in_array( $type, $non_setting_types, true ) ) {
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continue;
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}
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if ( array_key_exists( $key, $output ) ) {
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/**
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* Field type filter.
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*
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* @since 2.5.0
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* @param array $output[$key] Setting value.
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* @param array $key Setting key.
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*/
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$output[ $key ] = apply_filters( 'tptn_settings_sanitize_' . $type, $output[ $key ], $key );
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}
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/**
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* Field type filter for a specific key.
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*
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* @since 2.5.0
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* @param array $output[$key] Setting value.
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* @param array $key Setting key.
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*/
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$output[ $key ] = apply_filters( 'tptn_settings_sanitize' . $key, $output[ $key ], $key );
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// Delete any key that is not present when we submit the input array.
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if ( ! isset( $input[ $key ] ) ) {
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unset( $output[ $key ] );
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}
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// Delete any settings that are no longer part of our registered settings.
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if ( array_key_exists( $key, $output ) && ! array_key_exists( $key, $settings_types ) ) {
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unset( $output[ $key ] );
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}
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}
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// Flush rewrite rules.
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flush_rewrite_rules();
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add_settings_error( 'tptn-notices', '', __( 'Settings updated.', 'top-10' ), 'updated' );
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/**
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* Filter the settings array before it is returned.
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*
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* @since 2.5.0
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* @param array $output Settings array.
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* @param array $input Input settings array.
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*/
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return apply_filters( 'tptn_settings_sanitize', $output, $input );
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}
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/**
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* Sanitize text fields
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*
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* @since 2.5.0
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*
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* @param array $value The field value.
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* @return string $value Sanitized value
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*/
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function tptn_sanitize_text_field( $value ) {
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return tptn_sanitize_textarea_field( $value );
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}
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add_filter( 'tptn_settings_sanitize_text', 'tptn_sanitize_text_field' );
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/**
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* Sanitize number fields
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*
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* @since 2.5.0
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*
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* @param array $value The field value.
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* @return string $value Sanitized value
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*/
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function tptn_sanitize_number_field( $value ) {
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return filter_var( $value, FILTER_SANITIZE_NUMBER_INT );
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}
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add_filter( 'tptn_settings_sanitize_number', 'tptn_sanitize_number_field' );
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/**
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* Sanitize CSV fields
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*
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* @since 2.5.0
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*
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* @param array $value The field value.
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* @return string $value Sanitized value
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*/
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function tptn_sanitize_csv_field( $value ) {
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return implode( ',', array_map( 'trim', explode( ',', sanitize_text_field( wp_unslash( $value ) ) ) ) );
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}
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add_filter( 'tptn_settings_sanitize_csv', 'tptn_sanitize_csv_field' );
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/**
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* Sanitize CSV fields which hold numbers e.g. IDs
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*
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* @since 2.5.0
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*
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* @param array $value The field value.
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* @return string $value Sanitized value
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*/
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function tptn_sanitize_numbercsv_field( $value ) {
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return implode( ',', array_filter( array_map( 'absint', explode( ',', sanitize_text_field( wp_unslash( $value ) ) ) ) ) );
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}
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add_filter( 'tptn_settings_sanitize_numbercsv', 'tptn_sanitize_numbercsv_field' );
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/**
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* Sanitize textarea fields
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*
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* @since 2.5.0
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*
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* @param array $value The field value.
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* @return string $value Sanitized value
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*/
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function tptn_sanitize_textarea_field( $value ) {
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global $allowedposttags;
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// We need more tags to allow for script and style.
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$moretags = array(
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'script' => array(
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'type' => true,
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'src' => true,
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'async' => true,
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'defer' => true,
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'charset' => true,
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'lang' => true,
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),
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'style' => array(
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'type' => true,
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'media' => true,
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'scoped' => true,
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'lang' => true,
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),
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'link' => array(
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'rel' => true,
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'type' => true,
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'href' => true,
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'media' => true,
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'sizes' => true,
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'hreflang' => true,
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),
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);
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$allowedtags = array_merge( $allowedposttags, $moretags );
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/**
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* Filter allowed tags allowed when sanitizing text and textarea fields.
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*
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* @since 2.5.0
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*
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* @param array $allowedtags Allowed tags array.
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* @param array $value The field value.
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*/
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$allowedtags = apply_filters( 'tptn_sanitize_allowed_tags', $allowedtags, $value );
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return wp_kses( wp_unslash( $value ), $allowedtags );
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}
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add_filter( 'tptn_settings_sanitize_textarea', 'tptn_sanitize_textarea_field' );
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/**
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* Sanitize checkbox fields
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*
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* @since 2.5.0
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*
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* @param array $value The field value.
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* @return string|int $value Sanitized value
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*/
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function tptn_sanitize_checkbox_field( $value ) {
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$value = ( -1 === (int) $value ) ? 0 : 1;
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return $value;
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}
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add_filter( 'tptn_settings_sanitize_checkbox', 'tptn_sanitize_checkbox_field' );
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/**
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* Sanitize post_types fields
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*
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* @since 2.5.0
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*
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* @param array $value The field value.
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* @return string $value Sanitized value
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*/
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function tptn_sanitize_posttypes_field( $value ) {
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$post_types = is_array( $value ) ? array_map( 'sanitize_text_field', wp_unslash( $value ) ) : array( 'post' );
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return implode( ',', $post_types );
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}
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add_filter( 'tptn_settings_sanitize_posttypes', 'tptn_sanitize_posttypes_field' );
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/**
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* Sanitize taxonomies fields
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*
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* @since 3.0.0
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*
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* @param array $value The field value.
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* @return string $value Sanitized value
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*/
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function tptn_sanitize_taxonomies_field( $value ) {
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$taxonomies = is_array( $value ) ? array_map( 'sanitize_text_field', wp_unslash( $value ) ) : array();
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return implode( ',', $taxonomies );
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}
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add_filter( 'tptn_settings_sanitize_taxonomies', 'tptn_sanitize_taxonomies_field' );
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/**
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* Sanitize exclude_cat_slugs to save a new entry of exclude_categories
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*
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* @since 2.5.0
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*
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* @param array $settings Settings array.
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* @return string $settings Sanitizied settings array.
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*/
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function tptn_sanitize_exclude_cat( $settings ) {
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if ( isset( $settings['exclude_cat_slugs'] ) ) {
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$exclude_cat_slugs = array_unique( str_getcsv( $settings['exclude_cat_slugs'] ) );
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foreach ( $exclude_cat_slugs as $cat_name ) {
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$cat = get_term_by( 'name', $cat_name, 'category' );
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// Fall back to slugs since that was the default format before v2.4.0.
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if ( false === $cat ) {
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$cat = get_term_by( 'slug', $cat_name, 'category' );
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}
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if ( isset( $cat->term_taxonomy_id ) ) {
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$exclude_categories[] = $cat->term_taxonomy_id;
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$exclude_categories_slugs[] = $cat->name;
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}
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}
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$settings['exclude_categories'] = isset( $exclude_categories ) ? join( ',', $exclude_categories ) : '';
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$settings['exclude_cat_slugs'] = isset( $exclude_categories_slugs ) ? tptn_str_putcsv( $exclude_categories_slugs ) : '';
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}
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return $settings;
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}
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add_filter( 'tptn_settings_sanitize', 'tptn_sanitize_exclude_cat' );
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/**
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* Enable/disable Top 10 cron on save.
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*
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* @since 2.5.0
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*
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* @param array $settings Settings array.
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* @return string $settings Sanitizied settings array.
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*/
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function tptn_sanitize_cron( $settings ) {
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$settings['cron_hour'] = min( 23, absint( $settings['cron_hour'] ) );
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$settings['cron_min'] = min( 59, absint( $settings['cron_min'] ) );
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if ( ! empty( $settings['cron_on'] ) ) {
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tptn_enable_run( $settings['cron_hour'], $settings['cron_min'], $settings['cron_recurrence'] );
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} else {
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tptn_disable_run();
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}
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return $settings;
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}
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add_filter( 'tptn_settings_sanitize', 'tptn_sanitize_cron' );
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/**
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* Delete cache when saving settings.
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*
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* @since 2.5.0
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*
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* @param array $settings Settings array.
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* @return string $settings Sanitizied settings array.
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*/
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function tptn_sanitize_cache( $settings ) {
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// Delete the cache.
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tptn_cache_delete();
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return $settings;
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}
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add_filter( 'tptn_settings_sanitize', 'tptn_sanitize_cache' );
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