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<?php
/**
* Settings Validator
*
* This file defines the function that validates the theme's options
* upon submission.
*/
function graphene_settings_validator( $input ){
global $graphene_options_validated;
if ( $graphene_options_validated == true ) return $input;
if ( !isset( $_POST['graphene_uninstall'] ) ) {
global $graphene_defaults, $allowedposttags;
// Add <script> and <ins> tags to the allowed tags in code
$allowedposttags = array_merge( $allowedposttags, array( 'script' => array( 'type' => array(), 'src' => array() ), 'ins' => array( 'class'=>array(), 'id'=>array(), 'style'=>array(), 'title'=>array(), 'data-ad-client'=>array(), 'data-ad-slot'=>array(), 'alt'=>array() ) ) );
if (isset( $_POST['graphene_general'] ) ) {
/* =Slider Options
--------------------------------------------------------------------------------------*/
// Slider category
if ( isset( $input['slider_type'] ) && !in_array( $input['slider_type'], array( 'latest_posts', 'random', 'posts_pages', 'categories' ) ) ){
unset( $input['slider_type'] );
add_settings_error( 'graphene_options', 2, __( 'ERROR: Invalid category to show in slider.', 'graphene' ) );
} elseif ( $input['slider_type'] == 'posts_pages' && empty ( $input['slider_specific_posts'] ) ) {
unset( $input['slider_type'] );
add_settings_error( 'graphene_options', 2, __( 'ERROR: You must specify the posts/pages to be displayed when you have "Show specific posts/pages" selected for the slider.', 'graphene' ) );
} elseif ( $input['slider_type'] == 'categories' && empty ( $input['slider_specific_categories'] ) ) {
unset( $input['slider_type'] );
add_settings_error( 'graphene_options', 2, __( 'ERROR: You must have selected at least one category when you have "Show posts from categories" selected for the slider.', 'graphene' ) );
}
// Posts and/or pages to display
if (isset( $input['slider_type'] ) && $input['slider_type'] == 'posts_pages' && isset( $input['slider_specific_posts'] ) ) {
$input['slider_specific_posts'] = str_replace( ' ', '', $input['slider_specific_posts'] );
}
// Categories to display posts from
if (isset( $input['slider_type'] ) && $input['slider_type'] == 'categories' && isset( $input['slider_specific_categories'] ) && is_array( $input['slider_specific_categories'] ) ){
if ( in_array ( false, array_map( 'ctype_digit', (array) $input['slider_specific_categories'] ) ) ) {
unset( $input['slider_specific_categories'] );
add_settings_error( 'graphene_options', 2, __( 'ERROR: Invalid category selected for the slider categories.', 'graphene' ) );
}
}
// Exclude categories from posts listing
$input = graphene_validate_dropdown( $input, 'slider_exclude_categories', array( 'disabled', 'homepage', 'everywhere' ), __( 'ERROR: Invalid option for the slider categories exclusion from posts listing is specified.', 'graphene' ) );
// Display posts from categories in random order
$input['slider_random_category_posts'] = (isset( $input['slider_random_category_posts'] ) ) ? true : false;
// Number of posts to display
if ( !empty( $input['slider_postcount'] ) && !ctype_digit( $input['slider_postcount'] ) ){
unset( $input['slider_postcount'] );
add_settings_error( 'graphene_options', 2, __( 'ERROR: The number of posts to displayed in the slider must be a an integer value.', 'graphene' ) );
}
// Slider image
$input = graphene_validate_dropdown( $input, 'slider_img', array( 'disabled', 'featured_image', 'post_image', 'custom_url' ), __( 'ERROR: Invalid option for the slider image is specified.', 'graphene' ) );
// Custom slider image URL
$input = graphene_validate_url( $input, 'slider_imgurl', __( 'ERROR: Bad URL entered for the custom slider image URL.', 'graphene' ) );
// Slider display style
$input = graphene_validate_dropdown( $input, 'slider_display_style', array( 'thumbnail-excerpt', 'bgimage-excerpt', 'full-post' ), __( 'ERROR: Invalid option for the slider display style is specified.', 'graphene' ) );
// Slider height
$input = graphene_validate_digits( $input, 'slider_height', __( 'ERROR: The value for slider height must be an integer.', 'graphene' ) );
// Slider speed
$input = graphene_validate_digits( $input, 'slider_speed', __( 'ERROR: The value for slider speed must be an integer.', 'graphene' ) );
// Slider transition speed
$input = graphene_validate_digits( $input, 'slider_trans_speed', __( 'ERROR: The value for slider transition speed must be an integer.', 'graphene' ) );
// Slider animation
$input = graphene_validate_dropdown( $input, 'slider_animation', array( 'horizontal-slide', 'vertical-slide', 'fade', 'none' ), __( 'ERROR: Invalid slider animation.', 'graphene' ) );
// Slider position
$input['slider_position'] = (isset( $input['slider_position'] ) ) ? true : false;
// Slider disable switch
$input['slider_disable'] = (isset( $input['slider_disable'] ) ) ? true : false;
// Slider full width
$input['slider_full_width'] = (isset( $input['slider_full_width'] ) ) ? true : false;
/* =Infinite Scroll Options
--------------------------------------------------------------------------------------*/
$input['inf_scroll_enable'] = ( isset( $input['inf_scroll_enable'] ) ) ? true : false;
$input['inf_scroll_click'] = ( isset( $input['inf_scroll_click'] ) ) ? true : false;
$input['inf_scroll_comments'] = ( isset( $input['inf_scroll_comments'] ) ) ? true : false;
/* =Front Page Options
--------------------------------------------------------------------------------------*/
if ( ! empty( $input['frontpage_posts_cats'] ) ) {
if ( in_array ( false, array_map( 'ctype_digit', (array) $input['frontpage_posts_cats'] ) ) ) {
unset( $input['frontpage_posts_cats'] );
add_settings_error( 'graphene_options', 2, __( 'ERROR: Invalid category selected for the front page posts categories.', 'graphene' ) );
}
} else {
$input['frontpage_posts_cats'] = $graphene_defaults['frontpage_posts_cats'];
}
/* =Homepage Panes
--------------------------------------------------------------------------------------*/
// Type of content to show
$input = graphene_validate_dropdown( $input, 'show_post_type', array( 'latest-posts', 'cat-latest-posts', 'posts' ), __( 'ERROR: Invalid option for the type of content to show in homepage panes.', 'graphene' ) );
// Number of latest posts to display
$input = graphene_validate_digits( $input, 'homepage_panes_count', __( 'ERROR: The value for the number of latest posts to display in homepage panes must be an integer.', 'graphene' ) );
if ( isset( $input['show_post_type'] ) ) {
// Categories to show latest posts from
if ( $input['show_post_type'] == 'cat-latest-posts' && isset( $input['homepage_panes_cat'] ) && is_array( $input['homepage_panes_cat'] ) ) {
if ( in_array ( false, array_map( 'ctype_digit', (array) $input['homepage_panes_cat'] ) ) ) {
unset( $input['slider_specific_categories'] );
add_settings_error( 'graphene_options', 2, __( 'ERROR: Invalid category selected for the latest posts to show from in the homepage panes.', 'graphene' ) );
}
}
// Posts and/or pages to display
if ( $input['show_post_type'] == 'posts' && isset( $input['homepage_panes_posts'] ) ) {
$input['homepage_panes_posts'] = str_replace( ' ', '', $input['homepage_panes_posts'] );
}
}
// Disable switch
$input['disable_homepage_panes'] = (isset( $input['disable_homepage_panes'] ) ) ? true : false;
/* =Comments Options
--------------------------------------------------------------------------------------*/
$input = graphene_validate_dropdown( $input, 'comments_setting', array( 'wordpress', 'disabled_pages', 'disabled_completely' ), __( 'ERROR: Invalid option for the comments option.', 'graphene' ) );
/* =Child Page Options
--------------------------------------------------------------------------------------*/
// Hide parent box if content is empty
$input['hide_parent_content_if_empty'] = (isset( $input['hide_parent_content_if_empty'] ) ) ? true : false;
// Child page listing
$input = graphene_validate_dropdown( $input, 'child_page_listing', array( 'hide', 'show_always', 'show_if_parent_empty' ), __( 'ERROR: Invalid option for the child page listings.', 'graphene' ) );
/* = RSS Feed Options
--------------------------------------------------------------------------------------*/
// Use a custom RSS feed
$input['use_custom_rss_feed'] = (isset( $input['use_custom_rss_feed'] ) ) ? true : false;
// Child page listing
if ( $input['use_custom_rss_feed'] && empty ( $input['custom_rss_feed_url'] ) ) {
unset( $input['slider_type'] );
add_settings_error( 'graphene_options', 2, __( 'ERROR: You must supply an URL for the custom RSS Feed.', 'graphene' ) );
} else {
$input = graphene_validate_url( $input, 'custom_rss_feed_url', __( 'ERROR: Bad URL entered for the custom RSS Feed URL.', 'graphene' ) );
}
/* =Widget Area Options
--------------------------------------------------------------------------------------*/
$input['enable_header_widget'] = (isset( $input['enable_header_widget'] ) ) ? true : false;
$input['alt_home_sidebar'] = (isset( $input['alt_home_sidebar'] ) ) ? true : false;
$input['alt_home_footerwidget'] = (isset( $input['alt_home_footerwidget'] ) ) ? true : false;
/* =Top Bar Options
--------------------------------------------------------------------------------------*/
// Hide top bar
$input['hide_top_bar'] = (isset( $input['hide_top_bar'] ) ) ? true : false;
// Open in new window
$input['social_media_new_window'] = (isset( $input['social_media_new_window'] ) ) ? true : false;
/* Social profiles */
$social_profiles = ( ! empty( $input['social_profiles'] ) ) ? $input['social_profiles'] : array();
if ( ! empty( $social_profiles ) ){
$ix = 0;
unset( $input['social_profiles'] );
foreach ( $social_profiles as $social_icon ){
if ( ! empty( $social_icon['type'] ) ){
$input['social_profiles'][$ix]['type'] = $social_icon['type'];
$input['social_profiles'][$ix]['name'] = $social_icon['name'];
$input['social_profiles'][$ix]['title'] = esc_attr( $social_icon['title'] );
$social_icon['url'] = esc_url_raw( $social_icon['url'] );
if ( empty( $social_icon['url'] ) && $social_icon['type'] != 'rss' ){
add_settings_error( 'graphene_options', 2, sprintf( __( 'ERROR: Bad URL entered for the %s URL.', 'graphene' ), $social_icon['name'] ) );
} else {
$input['social_profiles'][$ix]['url'] = $social_icon['url'];
}
if ( $social_icon['type'] == 'custom' ){
$input['social_profiles'][$ix]['icon_url'] = $social_icon['icon_url'];
}
$ix++;
}
}
} else {
$input['social_profiles'] = array( 0 => false );
}
/* =Social Sharing Options
--------------------------------------------------------------------------------------*/
// Show social sharing button switch
$input['show_addthis'] = (isset( $input['show_addthis'] ) ) ? true : false;
// Show buttons in pages switch
$input['show_addthis_page'] = (isset( $input['show_addthis_page'] ) ) ? true : false;
// Show buttons in home and archive pages
$input['show_addthis_archive'] = (isset( $input['show_addthis_archive'] ) ) ? true : false;
// Social sharing buttons location
$input = graphene_validate_dropdown( $input, 'addthis_location', array( 'post-bottom', 'post-top', 'top-bottom' ), __( 'ERROR: Invalid option for the social sharing buttons location.', 'graphene' ) );
// Social sharing buttons code
$input['addthis_code'] = trim( stripslashes( $input['addthis_code'] ) );
/* =Adsense Options
--------------------------------------------------------------------------------------*/
// Show Adsense ads switch
$input['show_adsense'] = (isset( $input['show_adsense'] ) ) ? true : false;
// Show ads on front page switch
$input['adsense_show_frontpage'] = (isset( $input['adsense_show_frontpage'] ) ) ? true : false;
// Adsense code
$input['adsense_code'] = wp_kses_post( $input['adsense_code'] );
/* =Google Analytics Options
--------------------------------------------------------------------------------------*/
// Enable tracking switch
$input['show_ga'] = ( isset( $input['show_ga'] ) ) ? true : false;
// Tracking code
$input['ga_code'] = wp_kses_post( $input['ga_code'] );
/* =Footer Options
--------------------------------------------------------------------------------------*/
// Show creative common logo switch
$input['show_cc'] = (isset( $input['show_cc'] ) ) ? true : false;
// Copyright HTML
$input['copy_text'] = wp_kses_post( $input['copy_text'] );
// Hide copyright switch
$input['hide_copyright'] = (isset( $input['hide_copyright'] ) ) ? true : false;
// Hide "Return to top" link switch
$input['hide_return_top'] = (isset( $input['hide_return_top'] ) ) ? true : false;
/* =Print Options
--------------------------------------------------------------------------------------*/
// Enable print CSS switch
$input['print_css'] = (isset( $input['print_css'] ) ) ? true : false;
// Show print button switch
$input['print_button'] = (isset( $input['print_button'] ) ) ? true : false;
} // Ends the General options
if (isset( $_POST['graphene_display'] ) ) {
/* =Header Display Options
--------------------------------------------------------------------------------------*/
$input['light_header'] = (isset( $input['light_header'] ) ) ? true : false;
$input['link_header_img'] = (isset( $input['link_header_img'] ) ) ? true : false;
$input['featured_img_header'] = (isset( $input['featured_img_header'] ) ) ? true : false;
$input = graphene_validate_digits( $input, 'header_img_height', __( 'ERROR: The value for the header image height must be an integer.', 'graphene' ) );
$input = graphene_validate_dropdown( $input, 'search_box_location', array( 'top_bar', 'nav_bar', 'disabled' ), __( 'ERROR: Invalid option for the Search box location.', 'graphene' ) );
/* =Column Options
--------------------------------------------------------------------------------------*/
$input = graphene_validate_dropdown( $input, 'column_mode', array( 'one_column', 'two_col_left', 'two_col_right', 'three_col_left', 'three_col_right', 'three_col_center' ), __( 'ERROR: Invalid option for the column mode.', 'graphene' ) );
$input = graphene_validate_dropdown( $input, 'bbp_column_mode', array( 'one_column', 'two_col_left', 'two_col_right', 'three_col_left', 'three_col_right', 'three_col_center' ), __( 'ERROR: Invalid option for the bbPress column mode.', 'graphene' ) );
/* =Column Width Options
--------------------------------------------------------------------------------------*/
foreach( $input['column_width'] as $column_mode => $columns ){
foreach( $columns as $column => $width ){
$input = graphene_validate_column_width( $input, $column_mode, $column, sprintf( __( 'ERROR: Invalid width for %s. Width value must be positive number without units.', 'graphene' ), $column_mode . ' ' . $column ) );
}
}
/* =Post Display Options
--------------------------------------------------------------------------------------*/
$input['hide_post_author'] = (isset( $input['hide_post_author'] ) ) ? true : false;
$input = graphene_validate_dropdown( $input, 'post_date_display', array( 'hidden', 'icon_no_year', 'icon_plus_year', 'text' ), __( 'ERROR: Invalid option for the post date display.', 'graphene' ) );
$input['hide_post_cat'] = (isset( $input['hide_post_cat'] ) ) ? true : false;
$input['hide_post_tags'] = (isset( $input['hide_post_tags'] ) ) ? true : false;
$input['hide_post_commentcount'] = (isset( $input['hide_post_commentcount'] ) ) ? true : false;
$input['show_post_avatar'] = (isset( $input['show_post_avatar'] ) ) ? true : false;
$input['show_post_author'] = (isset( $input['show_post_author'] ) ) ? true : false;
/* =Excerpts Display Options
--------------------------------------------------------------------------------------*/
$input['posts_show_excerpt'] = (isset( $input['posts_show_excerpt'] ) ) ? true : false;
$input['archive_full_content'] = (isset( $input['archive_full_content'] ) ) ? true : false;
$input['show_excerpt_more'] = (isset( $input['show_excerpt_more'] ) ) ? true : false;
/* =Comments Display Options
--------------------------------------------------------------------------------------*/
$input['hide_allowedtags'] = (isset( $input['hide_allowedtags'] ) ) ? true : false;
/* =Text style options
--------------------------------------------------------------------------------------*/
$input['webfont_families'] = trim( str_replace( "'", '', strip_tags( $input['webfont_families'] ) ) );
/* =Footer Widget Display Options
--------------------------------------------------------------------------------------*/
// Number of columns to display
$input = graphene_validate_digits( $input, 'footerwidget_column', __( 'ERROR: The number of columns to be displayed in the footer widget must be a an integer value.', 'graphene' ) );
/* =Navigation Menu Display Options
--------------------------------------------------------------------------------------*/
$input = graphene_validate_digits( $input, 'navmenu_child_width', __( 'ERROR: The width of the submenu must be a an integer value.', 'graphene' ) );
$input['navmenu_home_desc'] = wp_kses_post( $input['navmenu_home_desc'] );
$input['disable_menu_desc'] = (isset( $input['disable_menu_desc'] ) ) ? true : false;
/* =Miscellaneous Display Options
--------------------------------------------------------------------------------------*/
$input['custom_site_title_frontpage'] = strip_tags( $input['custom_site_title_frontpage'] );
$input['custom_site_title_content'] = strip_tags( $input['custom_site_title_content'] );
$input = graphene_validate_url( $input, 'favicon_url', __( 'ERROR: Bad URL entered for the favicon URL.', 'graphene' ) );
$input['disable_editor_style'] = (isset( $input['disable_editor_style'] ) ) ? true : false;
/* =Custom CSS Options
--------------------------------------------------------------------------------------*/
$input['custom_css'] = strip_tags( $input['custom_css'] );
} // Ends the Display options
if ( isset( $_POST['graphene_colours'] ) ) {
/* =Colour Options
--------------------------------------------------------------------------------------*/
$input = graphene_validate_colours( $input );
} // Ends the Colours options
if ( isset( $_POST['graphene_advanced'] ) ) {
$input['head_tags'] = trim( $input['head_tags'] );
if ( isset( $input['widget_hooks'] ) && is_array( $input['widget_hooks'] ) ) {
if ( ! ( array_intersect( $input['widget_hooks'], graphene_get_action_hooks( true ) ) === $input['widget_hooks'] ) ) {
unset( $input['widget_hooks'] );
add_settings_error( 'graphene_options', 2, __( 'ERROR: Invalid action hook selected widget action hooks.', 'graphene' ) );
}
} else {
$input['widget_hooks'] = $graphene_defaults['widget_hooks'];
}
$input['disable_css_generate'] = ( isset( $input['disable_css_generate'] ) ) ? true : false;
} // Ends the Advanced options
$graphene_options_validated = true;
// Merge the new settings with the previous one (if exists) before saving
$input = array_merge( get_option( 'graphene_settings', array() ), (array) $input );
/* Only save options that have different values than the default values */
foreach ( $input as $key => $value ){
if ( ( $graphene_defaults[$key] === $value || $value === '' ) )
unset( $input[$key] );
}
if ( $input ) {
$input = array_merge( array( 'db_version' => $graphene_defaults['db_version'] ), $input );
} else {
delete_option( 'graphene_settings' );
return false;
}
} // Closes the uninstall conditional
return $input;
}
/**
* Define the data validation functions
*/
function graphene_validate_digits( $input, $option_name, $error_message ){
global $graphene_defaults;
if ( ! isset( $input[$option_name] ) ) return $input;
if ( ! empty( $input[$option_name] ) || '0' === $input[$option_name] ){
if ( !ctype_digit( $input[$option_name] ) ) {
$input[$option_name] = $graphene_defaults[$option_name];
add_settings_error( 'graphene_options', 2, $error_message);
}
} else {
$input[$option_name] = $graphene_defaults[$option_name];
}
return $input;
}
function graphene_validate_column_width( $input, $column_mode, $option_name, $error_message ){
global $graphene_defaults;
if ( '0' === $input['column_width'][$column_mode][$option_name] || ! empty( $input['column_width'][$column_mode][$option_name] ) ){
$width = $input['column_width'][$column_mode][$option_name];
if ( ! ( is_numeric( $width ) && $width >= 0 ) ) {
$input['column_width'] = $graphene_defaults['column_width'];
$input['container_width'] = $graphene_defaults['container_width'];
$input['grid_width'] = $graphene_defaults['grid_width'];
add_settings_error( 'graphene_options', 2, $error_message);
}
} else {
$input['column_width'] = $graphene_defaults['column_width'];
$input['container_width'] = $graphene_defaults['container_width'];
$input['grid_width'] = $graphene_defaults['grid_width'];
}
return $input;
}
function graphene_validate_dropdown( $input, $option_name, $possible_values, $error_message ){
if ( ! isset( $input[$option_name] ) ) return $input;
if ( ! in_array( $input[$option_name], $possible_values ) ){
unset( $input[$option_name] );
add_settings_error( 'graphene_options', 2, $error_message );
}
return $input;
}
function graphene_validate_url( $input, $option_name, $error_message ) {
global $graphene_defaults;
if ( ! empty( $input[$option_name] ) ){
$input[$option_name] = esc_url_raw( $input[$option_name] );
if ( $input[$option_name] == '' ) {
$input[$option_name] = $graphene_defaults[$option_name];
add_settings_error( 'graphene_options', 2, $error_message);
}
}
return $input;
}
function graphene_validate_colours( $options ) {
global $graphene_defaults;
foreach ( $options as $key => $option ){
if ( in_array( $key, array( 'colour_preset', 'colour_presets' ) ) ) continue;
if ( ! empty( $option ) ){
if ( stripos( $option, '#' ) !== 0 ) {
$options[$key] = '#' . $option;
}
$options[$key] = graphene_convert_shortform_colour( $options[$key] );
} else {
$option = $graphene_defaults[$key];
}
}
return $options;
}
function graphene_convert_shortform_colour( $colour ){
if ( strlen( $colour ) == 4 ) {
$colour = preg_replace( '/\#([0-9a-fA-F] )([0-9a-fA-F] )([0-9a-fA-F] )/', '#$1$1$2$2$3$3$4', $colour );
}
return $colour;
}