<?php

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/**

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* Sanitize float number

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* @param mixed

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* @return float

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*/

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function et_sanitize_float_number( $number ) {

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return floatval( $number );

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}

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/**

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* Sanitize integer number

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* @param mixed

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* @return int

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*/

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function et_sanitize_int_number( $number ) {

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return intval( $number );

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}

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/**

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* Sanitize font style

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* @param string

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* @param string

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*/

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function et_sanitize_font_style( $styles ) {

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// List of allowable style

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$allowed_styles = array_keys( et_divi_font_style_choices() );

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// Explodes styles into array

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$styles_array = explode( '|', $styles );

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// Get valid styles

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$valid_styles = array_intersect( $allowed_styles, $styles_array );

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// Return sanitized styles

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return implode( "|", $valid_styles );

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}

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/**

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* Sanitize choosen option based on options' key

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* @param string

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* @param array

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* @return string|bool

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*/

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function et_sanitize_key_based_option( $choosen, $options, $default = false ) {

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// Validate choosen option based on available options

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if ( ! isset( $options[ $choosen ] ) ) {

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return $default;

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}

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return $choosen;

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}

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/**

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* Sanitize font choice

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* @param string

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* @return string|bool

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*/

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function et_sanitize_font_choices( $choosen ) {

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$google_fonts = et_builder_get_fonts();

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$user_fonts = et_builder_get_custom_fonts();

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// combine google fonts with custom user fonts

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$all_fonts = array_merge( $user_fonts, $google_fonts );

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return et_sanitize_key_based_option( $choosen, $all_fonts );

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}

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/**

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* Sanitize color scheme

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* @param string

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* @return string|bool

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*/

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function et_sanitize_color_scheme( $choosen ) {

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return et_sanitize_key_based_option( $choosen, et_divi_color_scheme_choices() );

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}

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/**

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* Sanitize header style

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* @param string

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* @return string|bool

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*/

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function et_sanitize_header_style( $choosen ) {

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return et_sanitize_key_based_option( $choosen, et_divi_header_style_choices() );

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}

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/**

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* Sanitize dropdown animation

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* @param string

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* @return string|bool

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*/

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function et_sanitize_dropdown_animation( $choosen ) {

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return et_sanitize_key_based_option( $choosen, et_divi_dropdown_animation_choices() );

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}

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/**

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* Sanitize footer column

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* @param string

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* @return string|bool

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*/

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function et_sanitize_footer_column( $choosen ) {

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return et_sanitize_key_based_option( $choosen, et_divi_footer_column_choices() );

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}

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/**

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* Sanitize yes no choices

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* @param string

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* @return string|bool

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*/

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function et_sanitize_yes_no( $choosen ) {

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return et_sanitize_key_based_option( $choosen, et_divi_yes_no_choices() );

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}

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/**

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* Sanitize left or right choices

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* @param string

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* @return string|bool

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*/

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function et_sanitize_left_right( $choosen ) {

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return et_sanitize_key_based_option( $choosen, et_divi_left_right_choices() );

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}

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/**

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* Sanitize image animation choices

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* @param string

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* @return string|bool

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*/

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function et_sanitize_image_animation( $choosen ) {

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return et_sanitize_key_based_option( $choosen, et_divi_image_animation_choices() );

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}

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/**

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* Sanitize divider style choices

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* @param string

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* @return string|bool

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*/

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function et_sanitize_divider_style( $choosen ) {

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return et_sanitize_key_based_option( $choosen, et_divi_divider_style_choices() );

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}

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/**

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* Sanitize divider position choices

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* @param string

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* @return string|bool

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*/

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function et_sanitize_divider_position( $choosen ) {

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return et_sanitize_key_based_option( $choosen, et_divi_divider_position_choices() );

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}

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/**

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* Sanitize RGBA color

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* @param string

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* @return string|bool

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*/

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function et_sanitize_alpha_color( $color ) {

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// Trim unneeded whitespace

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$color = str_replace( ' ', '', $color );

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// If this is hex color, validate and return it

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if ( 1 === preg_match( '|^#([A-Fa-f0-9]{3}){1,2}$|', $color ) ) {

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return $color;

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}

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// If this is rgb, validate and return it

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elseif ( 'rgb(' === substr( $color, 0, 4 ) ) {

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sscanf( $color, 'rgb(%d,%d,%d)', $red, $green, $blue );

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if ( ( $red >= 0 && $red <= 255 ) &&

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( $green >= 0 && $green <= 255 ) &&

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( $blue >= 0 && $blue <= 255 )

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) {

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return "rgb({$red},{$green},{$blue})";

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}

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}

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// If this is rgba, validate and return it

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elseif ( 'rgba(' === substr( $color, 0, 5 ) ) {

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sscanf( $color, 'rgba(%d,%d,%d,%f)', $red, $green, $blue, $alpha );

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if ( ( $red >= 0 && $red <= 255 ) &&

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( $green >= 0 && $green <= 255 ) &&

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( $blue >= 0 && $blue <= 255 ) &&

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$alpha >= 0 && $alpha <= 1

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) {

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return "rgba({$red},{$green},{$blue},{$alpha})";

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}

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}

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return false;

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}

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/**

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* Sanitize font icon

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* @param string

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* @param string

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* @return string

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*/

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function et_sanitize_font_icon( $font_icon, $symbols_function = 'default' ) {

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// Convert symbols into strings

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$font_icon = trim( $font_icon );

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// @phpcs:ignore Generic.PHP.ForbiddenFunctions.Found

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$icon_symbols = is_callable( $symbols_function ) ? call_user_func( $symbols_function ) : et_pb_get_font_icon_symbols();

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$icon_symbols = array_map( 'et_sanitize_font_icon_convert_icon_to_string', $icon_symbols );

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// the exact font icon value is saved

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if ( 1 !== preg_match( "/^%%/", $font_icon ) ) {

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return in_array( $font_icon, $icon_symbols ) ? $font_icon : '';

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}

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// the font icon value is saved in the following format: %%index_number%%

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// strip the %'s to get to end result: index_number

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$icon_index = (int) str_replace( '%', '', $font_icon );

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return isset( $icon_symbols[ $icon_index ] ) ? $icon_symbols[ $icon_index ] : '';

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}

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/**

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* Convert font hex-code font icons into strings so it can be compared

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* @param string

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* @return string

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*/

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function et_sanitize_font_icon_convert_icon_to_string( $icon ) {

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// Replace &amp; with &. Otherwise, it'll incorrectly decoded

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$icon = str_replace( '&amp;', '&', $icon );

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// Decode

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return html_entity_decode( $icon );

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}

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/**

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* Array of allowed html tags on short block

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* @return array

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*/

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function et_allowed_html_tags_short_block() {

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$allowed_tags = array(

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'div' => array(

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'class' => array(),

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'id' => array(),

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),

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'span' => array(

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'class' => array(),

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'id' => array(),

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),

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'ol' => array(

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'class' => array(),

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'id' => array(),

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),

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'ul' => array(

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'class' => array(),

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'id' => array(),

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),

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'li' => array(

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'class' => array(),

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'id' => array(),

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),

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'p' => array(

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'class' => array(),

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'id' => array(),

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),

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'a' => array(

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'href' => array(),

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'class' => array(),

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'id' => array(),

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'rel' => array(),

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'title' => array(),

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'target' => array(),

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),

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'br' => array(),

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'em' => array(),

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'strong' => array(),

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);

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return apply_filters( 'et_allowed_html_tags_short_block', $allowed_tags );

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}

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/**

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* Sanitize short block html input

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* @return string

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*/

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function et_sanitize_html_input_text( $string ) {

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return wp_kses( $string, et_allowed_html_tags_short_block() );

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}

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/**

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* Sanitize background repeat value

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* @return string

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*/

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function et_sanitize_background_repeat( $choosen ) {

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return et_sanitize_key_based_option(

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$choosen,

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et_divi_background_repeat_choices(),

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apply_filters( 'et_divi_background_repeat_default', 'repeat' )

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);

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}

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/**

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* Sanitize background attachment value

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* @return string

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*/

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function et_sanitize_background_attachment( $choosen ) {

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return et_sanitize_key_based_option(

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$choosen,

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et_divi_background_attachment_choices(),

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apply_filters( 'et_sanitize_background_attachment_default', 'scroll' )

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);

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}

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