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<?php
/**
* Sanitization functions.
*
* @package ePortfolio
*/
if ( ! function_exists( 'eportfolio_sanitize_select' ) ) :
/**
* Sanitize select.
*
* @since 1.0.0
*
* @param mixed $input The value to sanitize.
* @param WP_Customize_Setting $setting WP_Customize_Setting instance.
* @return mixed Sanitized value.
*/
function eportfolio_sanitize_select( $input, $setting ) {
// Ensure input is a slug.
$input = sanitize_text_field( $input );
// Get list of choices from the control associated with the setting.
$choices = $setting->manager->get_control( $setting->id )->choices;
// If the input is a valid key, return it; otherwise, return the default.
return ( array_key_exists( $input, $choices ) ? $input : $setting->default );
}
endif;
if ( ! function_exists( 'eportfolio_sanitize_checkbox' ) ) :
/**
* Sanitize checkbox.
*
* @since 1.0.0
*
* @param bool $checked Whether the checkbox is checked.
* @return bool Whether the checkbox is checked.
*/
function eportfolio_sanitize_checkbox( $checked ) {
return ( ( isset( $checked ) && true === $checked ) ? true : false );
}
endif;
if ( ! function_exists( 'eportfolio_sanitize_positive_integer' ) ) :
/**
* Sanitize positive integer.
*
* @since 1.0.0
*
* @param int $input Number to sanitize.
* @param WP_Customize_Setting $setting WP_Customize_Setting instance.
* @return int Sanitized number; otherwise, the setting default.
*/
function eportfolio_sanitize_positive_integer( $input, $setting ) {
$input = absint( $input );
// If the input is an absolute integer, return it.
// otherwise, return the default.
return ( $input ? $input : $setting->default );
}
endif;
if ( ! function_exists( 'eportfolio_sanitize_dropdown_pages' ) ) :
/**
* Sanitize dropdown pages.
*
* @since 1.0.0
*
* @param int $page_id Page ID.
* @param WP_Customize_Setting $setting WP_Customize_Setting instance.
* @return int|string Page ID if the page is published; otherwise, the setting default.
*/
function eportfolio_sanitize_dropdown_pages( $page_id, $setting ) {
// Ensure $input is an absolute integer.
$page_id = absint( $page_id );
// If $page_id is an ID of a published page, return it; otherwise, return the default.
return ( 'publish' === get_post_status( $page_id ) ? $page_id : $setting->default );
}
endif;
if ( ! function_exists( 'eportfolio_sanitize_image' ) ) :
/**
* Sanitize image.
*
* @since 1.0.0
*
* @see wp_check_filetype() https://developer.wordpress.org/reference/functions/wp_check_filetype/
*
* @param string $image Image filename.
* @param WP_Customize_Setting $setting WP_Customize_Setting instance.
* @return string The image filename if the extension is allowed; otherwise, the setting default.
*/
function eportfolio_sanitize_image( $image, $setting ) {
/**
* Array of valid image file types.
*
* The array includes image mime types that are included in wp_get_mime_types().
*/
$mimes = array(
'jpg|jpeg|jpe' => 'image/jpeg',
'gif' => 'image/gif',
'png' => 'image/png',
'bmp' => 'image/bmp',
'tif|tiff' => 'image/tiff',
'ico' => 'image/x-icon',
);
// Return an array with file extension and mime_type.
$file = wp_check_filetype( $image, $mimes );
// If $image has a valid mime_type, return it; otherwise, return the default.
return ( $file['ext'] ? $image : $setting->default );
}
endif;
if ( ! function_exists( 'eportfolio_sanitize_number_range' ) ) :
/**
* Sanitize number range.
*
* @since 1.0.0
*
* @see absint() https://developer.wordpress.org/reference/functions/absint/
*
* @param int $input Number to check within the numeric range defined by the setting.
* @param WP_Customize_Setting $setting WP_Customize_Setting instance.
* @return int|string The number, if it is zero or greater and falls within the defined range; otherwise, the setting default.
*/
function eportfolio_sanitize_number_range( $input, $setting ) {
// Ensure input is an absolute integer.
$input = absint( $input );
// Get the input attributes associated with the setting.
$atts = $setting->manager->get_control( $setting->id )->input_attrs;
// Get min.
$min = ( isset( $atts['min'] ) ? $atts['min'] : $input );
// Get max.
$max = ( isset( $atts['max'] ) ? $atts['max'] : $input );
// Get Step.
$step = ( isset( $atts['step'] ) ? $atts['step'] : 1 );
// If the input is within the valid range, return it; otherwise, return the default.
return ( $min <= $input && $input <= $max && is_int( $input / $step ) ? $input : $setting->default );
}
endif;