<?php
// No direct access, please
if ( ! defined( 'ABSPATH' ) ) exit;


if ( ! function_exists( 'betterdocs_sanitize_integer' ) ) :
/**
 * 
 * Sanitize integers
 * 
 * @since 1.0.0
 */
function betterdocs_sanitize_integer( $input ) {
	return absint( $input );
}

endif;

if ( ! function_exists( 'betterdocs_sanitize_float' ) ) :
/**
 * 
 * Sanitize float
 * @since 1.0.0
 * 
 */
function betterdocs_sanitize_float( $input ) {
	return filter_var( $input, FILTER_SANITIZE_NUMBER_FLOAT, FILTER_FLAG_ALLOW_FRACTION );
}

endif;


if ( ! function_exists( 'betterdocs_sanitize_choices' ) ) :
/**
 * 
 * Sanitize choices
 * 
 * @since 1.0.0
 */
function betterdocs_sanitize_choices( $input, $setting ) {

	// Ensure input is a slug
	$input = sanitize_key( $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( 'betterdocs_sanitize_checkbox' ) ) :
/**
 * 
 * Sanitize checkbox values
 * 
 * @since 1.0.0
 */
function betterdocs_sanitize_checkbox( $input ) {
	if ( $input ) {
		$output = '1';
	} else {
		$output = false;
	}
	return $output;
}
endif;

if ( ! function_exists( 'betterdocs_sanitize_rgba' ) ) :
/**
 * 
 * Sanitize checkbox values
 * 
 * @since 1.0.0
 */	
function betterdocs_sanitize_rgba( $color ) {
	if ( empty( $color ) || is_array( $color ) )
		return 'rgba(0,0,0,0)';

	// If string does not start with 'rgba', then treat as hex
	// sanitize the hex color and finally convert hex to rgba
	if ( false === strpos( $color, 'rgba' ) ) {
		return sanitize_hex_color( $color );
	}

	// By now we know the string is formatted as an rgba color so we need to further sanitize it.
	$color = str_replace( ' ', '', $color );
	sscanf( $color, 'rgba(%d,%d,%d,%f)', $red, $green, $blue, $alpha );
	return 'rgba('.$red.','.$green.','.$blue.','.$alpha.')';
}
endif;

if ( ! function_exists( 'betterdocs_sanitize_select' ) ) :
/**
 * 
 * Sanitize select option values
 * 
 * @since 1.0.0
 */	
function betterdocs_sanitize_select( $input, $setting ){
		
	//input must be a slug: lowercase alphanumeric characters, dashes and underscores are allowed only
	$input = sanitize_key($input);

	//get the list of possible select options 
	$choices = $setting->manager->get_control( $setting->id )->choices;
						
	//return input if valid or return default option
	return ( array_key_exists( $input, $choices ) ? $input : $setting->default );                
		
}
endif;