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<?php

/**
 * Sanitize select field
 *
 * @param  string $input   Selected input.
 * @param  string $setting Input setting.
 */
function pure_portfolio_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 );
}

/**
 * Sanitize checkbox field
 *
 * @param  string $input Selected input.
 */
function pure_portfolio_sanitize_checkbox( $input ) {

// returns true if checkbox is checked.
	return ( ( isset( $input ) && true == $input ) ? true : false );
}

function pure_portfolio_sanitize_google_fonts( $input, $setting ) {

// 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 );

}

function pure_portfolio_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',
		'svg'          => 'image/svg+xml',
	);
	// 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 );
}

/**
 * Sanitize switch control
 *
 * @param  string   Switch value
 * @return integer  Sanitized value
 */
function pure_portfolio_sanitize_switch( $input ) {
	if ( true === $input ) {
		return true;
	} else {
		return false;
	}
}

/**
 * Sanitize number range
 *
 * @param  string $input Input value.
 * @param  string $setting Input setting.
 */
function pure_portfolio_sanitize_number_range( $input, $setting ) {
	$input = absint( $input );
	$atts  = $setting->manager->get_control( $setting->id )->input_attrs;

$min  = ( isset( $atts['min'] ) ? $atts['min'] : $input );
	$max  = ( isset( $atts['max'] ) ? $atts['max'] : $input );
	$step = ( isset( $atts['step'] ) ? $atts['step'] : 1 );

// If the number is within the valid range, return it; otherwise, return the default.
	return ( $min <= $input && $input <= $max ? $input : $setting->default );
}