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<?php // only copy this line if needed

/**
 * Filter the quantity input's pattern attribute to fix the "Please match
 * the requested format" HTML validation error that occurs when using
 * WooCommerce Measurement Price Calculator with the Enfold theme
 *
 * @props to mensmaximus {@link https://github.com/mensmaximus} for the
 * proposed solution
 *
 * @param string $pattern the value of the input element's pattern attribute
 * @return string the updated pattern to allow floats
 */
function sv_wc_mpc_quantity_input_pattern_enfold_theme( $pattern ) {

	if ( has_filter( 'woocommerce_stock_amount', 'floatval' ) ) {
		$pattern = '^\d*(\.\d*)?$';
	}

	return $pattern;
}
add_filter( 'woocommerce_quantity_input_pattern', 'sv_wc_mpc_quantity_input_pattern_enfold_theme' );