Convert a float to a string without locale formatting

float-to-string.php

<?php

/**
 * Convert a float to a string without locale formatting which PHP adds when changing floats to strings.
 *
 * @param  	float $float 	Float value to format.
 * @return 	string
 */
function prefix_float_to_string( $float ) {
	if ( ! is_float( $float ) ) {
		return $float;
	}

	$locale = localeconv();
	$string = strval( $float );
	$string = str_replace( $locale['decimal_point'], '.', $string );

	return $string;
}