Why is this microtime showing up weird in PHP

Question

Why is this microtime showing up weird in PHP

$start4 = microtime(true);
    // run some php code
$end4 = microtime(true);
print \"Time4: \". ($end4 - $start         


        

Answer 1

Dont forget float:

number_format( (float) microtime(true), 10 );
------------------^

update: appended to top answer.