function is not described

wp_cache_microtime_diff() │ WPSCache 1.0

No Hooks.

Returns

null. Nothing (null).

Usage

wp_cache_microtime_diff( $a, $b );

$a(required): .
$b(required): .

`wp_cache_microtime_diff() wp cache microtime diff` code ^{WPSCache 3.1.0}

wp-super-cache/wp-cache-phase2.php

function wp_cache_microtime_diff( $a, $b ) {
	list($a_dec, $a_sec) = explode( ' ', $a );
	list($b_dec, $b_sec) = explode( ' ', $b );
	return (float) $b_sec - (float) $a_sec + (float) $b_dec - (float) $a_dec;
}