Online PHP editor | refs for gVqVH

<?php $var = 'foo'; $t = microtime(); $somequery = "some query '$var'"; echo 'Interpolation: ', microtime() - $t, ' ms', PHP_EOL; $t = microtime(); $somequery = "some query '" . $var . "'"; echo 'Concatenation: ', microtime() - $t, ' ms', PHP_EOL; $t = microtime(); $somequery = sprintf("some query '%s'", $var); echo 'sprintf: ', microtime() - $t, ' ms', PHP_EOL;