Online PHP editor | refs for ViQfX

<?php namespace { $s = 1; $start = microtime(true); $i = $s; while($i--) { $a = true; } $end = microtime(true); $g1 = $end-$start; echo 'Global true: ' . sprintf('%f.10', $g1) . "\n"; $i = $s; while($i--) { $a = \true; } $g2 = $end-$start; echo 'Global \true: ' . sprintf('%f.10', $g2) . "\n"; } namespace foo { $start = microtime(true); $i = $s; while($i--) { $a = true; } $end = microtime(true); $n1 = $end-$start; echo 'Namespace true: ' . sprintf('%f.10', $n1) . "\n"; $i = $s; while($i--) { $a = \true; } $n2 = $end-$start; echo 'Namespace \true: ' . sprintf('%f.10', $n2) . "\n"; }