1--TEST-- 2Test hrtime() aligns with microtime() 3--FLAKY-- 4This test frequently fails in CI 5--FILE-- 6<?php 7 8$m0 = microtime(true); 9$h0 = hrtime(true); 10for ($i = 0; $i < 1024*1024; $i++); 11$h1 = hrtime(true); 12$m1 = microtime(true); 13 14$d0 = ($m1 - $m0)*1000000000.0; 15$d1 = $h1 - $h0; 16 17/* Relative uncertainty. */ 18$d = abs($d0 - $d1)/$d1; 19 20if ($d > 0.05) { 21 print "FAIL, $d"; 22} else { 23 print "OK, $d"; 24} 25 26?> 27--EXPECTF-- 28OK, %f 29
