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<?php $a = 1; $time=microtime(true);for($x=0;$x<100000;$x++){ $b = is_null($a);} round(microtime(true)-$time, 5)."\n"; // $a = 1; $time=microtime(true);for($x=0;$x<100000;$x++){ $b = ($a === null);} echo round(microtime(true)-$time, 5)."\n";;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/QD36n on line 3
Process exited with code 255.
preferences:
172.26 ms | 401 KiB | 262 Q