Online PHP editor | refs for J00A0

<?php class A { public static function test() { return true; } } function test() { static $a; return $a ??= new A; } $its = 1e3; $test = test(); $t = hrtime(true); for ( $i=0;$i++<$its;) test()->test(); echo (hrtime(true)-$t)/1e9,"s\n"; $t = hrtime(true); for ( $i=0;$i++<$its;) $test->test(); echo (hrtime(true)-$t)/1e9,"s\n"; $t = hrtime(true); for ( $i=0;$i++<$its;) A::test(); echo (hrtime(true)-$t)/1e9,"s\n"; echo "\n=== Warmed up ===\n\n"; $its = 1e6; $t = hrtime(true); for ( $i=0;$i++<$its;) test()->test(); echo $a=(hrtime(true)-$t)/1e9,"s\n"; $t = hrtime(true); for ( $i=0;$i++<$its;) $test->test(); echo $b=(hrtime(true)-$t)/1e9,"s\n"; $t = hrtime(true); for ( $i=0;$i++<$its;) A::test(); echo $c=(hrtime(true)-$t)/1e9,"s\n"; echo number_format((($a-$c)/$a) * 100, 2 ), "% faster from function\n"; echo number_format((($b-$c)/$b) * 100, 2 ), "% faster from variable\n";