Online PHP editor | perf for b0vbb

<?php class Test { public static method foo() { return 1; } } function fa () { return 1; } function fb () { return 1; } function fc () { return 1; } $calla = 'fa'; $callb = 'fb'; $callc = 'fc'; $class = 'Test'; $method = 'foo();' $calld = $class.'::'.$method.'()'; $time = microtime( true ); for( $i = 5000; $i--; ) { $x = 0; $x += $calla(); $x += $callb(); $x += $callc(); $x += $calld(); if( $x != 4 ) die( 'Bad numbers' ); } echo( "Variable functions took " . (microtime( true ) - $time) . " seconds.<br />" ); $time = microtime( true ); for( $i = 5000; $i--; ) { $x = 0; $x += call_user_func($calla); $x += call_user_func($callb); $x += call_user_func($callc); $x += call_user_func($calld); if( $x != 4 ) die( 'Bad numbers' ); } echo( "call_user_func took " . (microtime( true ) - $time) . " seconds.<br />" ); $time = microtime( true ); for( $i = 5000; $i--; ) { $x = 0; $x += call_user_func([$class, $method]); if( $x != 1 ) die( 'Bad numbers' ); } echo( "call_user_func 2 took " . (microtime( true ) - $time) . " seconds.<br />" ); ?>

Version	System time (s)	User time (s)	Memory (MiB)
7.0.2	0.027	0.050	20.26
7.0.1	0.007	0.083	20.16
7.0.0	0.007	0.083	20.10
5.6.16	0.010	0.053	20.44
5.6.15	0.000	0.087	18.25
5.6.14	0.017	0.050	18.27
5.6.13	0.007	0.080	18.27
5.6.12	0.007	0.073	21.12
5.6.11	0.003	0.080	21.01
5.6.10	0.010	0.080	20.97
5.6.9	0.017	0.073	20.87
5.6.8	0.000	0.047	20.34
5.5.30	0.003	0.037	17.96
5.5.29	0.013	0.043	17.92
5.5.28	0.007	0.037	20.80
5.5.27	0.013	0.087	20.88
5.5.26	0.010	0.083	20.75
5.5.25	0.000	0.047	20.58
5.5.24	0.030	0.070	20.25