3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test() {} $nIter = 100000; $argNums = array(0, 1, 2, 3, 4, 5); $func = 'test'; foreach ($argNums as $argNum) { $args = $argNum == 0 ? [] : array_fill(0, $argNum, null); $startTime = microtime(true); for ($i = 0; $i < $nIter; ++$i) { call_user_func_array($func, $args); } $endTime = microtime(true); echo "cufa with $argNum args took ", $endTime - $startTime, "\n"; $startTime = microtime(true); for ($i = 0; $i < $nIter; ++$i) { switch (count($args)) { case 0: $func(); break; case 1: $func($args[0]); break; case 2: $func($args[0], $args[1]); break; case 3: $func($args[0], $args[1], $args[2]); break; case 4: $func($args[0], $args[1], $args[2], $args[3]); break; case 5: $func($args[0], $args[1], $args[2], $args[3], $args[4]); break; default: call_user_func_array($func, $args); break; } } $endTime = microtime(true); echo "switch with $argNum args took ", $endTime - $startTime, "\n"; }

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.2.00.0030.10319.15
7.1.70.0070.08317.27
7.1.60.0030.16419.40
7.1.50.0100.14116.72
7.1.00.0000.13022.43
7.0.200.0000.13516.89
7.0.140.0030.19322.21
7.0.100.0400.12319.93
7.0.90.0070.19720.13
7.0.80.0070.10719.92
7.0.70.0170.14019.92
7.0.60.0130.12720.06
7.0.50.0070.10320.27
7.0.40.0100.17320.10
7.0.30.0100.19020.09
7.0.20.0070.17720.00
7.0.10.0130.16319.99
7.0.00.0030.20320.12
5.6.280.0070.48720.90
5.6.250.0070.56720.59
5.6.240.0100.58320.72
5.6.230.0030.48720.59
5.6.220.0100.50320.45
5.6.210.0000.55720.62
5.6.200.0030.49320.91
5.6.190.0000.47720.99
5.6.180.0030.57021.07
5.6.170.0070.58720.92
5.6.160.0070.56721.04
5.6.150.0100.56720.94
5.6.140.0070.58020.97
5.6.130.0030.59021.06
5.6.120.0130.57320.90
5.6.110.0030.58320.97
5.6.100.0170.55321.02
5.6.90.0130.54720.96
5.6.80.0000.56020.31
5.6.70.0100.59020.36
5.6.60.0570.45720.28
5.6.50.0100.64020.46
5.6.40.0100.58720.35
5.6.30.0000.53720.25
5.6.20.0130.58020.27
5.6.10.0000.58020.42
5.6.00.0100.57720.24
5.5.380.0130.60320.42
5.5.370.0070.51720.34
5.5.360.0070.55720.30
5.5.350.0070.49720.42
5.5.340.0030.44720.80
5.5.330.0030.52720.84
5.5.320.0170.55720.83
5.5.310.0030.55020.61
5.5.300.0100.59720.71
5.5.290.0000.48720.56
5.5.280.0030.57320.82
5.5.270.0130.50320.73
5.5.260.0170.60020.79
5.5.250.0100.56720.38
5.5.240.0030.50020.23
5.5.230.0070.56720.26
5.5.220.0030.55720.07
5.5.210.0100.59720.17
5.5.200.0130.57720.05
5.5.190.0070.60020.23
5.5.180.0200.56020.19
5.5.160.0100.59020.23
5.5.150.0100.59020.21
5.5.140.0070.58720.22
5.5.130.0030.59020.18
5.5.120.0100.53720.04
5.5.110.0130.55720.21
5.5.100.0070.58320.02
5.5.90.0730.52720.03
5.5.80.0070.59020.11
5.5.70.0170.56019.96
5.5.60.0130.56720.02
5.5.50.0230.62720.05
5.5.40.0100.58320.02
5.5.30.0070.56720.04
5.5.20.0130.46720.12
5.5.10.0000.44020.07
5.5.00.0000.46320.09
5.4.450.0030.59019.40
5.4.440.0000.59019.22
5.4.430.0130.60719.44
5.4.420.0000.59019.48
5.4.410.0070.60319.32
5.4.400.0000.59719.19
5.4.390.0030.52019.18
5.4.380.0100.56718.93
5.4.370.0000.56319.10
5.4.360.0030.59719.13
5.4.350.0000.59019.18
5.4.340.0030.59719.13
5.4.320.0100.56319.14
5.4.310.0130.55319.03
5.4.300.0030.56319.12
5.4.290.0130.58319.13
5.4.280.0030.58019.12
5.4.270.0100.56319.05
5.4.260.0030.57319.23
5.4.250.0070.64319.15
5.4.240.0100.56719.17
5.4.230.0130.52019.18
5.4.220.0070.57019.02
5.4.210.0100.52719.15
5.4.200.0100.58319.23
5.4.190.0030.51319.13
5.4.180.0070.58319.08
5.4.170.0000.52719.15
5.4.160.0030.47019.03
5.4.150.0030.44018.89
5.4.140.0070.43016.37
5.4.130.0030.43316.26
5.4.120.0030.48716.26
5.4.110.0830.49716.43
5.4.100.0030.43316.32
5.4.90.0030.53716.46
5.4.80.0130.53316.43
5.4.70.0100.58016.48
5.4.60.0070.58016.34
5.4.50.0100.58716.25
5.4.40.0070.55716.40
5.4.30.0100.58016.32
5.4.20.0000.54716.33
5.4.10.0030.58316.48
5.4.00.0030.56715.81
5.3.290.0030.04714.69
5.3.280.0170.06714.52
5.3.270.0000.04314.70
5.3.260.0030.03714.53
5.3.250.0000.03714.55
5.3.240.0000.04014.69
5.3.230.0030.04014.59
5.3.220.0100.03714.56
5.3.210.0030.03714.70
5.3.200.0030.03014.67
5.3.190.0130.02314.63
5.3.180.0030.07714.61
5.3.170.0070.07014.58
5.3.160.0100.06014.59
5.3.150.0070.07314.59
5.3.140.0070.07314.64
5.3.130.0030.07014.60
5.3.120.0130.06314.60
5.3.110.0100.06714.63
5.3.100.0070.06714.06
5.3.90.0070.06714.00
5.3.80.0000.06314.15
5.3.70.0100.07014.05
5.3.60.0100.03314.07
5.3.50.0030.06714.01
5.3.40.0030.05714.01
5.3.30.0000.04013.96
5.3.20.0100.07313.72
5.3.10.0000.04313.77
5.3.00.0070.07013.52
5.2.170.0030.06311.16
5.2.160.0000.03711.23
5.2.150.0070.04311.06
5.2.140.0030.03311.16
5.2.130.0000.03711.16
5.2.120.0070.06011.10
5.2.110.0000.06011.01
5.2.100.0070.06010.95
5.2.90.0030.06011.03
5.2.80.0100.06011.23
5.2.70.0100.05711.01
5.2.60.0070.06011.11
5.2.50.0100.05711.07
5.2.40.0000.04010.85
5.2.30.0100.04010.98
5.2.20.0000.06311.05
5.2.10.0000.05010.89
5.2.00.0030.03010.75
5.1.60.0070.03310.06
5.1.50.0100.02310.07
5.1.40.0030.02710.09
5.1.30.0130.02710.39
5.1.20.0100.05010.41
5.1.10.0070.04010.11
5.1.00.0130.03310.14
5.0.50.0030.0408.79
5.0.40.0070.0178.79
5.0.30.0030.0578.79
5.0.20.0030.0238.79
5.0.10.0000.0378.79
5.0.00.0070.0578.79
4.4.90.0030.0338.79
4.4.80.0030.0338.79
4.4.70.0030.0378.79
4.4.60.0000.0378.79
4.4.50.0070.0308.79
4.4.40.0030.0508.79
4.4.30.0000.0378.79
4.4.20.0030.0378.79
4.4.10.0030.0238.79
4.4.00.0000.0308.79
4.3.110.0070.0138.79
4.3.100.0030.0308.79
4.3.90.0030.0308.79
4.3.80.0030.0508.79
4.3.70.0070.0278.79
4.3.60.0000.0308.79
4.3.50.0070.0138.79
4.3.40.0070.0378.79
4.3.30.0030.0308.79
4.3.20.0000.0378.79
4.3.10.0030.0278.79
4.3.00.0000.0408.79

preferences:
33.5 ms | 400 KiB | 5 Q