3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test() {} $nIter = 10000; $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)
7.2.00.0060.02219.48
7.1.70.0030.01417.22
7.1.60.0060.01519.24
7.1.50.0190.02216.89
7.1.00.0070.04022.33
7.0.200.0030.01316.79
7.0.140.0070.08722.15
7.0.100.0100.05319.88
7.0.90.0100.08319.95
7.0.80.0030.09019.99
7.0.70.0170.09320.01
7.0.60.0170.09019.96
7.0.50.0070.09320.26
7.0.40.0030.06020.04
7.0.30.0100.09319.91
7.0.20.0070.09320.11
7.0.10.0170.08019.99
7.0.00.0070.09320.00
5.6.280.0000.12721.07
5.6.250.0030.09020.59
5.6.240.0100.12320.53
5.6.230.0070.13320.68
5.6.220.0170.13020.70
5.6.210.0030.16020.43
5.6.200.0200.10021.11
5.6.190.0100.15021.02
5.6.180.0030.14321.02
5.6.170.0170.13721.07
5.6.160.0170.12720.98
5.6.150.0100.10720.93
5.6.140.0100.14321.07
5.6.130.0100.13721.05
5.6.120.0100.13320.91
5.6.110.0070.17021.02
5.6.100.0030.15721.07
5.6.90.0130.10321.08
5.6.80.0100.14320.38
5.6.70.0100.16720.43
5.6.60.0130.14020.41
5.6.50.0070.13020.30
5.6.40.0130.13720.32
5.6.30.0070.11020.28
5.6.20.0130.13320.41
5.6.10.0070.15320.32
5.6.00.0200.11320.41
5.5.380.0070.12720.38
5.5.370.0070.11020.51
5.5.360.0070.12320.30
5.5.350.0230.13320.30
5.5.340.0070.13720.86
5.5.330.0170.12720.73
5.5.320.0130.13020.71
5.5.310.0100.12720.78
5.5.300.0000.15020.79
5.5.290.0030.13020.84
5.5.280.0170.16320.61
5.5.270.0230.14020.72
5.5.260.0200.11020.60
5.5.250.0170.12720.63
5.5.240.0170.09020.17
5.5.230.0200.12320.28
5.5.220.0030.14720.23
5.5.210.0130.14720.27
5.5.200.0070.12720.16
5.5.190.0070.14020.24
5.5.180.0070.12720.09
5.5.160.0130.14320.21
5.5.150.0100.13020.21
5.5.140.0030.14320.15
5.5.130.0070.14020.25
5.5.120.0170.13720.23
5.5.110.0130.14020.14
5.5.100.0200.11720.13
5.5.90.0200.10319.99
5.5.80.0100.15320.10
5.5.70.0100.13020.04
5.5.60.0100.09720.11
5.5.50.0070.13720.02
5.5.40.0030.10320.06
5.5.30.0070.14020.09
5.5.20.0100.14320.11
5.5.10.0100.13020.09
5.5.00.0030.15320.01
5.4.450.0030.10719.52
5.4.440.0030.15319.54
5.4.430.0070.14319.54
5.4.420.0070.15019.46
5.4.410.0130.14319.23
5.4.400.0130.14319.17
5.4.390.0130.13318.96
5.4.380.0170.13319.09
5.4.370.0030.14319.13
5.4.360.0170.11019.14
5.4.350.0100.11319.19
5.4.340.0000.14018.91
5.4.320.0070.13719.23
5.4.310.0100.13019.05
5.4.300.0030.13319.08
5.4.290.0100.13318.90
5.4.280.0130.12319.23
5.4.270.0000.09019.22
5.4.260.0030.13019.03
5.4.250.0030.12019.17
5.4.240.0130.13319.18
5.4.230.0130.12019.13
5.4.220.0100.11719.13
5.4.210.0170.12718.87
5.4.200.0030.13019.04
5.4.190.0070.12718.89
5.4.180.0100.13718.89
5.4.170.0100.12018.87
5.4.160.0130.12719.03
5.4.150.0100.12719.12
5.4.140.0030.13716.38
5.4.130.0070.13316.36
5.4.120.0100.13716.27
5.4.110.0130.09316.33
5.4.100.0100.13316.52
5.4.90.0070.14716.43
5.4.80.0100.14316.38
5.4.70.0070.10016.48
5.4.60.0030.12716.43
5.4.50.0070.13716.30
5.4.40.0130.10716.30
5.4.30.0030.13016.52
5.4.20.0030.12016.52
5.4.10.0130.09716.42
5.4.00.0070.12715.82
5.3.290.0070.08014.65
5.3.280.0070.07714.52
5.3.270.0230.05014.70
5.3.260.0100.06714.66
5.3.250.0100.06314.66
5.3.240.0070.07314.61
5.3.230.0100.04014.62
5.3.220.0000.06014.57
5.3.210.0030.06714.50
5.3.200.0070.07714.54
5.3.190.0200.06314.61
5.3.180.0000.07714.57
5.3.170.0030.07314.50
5.3.160.0030.05014.66
5.3.150.0100.06714.59
5.3.140.0070.07014.61
5.3.130.0070.07714.64
5.3.120.0070.06714.56
5.3.110.0030.07714.55
5.3.100.0100.06014.10
5.3.90.0070.07013.95
5.3.80.0230.06014.05
5.3.70.0130.06713.93
5.3.60.0070.06714.05
5.3.50.0030.07013.93
5.3.40.0030.07713.96
5.3.30.0070.07714.03
5.3.20.0000.08013.75
5.3.10.0100.06313.67
5.3.00.0070.07013.53
5.2.170.0000.03011.21
5.2.160.0100.06011.26
5.2.150.0070.05711.00
5.2.140.0000.05011.13
5.2.130.0100.05711.23
5.2.120.0030.04011.03
5.2.110.0070.05711.12
5.2.100.0070.06011.21
5.2.90.0000.07010.99
5.2.80.0100.05711.21
5.2.70.0070.06311.18
5.2.60.0100.05710.98
5.2.50.0130.05311.13
5.2.40.0070.05710.88
5.2.30.0030.06310.90
5.2.20.0130.05010.95
5.2.10.0030.06311.00
5.2.00.0100.05310.81
5.1.60.0130.04710.01
5.1.50.0070.05310.07
5.1.40.0070.04710.05
5.1.30.0030.05010.29
5.1.20.0030.05010.42
5.1.10.0070.05310.16
5.1.00.0170.0439.95
5.0.50.0030.0508.62
5.0.40.0030.0438.48
5.0.30.0070.0508.33
5.0.20.0030.0438.33
5.0.10.0030.0438.33
5.0.00.0000.0638.33
4.4.90.0070.0338.33
4.4.80.0030.0338.33
4.4.70.0000.0408.33
4.4.60.0070.0308.33
4.4.50.0000.0378.33
4.4.40.0000.0508.33
4.4.30.0100.0138.33
4.4.20.0030.0378.33
4.4.10.0000.0378.33
4.4.00.0070.0538.33
4.3.110.0030.0378.33
4.3.100.0030.0338.33
4.3.90.0030.0138.33
4.3.80.0070.0408.33
4.3.70.0000.0208.33
4.3.60.0000.0308.33
4.3.50.0000.0378.33
4.3.40.0000.0438.33
4.3.30.0000.0408.33
4.3.20.0000.0178.33
4.3.10.0030.0408.33
4.3.00.0070.0308.33

preferences:
29.86 ms | 401 KiB | 5 Q