3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f($a, $b = 'default') { var_dump($a, $b); echo PHP_EOL; } f('hi'); f('hi', null);

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)
8.3.60.0150.00418.43
8.3.50.0110.00418.03
8.3.40.0120.00918.76
8.3.30.0110.00618.67
8.3.20.0080.00019.02
8.3.10.0040.00421.83
8.3.00.0030.00523.61
8.2.180.0110.00418.04
8.2.170.0000.01522.96
8.2.160.0090.00619.18
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0050.00219.25
8.2.120.0070.00026.35
8.2.110.0000.01822.13
8.2.100.0090.00317.69
8.2.90.0000.00822.37
8.2.80.0080.00017.97
8.2.70.0040.00417.77
8.2.60.0050.00217.97
8.2.50.0040.00418.10
8.2.40.0040.00419.17
8.2.30.0070.00419.23
8.2.20.0000.00717.81
8.2.10.0040.00417.79
8.2.00.0030.00319.10
8.1.280.0070.01025.92
8.1.270.0040.00422.15
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0080.00420.70
8.1.230.0040.00820.89
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0050.00517.23
8.1.190.0030.00617.00
8.1.180.0000.00818.10
8.1.170.0040.00418.86
8.1.160.0040.00418.83
8.1.150.0000.00718.76
8.1.140.0040.00417.58
8.1.130.0000.00717.25
8.1.120.0000.00717.30
8.1.110.0000.00817.24
8.1.100.0030.00617.25
8.1.90.0000.00817.26
8.1.80.0030.00317.32
8.1.70.0050.00217.35
8.1.60.0030.00617.52
8.1.50.0070.00617.47
8.1.40.0040.00417.44
8.1.30.0040.00417.56
8.1.20.0040.00717.54
8.1.10.0040.00417.32
8.1.00.0040.00417.35
8.0.300.0040.00419.86
8.0.290.0000.01016.63
8.0.280.0000.00818.34
8.0.270.0070.00017.10
8.0.260.0000.00616.75
8.0.250.0070.00316.84
8.0.240.0060.00316.71
8.0.230.0000.00716.87
8.0.220.0040.00416.64
8.0.210.0000.00716.74
8.0.200.0000.00816.72
8.0.190.0050.00316.71
8.0.180.0000.00816.69
8.0.170.0040.00416.66
8.0.160.0000.00716.83
8.0.150.0040.00416.73
8.0.140.0080.00016.77
8.0.130.0060.00013.25
8.0.120.0040.00416.71
8.0.110.0040.00416.79
8.0.100.0000.00816.57
8.0.90.0050.00216.75
8.0.80.0030.01316.77
8.0.70.0040.00416.71
8.0.60.0000.00716.75
8.0.50.0040.00416.81
8.0.30.0110.00917.15
8.0.20.0100.00917.40
8.0.10.0040.00416.71
8.0.00.0130.00416.79
7.4.330.0020.00216.69
7.4.320.0070.00016.46
7.4.300.0060.00016.41
7.4.290.0000.00716.36
7.4.280.0000.00816.51
7.4.270.0030.00316.44
7.4.260.0000.00716.43
7.4.250.0030.00316.38
7.4.240.0030.00316.51
7.4.230.0030.00316.52
7.4.220.0050.00316.29
7.4.210.0070.00616.56
7.4.200.0040.00416.55
7.4.160.0090.00616.34
7.4.140.0120.00717.86
7.4.130.0100.00716.50
7.4.120.0130.00816.48
7.4.110.0030.01416.51
7.4.100.0030.01316.42
7.4.90.0160.00416.35
7.4.80.0130.01019.39
7.4.70.0140.00716.56
7.4.60.0060.01616.53
7.4.50.0070.01116.51
7.4.40.0120.00416.26
7.4.00.0090.00615.06
7.3.330.0000.00613.16
7.3.320.0050.00013.17
7.3.310.0030.00416.11
7.3.300.0030.00316.17
7.3.290.0000.00716.12
7.3.280.0020.01216.23
7.3.260.0110.00916.37
7.3.240.0080.00916.42
7.3.230.0150.00316.45
7.3.210.0160.00616.31
7.3.200.0080.00816.65
7.3.190.0030.01316.19
7.3.180.0160.00016.32
7.3.170.0170.00016.27
7.3.160.0160.00616.52
7.2.330.0140.00416.66
7.2.320.0090.00916.18
7.2.310.0130.00416.55
7.2.300.0080.00816.58
7.2.290.0090.00916.52
7.2.70.2510.01314.89
7.2.60.1470.01314.91
7.2.50.1300.01314.83
7.2.40.1930.00314.76
7.2.30.2120.01014.97
7.2.20.2310.01314.84
7.2.10.1780.01014.75
7.2.00.2480.01615.04
7.1.200.0030.00615.71
7.1.170.1580.01313.74
7.1.160.1350.00713.78
7.1.150.1280.00013.86
7.1.140.1410.01513.50
7.1.130.2250.00313.76
7.1.120.1680.00613.78
7.1.110.1860.01313.96
7.1.100.1530.01013.70
7.1.90.2200.00613.95
7.1.80.2100.00613.75
7.1.70.2550.00613.90
7.1.60.1790.02331.93
7.1.50.2450.00731.80
7.1.40.2900.01331.83
7.1.30.2660.02031.88
7.1.20.2590.02031.80
7.1.10.3300.01013.75
7.1.00.2240.01313.89

preferences:
51.44 ms | 400 KiB | 5 Q