3v4l.org

run code in 300+ PHP versions simultaneously
<?php class P {} $x = function(P $p = null) { $t = $p ?? 'lol'; var_dump($t); }; $x();

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)
8.3.60.0040.01518.43
8.3.50.0090.00916.35
8.3.40.0100.00718.84
8.3.30.0030.01218.84
8.3.20.0030.00520.20
8.3.10.0050.00323.42
8.3.00.0060.00319.26
8.2.180.0040.01417.92
8.2.170.0110.00422.96
8.2.160.0110.00420.57
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0070.00021.04
8.2.120.0070.00026.35
8.2.110.0030.00620.59
8.2.100.0090.00317.84
8.2.90.0000.00819.18
8.2.80.0050.00318.03
8.2.70.0030.00717.50
8.2.60.0000.00817.93
8.2.50.0050.00318.10
8.2.40.0040.00420.42
8.2.30.0040.00420.96
8.2.20.0040.00417.95
8.2.10.0000.00818.02
8.2.00.0040.00418.07
8.1.280.0150.00625.92
8.1.270.0030.00623.83
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00320.72
8.1.230.0100.00019.01
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0070.00317.35
8.1.190.0050.00317.10
8.1.180.0040.00418.10
8.1.170.0000.00818.64
8.1.160.0000.00718.96
8.1.150.0040.00420.66
8.1.140.0070.00019.45
8.1.130.0070.00018.76
8.1.120.0000.00717.42
8.1.110.0000.00717.40
8.1.100.0000.00817.44
8.1.90.0080.00317.46
8.1.80.0050.00317.35
8.1.70.0070.00017.45
8.1.60.0070.00017.54
8.1.50.0040.00417.52
8.1.40.0040.00417.46
8.1.30.0000.00717.53
8.1.20.0040.00417.58
8.1.10.0040.00417.55
8.1.00.0000.00717.54
8.0.300.0040.00418.77
8.0.290.0050.00316.63
8.0.280.0000.00718.29
8.0.270.0030.00317.25
8.0.260.0000.00716.69
8.0.250.0080.00016.78
8.0.240.0000.00816.91
8.0.230.0070.00016.75
8.0.220.0030.00316.81
8.0.210.0040.00416.70
8.0.200.0030.00316.93
8.0.190.0040.00416.98
8.0.180.0070.00316.74
8.0.170.0000.00816.89
8.0.160.0040.00416.89
8.0.150.0070.00016.72
8.0.140.0040.00416.73
8.0.130.0060.00013.35
8.0.120.0000.00716.80
8.0.110.0050.00216.75
8.0.100.0070.00016.95
8.0.90.0000.00716.69
8.0.80.0100.00716.90
8.0.70.0000.00716.79
8.0.60.0080.00016.76
8.0.50.0000.00816.87
8.0.30.0100.00517.14
8.0.20.0100.01317.41
8.0.10.0040.00416.98
8.0.00.0140.00416.82
7.4.330.0000.00515.55
7.4.320.0030.00316.45
7.4.300.0030.00316.61
7.4.290.0060.00316.59
7.4.280.0060.00316.57
7.4.270.0040.00416.61
7.4.260.0000.00716.47
7.4.250.0000.00816.38
7.4.240.0000.00716.50
7.4.230.0000.00816.49
7.4.220.0150.00916.62
7.4.210.0090.00716.54
7.4.200.0030.00316.61
7.4.160.0110.00916.54
7.4.150.0180.00017.40
7.4.140.0080.01217.86
7.4.130.0110.00716.43
7.4.120.0100.01016.47
7.4.110.0070.01016.63
7.4.100.0160.00616.71
7.4.90.0110.00516.36
7.4.80.0120.00919.39
7.4.70.0080.00816.36
7.4.60.0030.01216.54
7.4.50.0070.01016.47
7.4.40.0060.01216.70
7.4.30.0130.01016.47
7.4.00.0040.01114.85
7.3.330.0020.00213.29
7.3.320.0030.00313.12
7.3.310.0030.00316.39
7.3.300.0000.00716.29
7.3.290.0060.00016.15
7.3.280.0080.00916.27
7.3.270.0100.00617.40
7.3.260.0080.01016.36
7.3.250.0140.00716.40
7.3.240.0080.00916.23
7.3.230.0120.00916.30
7.3.210.0100.00916.48
7.3.200.0120.00916.60
7.3.190.0070.01016.29
7.3.180.0120.00316.31
7.3.170.0100.00616.34
7.3.160.0090.00916.50
7.2.330.0000.01716.28
7.2.320.0160.00316.64
7.2.310.0070.01316.71
7.2.300.0130.00716.65
7.2.290.0070.01016.60
7.2.60.0100.00716.61
7.2.00.0240.00619.21
7.1.200.0050.00515.53
7.1.100.0060.00917.89
7.1.70.0060.00617.13
7.1.60.0190.01034.98
7.1.50.0170.00734.75
7.1.40.0210.00334.34
7.1.30.0150.00934.42
7.1.20.0140.01134.52
7.1.10.0030.01016.55
7.1.00.0070.00716.73
7.0.200.0030.00916.74
7.0.190.0070.00416.58
7.0.180.0000.01216.37
7.0.170.0060.00616.29
7.0.160.0040.00816.27
7.0.150.0030.00916.37
7.0.140.0060.00616.52
7.0.130.0040.01216.57
7.0.120.0080.00816.69
7.0.110.0080.00316.36
7.0.100.0050.00516.33
7.0.90.0060.00616.26
7.0.80.0030.00916.54
7.0.70.0090.00316.22
7.0.60.0090.00315.90
7.0.50.0000.01116.39
7.0.40.0030.01316.60
7.0.30.0000.01716.59
7.0.20.0070.00716.62
7.0.10.0060.00616.45
7.0.00.0060.00616.36

preferences:
42.98 ms | 401 KiB | 5 Q