3v4l.org

run code in 300+ PHP versions simultaneously
<?php $val = null; var_dump([$val ?? 1]);

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)
8.3.70.0040.01116.58
8.3.60.0060.00918.18
8.3.50.0070.01418.17
8.3.40.0030.01718.67
8.3.30.0180.00418.66
8.3.20.0060.00919.20
8.3.10.0080.00823.71
8.3.00.0000.01620.73
8.2.180.0030.01225.92
8.2.170.0110.00422.96
8.2.160.0070.00720.46
8.2.150.0000.01624.18
8.2.140.0050.00324.66
8.2.130.0130.00418.09
8.2.120.0140.00026.35
8.2.110.0100.00021.13
8.2.100.0040.00817.78
8.2.90.0040.00417.63
8.2.80.0030.00517.97
8.2.70.0080.00018.04
8.2.60.0000.00718.03
8.2.50.0080.00018.10
8.2.40.0000.00719.38
8.2.30.0000.00719.29
8.2.20.0040.00418.16
8.2.10.0000.00718.09
8.2.00.0030.00617.69
8.1.280.0070.00725.92
8.1.270.0140.00718.69
8.1.260.0090.00026.35
8.1.250.0050.00328.09
8.1.240.0030.00623.98
8.1.230.0030.00918.99
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0060.00317.36
8.1.180.0000.00918.10
8.1.170.0000.00818.49
8.1.160.0000.00818.78
8.1.150.0040.00418.75
8.1.140.0030.00322.06
8.1.130.0000.00720.26
8.1.120.0000.00717.47
8.1.110.0040.00417.47
8.1.100.0040.00417.43
8.1.90.0000.00817.35
8.1.80.0030.00617.33
8.1.70.0040.00417.34
8.1.60.0000.00817.47
8.1.50.0040.00417.54
8.1.40.0000.00917.39
8.1.30.0000.01217.60
8.1.20.0030.00517.63
8.1.10.0070.00017.40
8.1.00.0070.00017.45
8.0.300.0030.00618.77
8.0.290.0040.00416.63
8.0.280.0000.00718.44
8.0.270.0050.00217.15
8.0.260.0030.00318.32
8.0.250.0070.00016.93
8.0.240.0030.00316.87
8.0.230.0040.00416.94
8.0.220.0050.00216.85
8.0.210.0000.00716.76
8.0.200.0000.00616.82
8.0.190.0030.00616.95
8.0.180.0050.00216.79
8.0.170.0040.00416.78
8.0.160.0040.00416.90
8.0.150.0030.00316.93
8.0.140.0040.00416.88
8.0.130.0060.00013.27
8.0.120.0030.00316.77
8.0.110.0040.00416.84
8.0.100.0030.00416.73
8.0.90.0040.00416.76
8.0.80.0090.00916.86
8.0.70.0070.00016.66
8.0.60.0040.00416.83
8.0.50.0000.00716.92
8.0.30.0100.00617.01
8.0.20.0120.00717.40
8.0.10.0000.00817.10
8.0.00.0090.00816.63
7.4.330.0000.00615.55
7.4.320.0030.00316.55
7.4.300.0000.00716.57
7.4.290.0000.00716.59
7.4.280.0000.00716.49
7.4.270.0070.00316.64
7.4.260.0030.00316.47
7.4.250.0000.00816.47
7.4.240.0030.00316.45
7.4.230.0000.00716.66
7.4.220.0000.00716.35
7.4.210.0050.01116.64
7.4.200.0000.00716.57
7.4.160.0140.00516.43
7.4.140.0140.01017.86
7.4.130.0060.01216.43
7.4.120.0090.00816.53
7.4.110.0040.01916.63
7.4.100.0030.01316.39
7.4.90.0130.00316.50
7.4.80.0000.01919.39
7.4.70.0080.00816.43
7.4.60.0090.00616.41
7.4.50.0150.00416.38
7.4.40.0130.00916.58
7.4.00.0070.01115.01
7.3.330.0000.00513.05
7.3.320.0050.00013.18
7.3.310.0080.00316.14
7.3.300.0000.00716.05
7.3.290.0000.00616.20
7.3.280.0110.00916.21
7.3.260.0140.00716.28
7.3.240.0090.00816.40
7.3.230.0130.00616.55
7.3.210.0110.00616.16
7.3.200.0080.00816.20
7.3.190.0100.00716.29
7.3.180.0070.01016.21
7.3.170.0140.00716.39
7.3.160.0110.00416.30
7.2.330.0120.00616.49
7.2.320.0090.00916.30
7.2.310.0120.00416.39
7.2.300.0060.01016.23
7.2.290.0040.01116.75
7.2.110.0260.00714.28
7.2.100.0190.00614.57
7.2.90.1330.00014.38
7.2.80.0260.01014.56
7.2.70.0200.00314.93
7.2.60.0190.00614.59
7.2.50.0260.01014.86
7.2.40.0260.00314.82
7.2.30.0270.00714.89
7.2.20.0260.01314.73
7.2.10.0380.01314.57
7.2.00.0200.01314.86
7.1.230.0220.00313.62
7.1.220.0190.00613.57
7.1.210.0230.00313.62
7.1.200.0310.00713.44
7.1.190.0240.00313.65
7.1.180.0280.00713.76
7.1.170.0300.01013.66
7.1.160.0170.00913.52
7.1.150.0200.00313.63
7.1.140.0270.00613.50
7.1.130.0240.00613.45
7.1.120.0400.00013.66
7.1.110.0340.01013.39
7.1.100.0180.00913.74
7.1.90.0250.00413.69
7.1.80.0230.00313.48
7.1.70.0230.00613.57
7.1.60.0380.01231.49
7.1.50.0440.00331.73
7.1.40.1140.01331.75
7.1.30.0580.00631.60
7.1.20.0420.01331.82
7.1.10.0220.01013.70
7.1.00.0250.00713.63
5.6.380.0110.00614.07

preferences:
78 ms | 401 KiB | 5 Q