3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo; $bar = 2; echo($foo ?? $bar); echo((isset($foo) && $foo !== null) ? $foo : $bar);

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)
8.3.60.0110.01116.48
8.3.50.0080.01021.07
8.3.40.0140.00318.59
8.3.30.0030.01018.64
8.3.20.0120.00621.96
8.3.10.0070.00023.70
8.3.00.0080.00023.58
8.2.180.0070.01118.29
8.2.170.0110.00422.96
8.2.160.0100.00319.51
8.2.150.0050.00224.18
8.2.140.0060.00324.66
8.2.130.0000.00820.93
8.2.120.0080.00026.35
8.2.110.0090.00022.13
8.2.100.0080.00418.03
8.2.90.0040.00419.05
8.2.80.0070.00317.97
8.2.70.0000.00817.47
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0060.00322.38
8.2.30.0030.00320.48
8.2.20.0040.00417.58
8.2.10.0080.00318.04
8.2.00.0000.00717.91
8.1.280.0110.00425.92
8.1.270.0050.00523.67
8.1.260.0040.00428.09
8.1.250.0070.00028.09
8.1.240.0080.00023.79
8.1.230.0030.00717.77
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0050.00517.25
8.1.190.0040.00417.22
8.1.180.0000.00818.10
8.1.170.0030.00618.43
8.1.160.0050.00220.76
8.1.150.0000.00718.86
8.1.140.0030.00619.56
8.1.130.0040.00417.54
8.1.120.0000.00717.38
8.1.110.0000.00717.36
8.1.100.0000.00717.33
8.1.90.0030.00517.34
8.1.80.0070.00317.49
8.1.70.0030.00317.41
8.1.60.0040.00817.52
8.1.50.0000.00817.42
8.1.40.0040.00417.53
8.1.30.0050.00317.64
8.1.20.0000.00817.70
8.1.10.0040.00417.54
8.1.00.0070.00417.32
8.0.300.0000.00718.77
8.0.290.0000.00716.75
8.0.280.0000.00818.35
8.0.270.0030.00317.24
8.0.260.0040.00417.18
8.0.250.0000.00716.94
8.0.240.0000.00716.91
8.0.230.0000.00816.96
8.0.220.0000.00716.86
8.0.210.0000.00916.85
8.0.200.0030.00316.95
8.0.190.0030.00616.92
8.0.180.0040.00416.88
8.0.170.0000.00816.83
8.0.160.0040.00316.87
8.0.150.0040.00416.68
8.0.140.0040.00416.84
8.0.130.0020.00513.23
8.0.120.0080.00016.84
8.0.110.0000.00716.84
8.0.100.0000.00716.73
8.0.90.0040.00416.95
8.0.80.0030.01316.86
8.0.70.0000.00716.91
8.0.60.0000.00816.82
8.0.50.0000.00916.67
8.0.30.0070.01017.01
8.0.20.0120.00817.40
8.0.10.0000.00716.80
8.0.00.0120.00616.67
7.4.330.0000.00516.67
7.4.320.0000.00616.46
7.4.300.0000.00716.48
7.4.290.0030.00316.48
7.4.280.0030.00616.58
7.4.270.0000.00616.63
7.4.260.0000.00816.43
7.4.250.0070.00016.46
7.4.240.0040.00316.45
7.4.230.0000.00716.63
7.4.220.0030.01516.51
7.4.210.0090.00916.45
7.4.200.0040.00316.61
7.4.160.0060.00916.47
7.4.150.0140.00317.40
7.4.140.0090.01117.86
7.4.130.0060.01116.41
7.4.120.0140.00516.52
7.4.110.0070.01016.57
7.4.100.0100.00616.57
7.4.90.0120.00616.36
7.4.80.0080.00819.39
7.4.70.0070.01016.61
7.4.60.0090.00616.36
7.4.50.0070.01116.36
7.4.40.0040.01316.46
7.4.30.0150.00716.29
7.4.00.0140.00315.09
7.3.330.0030.00312.97
7.3.320.0050.00012.95
7.3.310.0030.00316.20
7.3.300.0030.00316.27
7.3.290.0100.00516.21
7.3.280.0080.00916.19
7.3.270.0100.00717.40
7.3.260.0110.00616.53
7.3.250.0060.01316.37
7.3.240.0070.01016.25
7.3.230.0110.00616.39
7.3.210.0170.00016.41
7.3.200.0070.01016.33
7.3.190.0090.00916.43
7.3.180.0110.01016.43
7.3.170.0100.01016.27
7.3.160.0030.01316.42
7.2.330.0120.00616.23
7.2.320.0130.00316.66
7.2.310.0090.00616.74
7.2.300.0080.00916.71
7.2.290.0060.01016.65
7.2.60.0030.01016.87
7.2.00.0030.00919.36
7.1.200.0070.00315.43
7.1.100.0090.00017.95
7.1.70.0040.00417.25
7.1.60.0000.01819.05
7.1.50.0030.00916.87
7.1.00.0000.07722.54
7.0.200.0350.00314.69
7.0.60.0130.07720.01
7.0.50.0130.06717.79
7.0.40.0100.08019.98
7.0.30.0330.07720.18
7.0.20.0330.05320.09
7.0.10.0070.07020.16
7.0.00.0030.04720.20
5.6.280.0030.05721.07
5.6.210.0030.07020.66
5.6.200.0030.08018.20
5.6.190.0130.07020.63
5.6.180.0230.08720.57
5.6.170.0230.07720.62
5.6.160.0030.04320.47
5.6.150.0130.05018.15
5.6.140.0100.09718.18
5.6.130.0030.07018.19
5.6.120.0100.03720.98
5.6.110.0070.04021.11
5.6.100.0030.04320.97
5.6.90.0030.08320.92
5.6.80.0200.07020.39
5.5.350.4170.04320.41
5.5.340.0130.04318.04
5.5.330.0100.06320.40
5.5.320.0170.04320.27
5.5.310.0230.07020.32
5.5.300.0200.07018.07
5.5.290.0130.06017.98
5.5.280.0100.08020.79
5.5.270.0030.04020.95
5.5.260.0030.04020.86
5.5.250.0170.07320.59
5.5.240.0200.06320.21

preferences:
53.07 ms | 401 KiB | 5 Q