3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = $b ?? $k;

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)
8.3.60.0200.00016.50
8.3.50.0110.01118.18
8.3.40.0150.00618.71
8.3.30.0100.00618.57
8.3.20.0070.00020.02
8.3.10.0000.00821.78
8.3.00.0040.00419.25
8.2.180.0070.00716.38
8.2.170.0100.00722.96
8.2.160.0110.01120.35
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0030.00517.38
8.2.120.0000.00826.35
8.2.110.0000.01022.26
8.2.100.0070.00417.84
8.2.90.0050.00319.27
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0040.00417.90
8.2.50.0040.00418.07
8.2.40.0070.00019.09
8.2.30.0050.00220.48
8.2.20.0040.00417.62
8.2.10.0040.00418.03
8.2.00.0040.00418.04
8.1.280.0060.01125.92
8.1.270.0000.01122.07
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0040.00423.83
8.1.230.0080.00419.00
8.1.220.0030.00617.74
8.1.210.0000.00918.77
8.1.200.0000.00917.22
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0020.00518.77
8.1.160.0040.00421.88
8.1.150.0000.00718.88
8.1.140.0040.00419.50
8.1.130.0030.00317.61
8.1.120.0030.00317.46
8.1.110.0000.00717.39
8.1.100.0030.00517.40
8.1.90.0000.00717.30
8.1.80.0030.00517.27
8.1.70.0070.00017.26
8.1.60.0080.00017.46
8.1.50.0080.00017.49
8.1.40.0000.00817.50
8.1.30.0030.00517.55
8.1.20.0000.00717.52
8.1.10.0070.00017.47
8.1.00.0040.00417.36
8.0.300.0070.00018.77
8.0.290.0070.00016.75
8.0.280.0000.00718.34
8.0.270.0030.00317.07
8.0.260.0030.00317.20
8.0.250.0030.00316.78
8.0.240.0000.00716.89
8.0.230.0040.00416.89
8.0.220.0070.00016.82
8.0.210.0030.00316.94
8.0.200.0070.00016.93
8.0.190.0040.00416.92
8.0.180.0040.00416.91
8.0.170.0040.00416.92
8.0.160.0000.00716.95
8.0.150.0050.00316.84
8.0.140.0050.00216.81
8.0.130.0070.00013.34
8.0.120.0000.00816.84
8.0.110.0040.00416.94
8.0.100.0040.00416.83
8.0.90.0040.00416.92
8.0.80.0120.00916.83
8.0.70.0050.00216.75
8.0.60.0000.00816.87
8.0.50.0060.00316.83
8.0.30.0110.00917.04
8.0.20.0100.01017.40
8.0.10.0050.00216.89
8.0.00.0060.01416.75
7.4.330.0000.00516.66
7.4.320.0030.00316.45
7.4.300.0030.00316.53
7.4.290.0070.00016.39
7.4.280.0030.00516.53
7.4.270.0030.00316.43
7.4.260.0030.00616.41
7.4.250.0000.00716.33
7.4.240.0050.00216.40
7.4.230.0000.00716.61
7.4.220.0070.01716.28
7.4.210.0000.01716.39
7.4.200.0000.00716.50
7.4.160.0060.00916.38
7.4.150.0030.01517.40
7.4.140.0090.01217.86
7.4.130.0100.00816.38
7.4.120.0080.00816.34
7.4.110.0140.00716.43
7.4.100.0160.00916.60
7.4.90.0000.01716.35
7.4.80.0060.00919.39
7.4.70.0060.01216.55
7.4.60.0000.01616.37
7.4.50.0070.01016.34
7.4.40.0210.00016.13
7.4.30.0110.00716.30
7.4.00.0070.00715.15
7.3.330.0020.00513.00
7.3.320.0000.00513.00
7.3.310.0070.00016.34
7.3.300.0030.00316.15
7.3.290.0060.00916.27
7.3.280.0090.00716.22
7.3.270.0140.00617.40
7.3.260.0060.01116.27
7.3.250.0160.01516.31
7.3.240.0080.00816.17
7.3.230.0060.01116.39
7.3.210.0060.00916.49
7.3.200.0120.00916.30
7.3.190.0390.02616.30
7.3.180.0040.01116.50
7.3.170.0110.01116.31
7.3.160.0100.01016.46
7.3.10.0000.01616.77
7.3.00.0030.01216.31
7.2.330.0070.01116.23
7.2.320.0100.00716.56
7.2.310.0080.00816.42
7.2.300.0110.00516.61
7.2.290.0140.00716.31
7.2.130.0000.01316.46
7.2.120.0000.01116.67
7.2.110.0040.01116.76
7.2.100.0060.00616.68
7.2.90.0120.00016.56
7.2.80.0070.00716.71
7.2.70.0060.00616.78
7.2.60.0050.01116.74
7.2.50.0140.00316.77
7.2.40.0040.01216.54
7.2.30.0090.00016.96
7.2.20.0070.00716.78
7.2.10.0030.01316.66
7.2.00.0100.00617.98
7.1.250.0080.00315.67
7.1.200.0030.00915.43
7.1.100.0040.00417.84
7.1.70.0000.00816.78
7.1.60.0130.01019.36
7.1.50.0120.00916.96
7.1.00.0030.07722.54
7.0.200.0060.00316.35
7.0.60.0030.07719.79
7.0.50.0070.08017.80
7.0.40.0030.04319.90
7.0.30.0130.05320.09
7.0.20.0330.08020.16
7.0.10.0070.08720.33
7.0.00.0170.08020.09
5.6.280.0030.03321.12
5.6.210.0100.07720.47
5.6.200.0170.07018.18
5.6.190.0100.03720.67
5.6.180.0370.03720.58
5.6.170.0200.05020.47
5.6.160.0100.07020.55
5.6.150.0000.06718.19
5.6.140.0030.06718.14
5.6.130.0030.08018.22
5.6.120.0100.05720.96
5.6.110.0300.02720.95
5.6.100.0230.05721.11
5.6.90.0030.05321.00
5.6.80.0070.03320.53
5.5.350.4270.03720.42
5.5.340.0070.05717.98
5.5.330.0000.05720.46
5.5.320.0030.08320.34
5.5.310.0230.03720.26
5.5.300.0170.07717.95
5.5.290.0030.04718.08
5.5.280.0030.05020.73
5.5.270.0030.05020.76
5.5.260.0030.06320.87
5.5.250.0030.04020.77
5.5.240.0300.05320.34

preferences:
69.81 ms | 400 KiB | 5 Q