3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = NULL; $y = NULL; $z = 3; var_dump($x ?? $y ?? $z); // result will be int(3)

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)
8.3.60.0150.00618.43
8.3.50.0100.00921.92
8.3.40.0120.00318.67
8.3.30.0080.00618.54
8.3.20.0040.00420.25
8.3.10.0040.00420.36
8.3.00.0060.00323.51
8.2.180.0170.00316.50
8.2.170.0070.00722.96
8.2.160.0110.00419.29
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0070.00021.00
8.2.120.0030.00626.35
8.2.110.0090.00019.34
8.2.100.0040.00718.04
8.2.90.0070.00019.17
8.2.80.0050.00317.97
8.2.70.0030.00617.63
8.2.60.0080.00017.64
8.2.50.0040.00418.09
8.2.40.0090.00022.09
8.2.30.0040.00419.29
8.2.20.0040.00417.61
8.2.10.0000.00717.88
8.2.00.0000.00717.91
8.1.280.0070.00725.92
8.1.270.0130.00722.03
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0030.00622.66
8.1.230.0070.00417.83
8.1.220.0070.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0080.00018.50
8.1.160.0020.00520.65
8.1.150.0070.00018.81
8.1.140.0040.00419.50
8.1.130.0050.00317.54
8.1.120.0030.00317.39
8.1.110.0040.00417.40
8.1.100.0000.00717.37
8.1.90.0050.00317.32
8.1.80.0000.00717.39
8.1.70.0000.00717.44
8.1.60.0060.00317.50
8.1.50.0000.00817.44
8.1.40.0040.00417.39
8.1.30.0040.00417.47
8.1.20.0080.00017.30
8.1.10.0030.00517.38
8.1.00.0040.00417.39
8.0.300.0080.00018.77
8.0.290.0050.00316.58
8.0.280.0030.00318.29
8.0.270.0000.00717.17
8.0.260.0000.00617.18
8.0.250.0030.00316.77
8.0.240.0050.00216.86
8.0.230.0030.00316.77
8.0.220.0030.00316.82
8.0.210.0070.00016.79
8.0.200.0030.00316.91
8.0.190.0040.00416.87
8.0.180.0000.00716.80
8.0.170.0040.00416.77
8.0.160.0070.00016.81
8.0.150.0080.00016.84
8.0.140.0090.00016.65
8.0.130.0060.00013.22
8.0.120.0030.00716.69
8.0.110.0070.00016.83
8.0.100.0030.00516.83
8.0.90.0000.00716.77
8.0.80.0060.01216.78
8.0.70.0050.00216.81
8.0.60.0000.00716.82
8.0.50.0000.00716.88
8.0.30.0120.00616.89
8.0.20.0100.01117.40
8.0.10.0000.00716.88
8.0.00.0110.00916.62
7.4.330.0000.00516.77
7.4.320.0030.00316.44
7.4.300.0030.00316.57
7.4.290.0000.00716.42
7.4.280.0000.01116.39
7.4.270.0060.00016.48
7.4.260.0040.00416.50
7.4.250.0040.00416.38
7.4.240.0030.00516.43
7.4.230.0030.00316.52
7.4.220.0100.01416.56
7.4.210.0080.01116.45
7.4.200.0030.00516.27
7.4.160.0040.01216.36
7.4.150.0080.01017.40
7.4.140.0090.01217.86
7.4.130.0120.00416.44
7.4.120.0140.00516.44
7.4.110.0080.00816.40
7.4.100.0130.01016.59
7.4.90.0070.01016.54
7.4.80.0070.01119.39
7.4.70.0130.00316.18
7.4.60.0190.00616.52
7.4.50.0130.00316.45
7.4.40.0120.00616.38
7.4.30.0070.01016.44
7.4.00.0100.00714.59
7.3.330.0020.00312.99
7.3.320.0000.00613.02
7.3.310.0060.00016.13
7.3.300.0000.00816.21
7.3.290.0070.00016.09
7.3.280.0080.01016.23
7.3.270.0140.00417.40
7.3.260.0130.00316.17
7.3.250.0070.01316.30
7.3.240.0110.00716.29
7.3.230.0070.01016.39
7.3.210.0140.00316.29
7.3.200.0130.00316.30
7.3.190.0110.00716.45
7.3.180.0080.00916.12
7.3.170.0160.00416.27
7.3.160.0100.00716.19
7.2.330.0100.00716.63
7.2.320.0030.01416.34
7.2.310.0200.00316.18
7.2.300.0070.01016.32
7.2.290.0030.01416.20
7.2.60.0000.01116.87
7.2.00.0050.00519.39
7.1.200.0000.00915.50
7.1.100.0060.00617.96
7.1.70.0030.00617.13
7.1.60.0120.01219.19
7.1.50.0030.02016.80
7.1.00.0070.06322.37
7.0.200.0340.00314.91
7.0.60.0230.08021.74
7.0.50.0030.07717.80
7.0.40.0100.06720.21
7.0.30.0170.05020.23
7.0.20.0300.07320.16
7.0.10.0030.04720.02
7.0.00.0100.06720.00
5.6.280.0000.07721.13
5.6.210.0100.05020.48
5.6.200.0030.04018.19
5.6.190.0070.04020.49
5.6.180.0200.05020.41
5.6.170.0330.07020.45
5.6.160.0100.05020.52
5.6.150.0070.04018.15
5.6.140.0130.03718.15
5.6.130.0070.08318.18
5.6.120.0130.07721.13
5.6.110.0100.08320.96
5.6.100.0100.05321.10
5.6.90.0070.04021.09
5.6.80.0070.04020.35
5.5.350.0270.08020.40
5.5.340.0030.07317.95
5.5.330.0070.04020.37
5.5.320.0170.04320.36
5.5.310.0200.08320.28
5.5.300.0070.08317.98
5.5.290.0070.08018.07
5.5.280.0100.07320.94
5.5.270.0070.05320.66
5.5.260.0000.05720.61
5.5.250.0030.08320.69
5.5.240.0100.07020.36

preferences:
60.15 ms | 401 KiB | 5 Q