3v4l.org

run code in 300+ PHP versions simultaneously
<?php $counts = []; $item = 1; $counts[$item] ?? $counts[$item] = 1 ?? $counts[$item]++; var_dump($counts); $item = new StdClass; @$counts[$item] = "This is a bad use of error suppression.";

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)
8.3.60.0070.00716.88
8.3.50.0100.00921.24
8.3.40.0150.00618.80
8.3.30.0070.00718.73
8.3.20.0040.00420.33
8.3.10.0050.00323.65
8.3.00.0040.00421.94
8.2.180.0040.01118.54
8.2.170.0110.00722.96
8.2.160.0040.01120.52
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0050.00321.05
8.2.120.0040.00426.35
8.2.110.0060.00319.39
8.2.100.0080.00417.93
8.2.90.0040.00419.29
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0060.00318.03
8.2.50.0110.00018.09
8.2.40.0000.00822.33
8.2.30.0000.00719.41
8.2.20.0040.00417.68
8.2.10.0040.00418.01
8.2.00.0040.00418.12
8.1.280.0040.01525.92
8.1.270.0180.00022.09
8.1.260.0040.00428.09
8.1.250.0050.00328.09
8.1.240.0060.00322.23
8.1.230.0070.00317.82
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.48
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0040.00418.65
8.1.160.0040.00420.71
8.1.150.0110.00018.76
8.1.140.0080.00019.53
8.1.130.0040.00417.69
8.1.120.0000.00717.35
8.1.110.0060.00317.39
8.1.100.0080.00017.44
8.1.90.0030.00617.52
8.1.80.0040.00817.39
8.1.70.0030.00317.44
8.1.60.0000.00717.54
8.1.50.0030.00517.54
8.1.40.0070.00717.40
8.1.30.0000.00817.55
8.1.20.0020.00517.61
8.1.10.0040.00417.60
8.1.00.0000.00717.52
8.0.300.0040.00418.77
8.0.290.0070.00016.88
8.0.280.0030.00318.43
8.0.270.0030.00317.23
8.0.260.0040.00417.26
8.0.250.0030.00317.09
8.0.240.0030.00616.95
8.0.230.0000.00616.91
8.0.220.0040.00416.84
8.0.210.0030.00316.93
8.0.200.0050.00217.04
8.0.190.0060.00317.01
8.0.180.0040.00417.01
8.0.170.0070.00016.94
8.0.160.0040.00417.01
8.0.150.0070.00016.80
8.0.140.0040.00816.87
8.0.130.0000.00513.31
8.0.120.0000.00816.89
8.0.110.0070.00017.00
8.0.100.0000.00717.01
8.0.90.0090.00017.02
8.0.80.0040.01716.97
8.0.70.0040.00416.80
8.0.60.0070.00016.82
8.0.50.0000.00816.89
8.0.30.0070.01117.03
8.0.20.0120.00717.40
8.0.10.0040.00417.03
8.0.00.0090.00916.90
7.4.330.0000.00516.83
7.4.320.0000.00616.51
7.4.300.0000.00716.40
7.4.290.0030.00316.61
7.4.280.0030.00616.58
7.4.270.0030.00516.42
7.4.260.0060.00016.46
7.4.250.0030.00316.56
7.4.240.0030.00316.51
7.4.230.0070.00016.67
7.4.220.0060.01116.67
7.4.210.0070.01116.54
7.4.200.0030.00316.61
7.4.160.0070.00716.29
7.4.150.0070.01617.40
7.4.140.0180.00917.86
7.4.130.0100.00816.60
7.4.120.0070.01016.71
7.4.110.0090.01316.57
7.4.100.0100.01316.43
7.4.90.0060.00916.38
7.4.80.0060.01519.39
7.4.70.0070.01016.60
7.4.60.0080.00816.58
7.4.50.0000.01416.41
7.4.40.0110.01116.53
7.4.30.0110.00716.72
7.4.00.0040.00915.18
7.3.330.0030.00313.30
7.3.320.0060.00013.25
7.3.310.0040.00416.39
7.3.300.0000.00616.18
7.3.290.0030.00316.36
7.3.280.0070.00916.31
7.3.270.0060.01117.40
7.3.260.0090.00916.32
7.3.250.0070.01216.36
7.3.240.0090.01116.58
7.3.230.0170.00016.45
7.3.210.0040.01516.47
7.3.200.0130.01019.39
7.3.190.0060.01016.57
7.3.180.0060.01016.50
7.3.170.0070.01016.28
7.3.160.0090.00616.51
7.3.10.0060.00916.46
7.3.00.0030.00716.70
7.2.330.0150.00316.68
7.2.320.0110.01116.52
7.2.310.0100.00716.63
7.2.300.0090.00916.53
7.2.290.0090.00616.75
7.2.130.0000.01117.00
7.2.120.0080.00416.89
7.2.110.0030.01016.77
7.2.100.0040.00816.82
7.2.90.0030.01016.80
7.2.80.0030.00717.21
7.2.70.0000.00916.76
7.2.60.0060.00616.84
7.2.50.0070.00317.00
7.2.40.0060.00616.57
7.2.30.0040.00717.02
7.2.20.0070.00416.99
7.2.10.0040.00817.07
7.2.00.0050.00818.36
7.1.250.0000.01215.91
7.1.200.0170.01115.72
7.1.100.0030.00718.16
7.1.70.0080.00017.19
7.1.60.0100.01619.40
7.1.50.0120.00016.60
7.1.00.0100.07022.45
7.0.200.5220.00314.83
7.0.60.0170.07721.59
7.0.50.0030.07017.79
7.0.40.0000.04720.05
7.0.30.0170.06320.21
7.0.20.0200.04320.09
7.0.10.0100.06020.20
7.0.00.0100.04320.08
5.6.280.0000.05021.14
5.6.210.0070.08320.46
5.6.200.0000.08318.18
5.6.190.0100.08720.63
5.6.180.0400.06020.68
5.6.170.0230.05020.45
5.6.160.0100.05020.50
5.6.150.0030.07018.17
5.6.140.0100.07718.20
5.6.130.0100.08018.18
5.6.120.0030.06021.11
5.6.110.0030.08021.11
5.6.100.0070.07320.96
5.6.90.0070.07020.98
5.6.80.0000.09320.52
5.5.350.0270.07720.43
5.5.340.0030.04017.92
5.5.330.0070.06020.43
5.5.320.0100.07720.24
5.5.310.0200.07720.34
5.5.300.0100.07318.09
5.5.290.0070.04017.94
5.5.280.0070.08020.84
5.5.270.0100.04020.72
5.5.260.0100.08320.75
5.5.250.0100.08020.78
5.5.240.0200.05020.21

preferences:
46 ms | 401 KiB | 5 Q