3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['' => 1]; var_dump($a[''] ?? 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)
8.3.60.0130.00718.18
8.3.50.0120.00618.20
8.3.40.0070.00718.84
8.3.30.0120.00318.70
8.3.20.0040.00419.16
8.3.10.0040.00421.90
8.3.00.0000.00720.63
8.2.180.0000.01518.13
8.2.170.0070.00722.96
8.2.160.0100.00320.38
8.2.150.0070.00024.18
8.2.140.0070.00024.66
8.2.130.0110.00717.96
8.2.120.0070.00026.35
8.2.110.0070.00320.51
8.2.100.0110.00017.72
8.2.90.0070.00317.61
8.2.80.0050.00317.97
8.2.70.0050.00317.93
8.2.60.0030.00518.21
8.2.50.0000.00818.10
8.2.40.0060.00321.07
8.2.30.0000.00719.36
8.2.20.0110.00017.94
8.2.10.0080.00017.96
8.2.00.0000.00917.59
8.1.280.0090.00625.92
8.1.270.0080.00020.73
8.1.260.0060.00326.35
8.1.250.0000.00728.09
8.1.240.0000.00922.11
8.1.230.0040.00722.11
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0000.00817.23
8.1.180.0000.00718.10
8.1.170.0040.00418.52
8.1.160.0070.00018.85
8.1.150.0000.00718.79
8.1.140.0070.00022.08
8.1.130.0030.00321.93
8.1.120.0000.00717.36
8.1.110.0050.00217.35
8.1.100.0000.00717.45
8.1.90.0000.00717.32
8.1.80.0040.00417.42
8.1.70.0030.00717.37
8.1.60.0090.00017.55
8.1.50.0040.00417.56
8.1.40.0020.00517.52
8.1.30.0030.00617.68
8.1.20.0000.00717.68
8.1.10.0000.00717.56
8.1.00.0040.00417.32
8.0.300.0060.00318.77
8.0.290.0040.00416.63
8.0.280.0000.00718.44
8.0.270.0030.00317.24
8.0.260.0060.00018.29
8.0.250.0000.00716.84
8.0.240.0030.00516.79
8.0.230.0000.00616.85
8.0.220.0040.00416.81
8.0.210.0070.00016.71
8.0.200.0080.00016.86
8.0.190.0040.00416.83
8.0.180.0030.00616.74
8.0.170.0080.00016.82
8.0.160.0000.00716.90
8.0.150.0030.00316.89
8.0.140.0070.00016.68
8.0.130.0000.00513.25
8.0.120.0030.00516.75
8.0.110.0040.00416.88
8.0.100.0000.00716.61
8.0.90.0040.00416.85
8.0.80.0060.01016.86
8.0.70.0020.00516.89
8.0.60.0080.00016.89
8.0.50.0040.00416.68
8.0.30.0110.00717.09
8.0.20.0110.01117.40
8.0.10.0070.00016.97
8.0.00.0120.01016.84
7.4.330.0020.00215.55
7.4.320.0000.00716.50
7.4.300.0040.00416.52
7.4.290.0030.00316.54
7.4.280.0040.00416.39
7.4.270.0060.00016.45
7.4.260.0070.00016.54
7.4.250.0000.00816.52
7.4.240.0070.00016.56
7.4.230.0030.00316.19
7.4.220.0030.00516.24
7.4.210.0070.00916.53
7.4.200.0000.00716.59
7.4.160.0090.00816.40
7.4.140.0100.01017.86
7.4.130.0060.01216.48
7.4.120.0090.00816.44
7.4.110.0040.01816.39
7.4.100.0100.01016.60
7.4.90.0060.01016.48
7.4.80.0110.00519.39
7.4.70.0090.00916.41
7.4.60.0100.00616.25
7.4.50.0070.01116.31
7.4.40.0030.01316.35
7.3.330.0020.00212.94
7.3.320.0050.00013.04
7.3.310.0040.00416.16
7.3.300.0000.00716.09
7.3.290.0000.00716.22
7.3.280.0050.01016.16
7.3.260.0090.01016.42
7.3.240.0080.01116.42
7.3.230.0060.01016.29
7.3.210.0100.00716.41
7.3.200.0120.00616.34
7.3.190.0130.01016.39
7.3.180.0090.00616.43
7.3.170.0110.01116.49
7.3.160.0060.01616.18
7.2.330.0120.00616.38
7.2.320.0070.01116.31
7.2.310.0110.00616.61
7.2.300.0090.00616.64
7.2.290.0170.00016.73

preferences:
65.62 ms | 400 KiB | 5 Q