3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ['teste' => 'teste']; $key = null; var_dump($a[$key] ?? ($key === null ? $a : null));

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)
8.3.60.0060.00916.38
8.3.50.0170.00621.91
8.3.40.0120.00318.64
8.3.30.0110.00418.63
8.3.20.0040.00420.16
8.3.10.0040.00423.60
8.3.00.0030.00523.48
8.2.180.0070.00718.17
8.2.170.0030.01218.90
8.2.160.0100.00622.96
8.2.150.0080.00025.66
8.2.140.0040.00424.66
8.2.130.0030.00619.85
8.2.120.0000.00726.35
8.2.110.0000.01022.13
8.2.100.0100.00317.93
8.2.90.0000.00819.08
8.2.80.0050.00317.97
8.2.70.0060.00317.62
8.2.60.0040.00417.93
8.2.50.0000.00818.07
8.2.40.0070.00020.41
8.2.30.0000.00820.61
8.2.20.0060.00317.66
8.2.10.0080.00018.04
8.2.00.0090.00017.87
8.1.280.0080.00625.92
8.1.270.0030.00623.86
8.1.260.0000.00728.09
8.1.250.0000.00828.09
8.1.240.0040.00822.01
8.1.230.0110.00019.01
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0000.00917.35
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0000.00918.65
8.1.160.0070.00020.63
8.1.150.0000.00718.77
8.1.140.0050.00319.57
8.1.130.0030.00317.68
8.1.120.0070.00017.29
8.1.110.0050.00317.41
8.1.100.0000.00817.43
8.1.90.0050.00317.46
8.1.80.0050.00217.43
8.1.70.0070.00017.29
8.1.60.0050.00217.54
8.1.50.0040.00417.60
8.1.40.0060.00317.55
8.1.30.0070.00017.71
8.1.20.0080.00017.67
8.1.10.0000.00717.50
8.1.00.0030.00617.45
8.0.300.0080.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00718.43
8.0.270.0000.00717.11
8.0.260.0050.00217.18
8.0.250.0030.00316.95
8.0.240.0030.00316.77
8.0.230.0030.00316.92
8.0.220.0000.00716.81
8.0.210.0070.00016.82
8.0.200.0040.00416.77
8.0.190.0040.00416.92
8.0.180.0040.00416.85
8.0.170.0000.00816.86
8.0.160.0030.00516.78
8.0.150.0080.00016.73
8.0.140.0060.00316.80
8.0.130.0000.00513.33
8.0.120.0040.00416.77
8.0.110.0070.00016.73
8.0.100.0070.00016.61
8.0.90.0000.00716.84
8.0.80.0090.00616.75
8.0.70.0040.00416.91
8.0.60.0040.00416.78
8.0.50.0040.00416.88
8.0.30.0150.00316.93
8.0.20.0100.01017.40
8.0.10.0000.00716.76
8.0.00.0090.00816.69
7.4.330.0050.00016.76
7.4.320.0000.00616.55
7.4.300.0030.00316.59
7.4.290.0030.00316.47
7.4.280.0080.00316.48
7.4.270.0030.00316.51
7.4.260.0030.00616.57
7.4.250.0020.00516.56
7.4.240.0030.00516.50
7.4.230.0030.00316.70
7.4.220.0030.01716.51
7.4.210.0080.00816.56
7.4.200.0040.00416.68
7.4.160.0090.00616.61
7.4.150.0160.00317.40
7.4.140.0090.00917.86
7.4.130.0100.00716.50
7.4.120.0110.00616.58
7.4.110.0080.00816.32
7.4.100.0060.01116.64
7.4.90.0120.01216.47
7.4.80.0140.00319.39
7.4.70.0040.01216.64
7.4.60.0070.01016.32
7.4.50.0000.01516.28
7.4.40.0170.00316.39
7.4.30.0150.00316.33
7.4.00.0090.00614.71
7.3.330.0050.00012.95
7.3.320.0000.00512.99
7.3.310.0000.00716.25
7.3.300.0030.00316.04
7.3.290.0070.00016.23
7.3.280.0080.00916.23
7.3.270.0090.00917.40
7.3.260.0070.01016.71
7.3.250.0140.00416.36
7.3.240.0110.00616.23
7.3.230.0030.01316.39
7.3.210.0130.02216.38
7.3.200.0030.01719.39
7.3.190.0080.00816.28
7.3.180.0120.00316.63
7.3.170.0140.00716.63
7.3.160.0060.01016.48
7.2.330.0110.00816.45
7.2.320.0120.00616.39
7.2.310.0130.00416.60
7.2.300.0030.01416.54
7.2.290.0060.01016.44
7.2.60.0100.00616.67
7.2.00.0090.00619.23
7.1.200.0040.00715.66
7.1.100.0060.00618.03
7.1.70.0040.00417.21
7.1.60.0110.01519.21
7.1.50.0100.01016.98
7.1.00.0000.08022.49
7.0.200.0040.00416.90
7.0.60.0000.08721.69
7.0.50.0070.03717.77
7.0.40.0070.09020.06
7.0.30.0230.04320.04
7.0.20.0270.08020.00
7.0.10.0100.05020.27
7.0.00.0070.05020.04
5.6.280.0070.03721.10
5.6.210.0230.05020.45
5.6.200.0100.07718.12
5.6.190.0100.08320.48
5.6.180.0230.03720.57
5.6.170.0230.08020.56
5.6.160.0100.05020.61
5.6.150.0170.04018.14
5.6.140.0100.06018.28
5.6.130.0100.07318.15
5.6.120.0030.04020.96
5.6.110.0030.04320.98
5.6.100.0100.06321.02
5.6.90.0100.05020.87
5.6.80.0100.07020.28
5.5.350.0130.06020.42
5.5.340.0070.08717.96
5.5.330.0070.08020.19
5.5.320.0670.06720.30
5.5.310.0170.08720.50
5.5.300.0070.06017.95
5.5.290.0070.04018.06
5.5.280.0130.08020.86
5.5.270.0070.04020.64
5.5.260.0070.07720.76
5.5.250.0070.08320.58
5.5.240.0130.06720.23

preferences:
58.6 ms | 401 KiB | 5 Q