3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 123 => true]; var_dump($array[123] ?? 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)
8.3.60.0070.01416.50
8.3.50.0030.01216.37
8.3.40.0070.00718.43
8.3.30.0110.00318.32
8.3.20.0040.00420.34
8.3.10.0040.00423.42
8.3.00.0060.00319.26
8.2.180.0110.01118.14
8.2.170.0070.00722.96
8.2.160.0170.00320.39
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0020.00521.11
8.2.120.0060.00326.35
8.2.110.0060.00320.35
8.2.100.0060.00618.09
8.2.90.0040.00419.08
8.2.80.0000.00817.97
8.2.70.0030.00617.50
8.2.60.0080.00018.04
8.2.50.0040.00418.10
8.2.40.0040.00420.46
8.2.30.0040.00421.04
8.2.20.0040.00418.04
8.2.10.0000.00717.87
8.2.00.0000.00718.07
8.1.280.0090.00625.92
8.1.270.0100.00021.93
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0080.00021.03
8.1.230.0040.00820.88
8.1.220.0080.00017.74
8.1.210.0030.00618.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0000.00918.10
8.1.170.0000.00918.38
8.1.160.0000.00718.90
8.1.150.0030.00620.62
8.1.140.0040.00419.46
8.1.130.0040.00718.83
8.1.120.0030.00317.45
8.1.110.0000.00717.36
8.1.100.0040.00417.33
8.1.90.0000.00717.43
8.1.80.0050.00317.41
8.1.70.0040.00417.40
8.1.60.0000.00717.59
8.1.50.0040.00417.41
8.1.40.0000.00817.57
8.1.30.0040.00417.72
8.1.20.0020.00517.64
8.1.10.0060.00317.48
8.1.00.0000.00817.31
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0070.00018.31
8.0.270.0030.00317.18
8.0.260.0000.00916.75
8.0.250.0070.00016.94
8.0.240.0030.00516.88
8.0.230.0030.00316.85
8.0.220.0030.00316.79
8.0.210.0030.00316.73
8.0.200.0000.00716.90
8.0.190.0060.00616.75
8.0.180.0040.00416.79
8.0.170.0030.00316.89
8.0.160.0000.00716.75
8.0.150.0040.00416.78
8.0.140.0090.00016.68
8.0.130.0060.00013.26
8.0.120.0040.00416.68
8.0.110.0040.00416.70
8.0.100.0040.00416.88
8.0.90.0000.00716.86
8.0.80.0000.01616.80
8.0.70.0000.00716.64
8.0.60.0070.00016.89
8.0.50.0040.00416.66
8.0.30.0140.00816.95
8.0.20.0070.01317.40
8.0.10.0060.00316.80
8.0.00.0110.00816.80
7.4.330.0020.00315.55
7.4.320.0000.00716.53
7.4.300.0000.00616.39
7.4.290.0070.00316.37
7.4.280.0040.00416.41
7.4.270.0000.00716.44
7.4.260.0030.00313.21
7.4.250.0000.00716.50
7.4.240.0070.00016.55
7.4.230.0030.00316.48
7.4.220.0000.01616.48
7.4.210.0050.01516.56
7.4.200.0070.00016.32
7.4.160.0100.00616.53
7.4.150.0040.01317.40
7.4.140.0080.01017.86
7.4.130.0150.01316.61
7.4.120.0140.00516.48
7.3.330.0000.00513.05
7.3.320.0000.00513.05
7.3.310.0030.00316.14
7.3.300.0060.00015.95
7.3.290.0030.00316.24
7.3.280.0090.00716.20
7.3.270.0150.00917.40
7.3.260.0080.01316.62
7.3.250.0120.00616.21
7.3.240.0110.00616.38
7.0.190.0000.01116.64

preferences:
43.7 ms | 400 KiB | 5 Q