3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = array(); array_keys($categories);

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)
8.3.60.0070.01118.43
8.3.50.0060.00916.26
8.3.40.0140.00018.55
8.3.30.0060.00918.59
8.3.20.0070.00020.04
8.3.10.0030.00523.27
8.3.00.0080.00019.79
8.2.180.0190.00318.32
8.2.170.0040.01122.96
8.2.160.0070.00719.08
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0030.00520.94
8.2.120.0040.00426.35
8.2.110.0030.00620.52
8.2.100.0130.00017.84
8.2.90.0080.00019.23
8.2.80.0040.00417.97
8.2.70.0000.00917.50
8.2.60.0060.00318.04
8.2.50.0080.00018.10
8.2.40.0000.00820.59
8.2.30.0080.00020.88
8.2.20.0050.00318.07
8.2.10.0040.00418.09
8.2.00.0000.00717.92
8.1.280.0190.00025.92
8.1.270.0030.00523.96
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0060.00321.96
8.1.230.0060.00618.95
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0040.00418.51
8.1.160.0040.00418.99
8.1.150.0050.00320.61
8.1.140.0040.00419.63
8.1.130.0070.00018.80
8.1.120.0000.00717.43
8.1.110.0050.00317.32
8.1.100.0000.00717.36
8.1.90.0000.00717.38
8.1.80.0030.00317.39
8.1.70.0000.00717.37
8.1.60.0040.00417.54
8.1.50.0030.00517.52
8.1.40.0060.00317.54
8.1.30.0030.00617.66
8.1.20.0000.00717.59
8.1.10.0020.00517.62
8.1.00.0070.00017.54
8.0.300.0000.00719.89
8.0.290.0000.00716.63
8.0.280.0040.00418.43
8.0.270.0040.00417.18
8.0.260.0030.00316.69
8.0.250.0070.00016.92
8.0.240.0080.00017.00
8.0.230.0000.00816.80
8.0.220.0030.00616.79
8.0.210.0000.00716.87
8.0.200.0060.00016.91
8.0.190.0000.00816.82
8.0.180.0040.00416.84
8.0.170.0030.00716.95
8.0.160.0050.00217.00
8.0.150.0000.00716.84
8.0.140.0040.00416.83
8.0.130.0060.00013.29
8.0.120.0070.00016.84
8.0.110.0040.00416.76
8.0.100.0040.00416.74
8.0.90.0040.00416.87
8.0.80.0090.01316.84
8.0.70.0040.00416.70
8.0.60.0050.00316.94
8.0.50.0020.00516.89
8.0.30.0060.01417.09
8.0.20.0140.01217.40
8.0.10.0030.00516.90
8.0.00.0120.00916.89
7.4.330.0050.00015.55
7.4.320.0000.00616.52
7.4.300.0060.00016.57
7.4.290.0030.00316.49
7.4.280.0040.00416.51
7.4.270.0070.00016.53
7.4.260.0000.00716.34
7.4.250.0040.00416.48
7.4.240.0040.00416.42
7.4.230.0030.00316.54
7.4.220.0160.00916.55
7.4.210.0120.00416.45
7.4.200.0070.00016.24
7.4.160.0120.00616.38
7.4.150.0090.00917.40
7.4.140.0070.01317.86
7.4.130.0100.00716.37
7.4.120.0150.00816.34
7.4.110.0060.01316.35
7.4.100.0150.00916.53
7.4.90.0100.00716.35
7.4.80.0130.00319.39
7.4.70.0100.01016.52
7.4.60.0080.00816.31
7.4.50.0070.00716.21
7.4.40.0060.01216.43
7.4.30.0100.00716.41
7.4.00.0070.01015.06
7.3.330.0040.00412.93
7.3.320.0060.00012.97
7.3.310.0060.00316.12
7.3.300.0000.00616.21
7.3.290.0070.00816.22
7.3.280.0100.00616.22
7.3.270.0070.01817.40
7.3.260.0090.00816.33
7.3.250.0080.01116.32
7.3.240.0020.01516.33
7.3.230.0030.01216.32
7.3.210.0090.00916.16
7.3.200.0150.00616.09
7.3.190.0130.00316.21
7.3.180.0080.00816.46
7.3.170.0120.00316.39
7.3.160.0060.00916.21
7.2.330.0070.01116.61
7.2.320.0000.01616.52
7.2.310.0150.00316.55
7.2.300.0060.01016.43
7.2.290.0150.00616.50
7.2.60.0080.00616.72
7.2.00.0070.00719.22
7.1.200.0030.00915.49
7.1.100.0040.00718.12
7.1.70.0100.01117.25
7.1.60.0760.02034.93
7.1.50.0250.02034.80
7.1.40.0280.01634.31
7.1.30.0100.03434.59
7.1.20.0200.02134.47
7.1.10.0130.00916.48
7.1.00.0080.00816.54
7.0.200.0580.01416.38
7.0.190.0070.01416.35
7.0.180.0090.01116.07
7.0.170.0150.00616.34
7.0.160.0090.00916.07
7.0.150.0090.01016.21
7.0.140.0120.00616.00
7.0.130.0110.00816.32
7.0.120.0140.00616.45
7.0.110.0030.01615.98
7.0.100.0060.01415.97
7.0.90.0090.00916.13
7.0.80.0030.01616.43
7.0.70.0150.00616.09
7.0.60.0090.01416.16
7.0.50.0040.01816.51
7.0.40.0030.01916.49
7.0.30.0030.01416.54
7.0.20.0100.01016.48
7.0.10.0070.01316.48
7.0.00.0030.01616.29

preferences:
36.92 ms | 400 KiB | 5 Q