3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = [ 'a' => 'a', 'b' => 'b', ]; array_walk($var, function ($value) { }); var_dump(key($var)); foreach ($var as $value) { } var_dump(key($var));

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)
8.3.60.0090.00916.63
8.3.50.0080.01021.93
8.3.40.0070.00718.73
8.3.30.0110.00418.40
8.3.20.0000.00820.38
8.3.10.0040.00421.98
8.3.00.0050.00321.86
8.2.180.0140.00018.29
8.2.170.0070.01122.96
8.2.160.0070.00720.39
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0070.00020.94
8.2.120.0100.00026.35
8.2.110.0040.00421.06
8.2.100.0060.00917.91
8.2.90.0000.00817.84
8.2.80.0030.00719.82
8.2.70.0040.00417.93
8.2.60.0000.00917.93
8.2.50.0040.00418.10
8.2.40.0080.00020.45
8.2.30.0030.00519.50
8.2.20.0070.00017.57
8.2.10.0060.00318.07
8.2.00.0070.00018.11
8.1.280.0090.00625.92
8.1.270.0040.01122.10
8.1.260.0070.00028.09
8.1.250.0030.00528.09
8.1.240.0060.00320.75
8.1.230.0040.00822.13
8.1.220.0050.00317.76
8.1.210.0050.00318.79
8.1.200.0030.00517.25
8.1.190.0060.00317.35
8.1.180.0060.00318.10
8.1.170.0040.00418.34
8.1.160.0040.00422.19
8.1.150.0070.00019.01
8.1.140.0000.00819.55
8.1.130.0040.00417.59
8.1.120.0000.00717.36
8.1.110.0030.00317.38
8.1.100.0060.00317.50
8.1.90.0040.00417.49
8.1.80.0000.00817.36
8.1.70.0070.00017.36
8.1.60.0000.00717.52
8.1.50.0040.00417.48
8.1.40.0050.00317.55
8.1.30.0000.00817.70
8.1.20.0070.00017.53
8.1.10.0050.00217.51
8.1.00.0070.00017.44
8.0.300.0040.00420.04
8.0.290.0040.00416.75
8.0.280.0040.00418.49
8.0.270.0030.00317.17
8.0.260.0000.00617.28
8.0.250.0000.00716.82
8.0.240.0060.00016.85
8.0.230.0040.00416.84
8.0.220.0030.00316.90
8.0.210.0050.00316.93
8.0.200.0000.00816.97
8.0.190.0000.00816.97
8.0.180.0030.00516.74
8.0.170.0030.00516.91
8.0.160.0000.00816.98
8.0.150.0040.00416.76
8.0.140.0060.00616.85
8.0.130.0030.00313.33
8.0.120.0100.00016.86
8.0.110.0040.00416.90
8.0.100.0070.00016.91
8.0.90.0000.00716.80
8.0.80.0030.01316.86
8.0.70.0000.00816.95
8.0.60.0050.00216.95
8.0.50.0040.00416.92
8.0.30.0100.01217.12
8.0.20.0120.00817.40
8.0.10.0070.00016.92
8.0.00.0100.00716.78
7.4.330.0020.00216.80
7.4.320.0050.00316.59
7.4.300.0040.00316.60
7.4.290.0060.00616.53
7.4.280.0080.00016.59
7.4.270.0000.00716.53
7.4.260.0030.00516.61
7.4.250.0030.00616.61
7.4.240.0000.00716.57
7.4.230.0000.00716.35
7.4.220.0120.00616.45
7.4.210.0110.00616.49
7.4.200.0020.00516.63
7.4.160.0100.00616.43
7.4.150.0110.00617.40
7.4.140.0140.00417.86
7.4.130.0110.00916.37
7.4.120.0090.00916.43
7.4.110.0090.00916.40
7.4.100.0140.00316.44
7.4.90.0070.01616.55
7.4.80.0170.00619.39
7.4.70.0060.01116.49
7.4.60.0090.00616.70
7.4.50.0030.01316.42
7.4.40.0030.01316.52
7.4.30.0090.00916.55
7.4.00.0060.00915.01
7.3.330.0070.00013.27
7.3.320.0030.00313.33
7.3.310.0030.00316.15
7.3.300.0070.00016.35
7.3.290.0020.00516.25
7.3.280.0050.01216.25
7.3.270.0130.00517.40
7.3.260.0120.00616.47
7.3.250.0110.00916.38
7.3.240.0120.00816.21
7.3.230.0120.01416.39
7.3.210.0090.00916.30
7.3.200.0060.00919.39
7.3.190.0110.00616.42
7.3.180.0090.01216.63
7.3.170.0070.01016.38
7.3.160.0060.00916.33
7.2.330.0140.00316.38
7.2.320.0100.00616.46
7.2.310.0060.01116.72
7.2.300.0060.01016.75
7.2.290.0030.01416.71
7.2.60.0180.00317.08
7.2.00.0030.01319.16
7.1.200.0060.00915.76
7.1.100.0030.00918.11
7.1.70.0000.00817.28
7.1.60.0080.01519.40
7.1.50.0100.00716.64
7.1.00.0030.07322.36
7.0.200.0330.00314.89
7.0.60.0230.07321.63
7.0.50.0070.06717.84
7.0.40.0130.08320.11
7.0.30.0330.07020.16
7.0.20.0130.05720.11
7.0.10.0070.04020.23
7.0.00.0030.07020.08
5.6.280.0030.05021.13
5.6.210.0000.06020.50
5.6.200.0030.04718.23
5.6.190.0100.07020.67
5.6.180.0300.07320.63
5.6.170.0270.08320.47
5.6.160.0170.04320.43
5.6.150.0030.08318.25
5.6.140.0030.04018.23
5.6.130.0000.04318.23
5.6.120.0030.09321.02
5.6.110.0130.07720.99
5.6.100.0000.06020.89
5.6.90.0130.06021.10
5.6.80.0100.07320.33
5.5.350.0070.07020.41
5.5.340.0100.07018.02
5.5.330.0100.06020.27
5.5.320.0600.06720.30
5.5.310.0430.06720.37
5.5.300.0130.07317.95
5.5.290.0100.03718.08
5.5.280.0030.05720.78
5.5.270.0100.08020.89
5.5.260.0130.07720.76
5.5.250.0000.08020.68
5.5.240.0230.03720.16

preferences:
61.3 ms | 401 KiB | 5 Q