3v4l.org

run code in 300+ PHP versions simultaneously
<?php function func(&$data) { foreach ($data as $key => $value) { if (is_array($value)) { func($data[$key]); } } } $data = [ ['foo' => [0,1]], ['foo' => [2,3]], ]; func($data); echo ' pre: ' . json_encode($data) . "\n"; array_replace_recursive($data[0], $data[1]); echo 'post: ' . json_encode($data) . "\n";

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)
8.3.60.0090.00616.63
8.3.50.0080.01021.10
8.3.40.0140.00018.83
8.3.30.0120.00318.60
8.3.20.0070.00020.16
8.3.10.0040.00421.87
8.3.00.0070.00023.53
8.2.180.0070.00716.38
8.2.170.0110.00422.96
8.2.160.0120.00320.38
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00019.82
8.2.120.0000.00826.35
8.2.110.0090.00020.99
8.2.100.0060.00618.04
8.2.90.0040.00419.22
8.2.80.0090.00018.04
8.2.70.0030.00617.63
8.2.60.0060.00617.55
8.2.50.0090.00018.07
8.2.40.0030.00622.28
8.2.30.0030.00319.38
8.2.20.0040.00417.78
8.2.10.0070.00318.13
8.2.00.0030.00618.00
8.1.280.0040.01125.92
8.1.270.0150.00423.79
8.1.260.0070.00328.09
8.1.250.0040.00428.09
8.1.240.0060.00322.47
8.1.230.0000.01119.08
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0040.00717.35
8.1.190.0040.00417.23
8.1.180.0140.00018.10
8.1.170.0060.00318.66
8.1.160.0000.00820.77
8.1.150.0040.00418.86
8.1.140.0030.00619.55
8.1.130.0030.00317.69
8.1.120.0030.00417.48
8.1.110.0070.00017.38
8.1.100.0000.00717.32
8.1.90.0000.00817.42
8.1.80.0040.00417.53
8.1.70.0060.00317.52
8.1.60.0000.00717.59
8.1.50.0000.00817.52
8.1.40.0040.00417.55
8.1.30.0000.01017.59
8.1.20.0040.00417.70
8.1.10.0040.00417.47
8.1.00.0080.00017.52
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.43
8.0.270.0000.00717.28
8.0.260.0000.00617.29
8.0.250.0030.00316.96
8.0.240.0030.00316.93
8.0.230.0030.00316.84
8.0.220.0030.00616.87
8.0.210.0030.00316.78
8.0.200.0000.01016.97
8.0.190.0040.00416.89
8.0.180.0080.00416.86
8.0.170.0040.00416.93
8.0.160.0000.00716.97
8.0.150.0000.00716.90
8.0.140.0030.00316.74
8.0.130.0000.00513.25
8.0.120.0000.00816.78
8.0.110.0000.00716.95
8.0.100.0070.00016.96
8.0.90.0080.00016.86
8.0.80.0070.01016.88
8.0.70.0000.00716.87
8.0.60.0040.00416.91
8.0.50.0080.00016.94
8.0.30.0100.00917.05
8.0.20.0100.01017.40
8.0.10.0030.00316.89
8.0.00.0110.00716.75
7.4.330.0060.00016.80
7.4.320.0030.00316.61
7.4.300.0020.00516.46
7.4.290.0050.00316.61
7.4.280.0030.00616.61
7.4.270.0000.00716.63
7.4.260.0070.00016.51
7.4.250.0050.00316.54
7.4.240.0020.00516.51
7.4.230.0070.00016.66
7.4.220.0090.00916.70
7.4.210.0060.01016.62
7.4.200.0030.00516.31
7.4.160.0070.01316.36
7.4.150.0110.00717.40
7.4.140.0100.00817.86
7.4.130.0180.00216.53
7.4.120.0140.00816.58
7.4.110.0140.00316.59
7.4.100.0100.00716.52
7.4.90.0100.00716.46
7.4.80.0110.00819.39
7.4.70.0100.00716.52
7.4.60.0150.00616.66
7.4.50.0100.00716.46
7.4.40.0140.00716.38
7.4.30.0070.01016.61
7.4.00.0000.01515.16
7.3.330.0030.00313.23
7.3.320.0040.00413.23
7.3.310.0040.00416.23
7.3.300.0000.00716.41
7.3.290.0070.01116.33
7.3.280.0060.01116.35
7.3.270.0040.01417.40
7.3.260.0120.01216.37
7.3.250.0080.00816.45
7.3.240.0060.01016.41
7.3.230.0030.01316.50
7.3.210.0130.00316.38
7.3.200.0090.00919.39
7.3.190.0100.01116.33
7.3.180.0130.00416.35
7.3.170.0110.00616.54
7.3.160.0030.01316.63
7.3.10.0060.00816.77
7.3.00.0080.00616.69
7.2.330.0140.00316.88
7.2.320.0090.00916.83
7.2.310.0070.01016.79
7.2.300.0170.00716.41
7.2.290.0030.01316.77
7.2.130.0090.00616.96
7.2.120.0070.00716.65
7.2.110.0040.00817.16
7.2.100.0000.01316.82
7.2.90.0100.00316.88
7.2.80.0100.00317.12
7.2.70.0120.00016.94
7.2.60.0030.01116.89
7.2.50.0000.01417.01
7.2.40.0130.00017.01
7.2.30.0090.00617.05
7.2.20.0000.01016.71
7.2.10.0030.01016.72
7.2.00.0040.00918.14
7.1.250.0060.00615.79
7.1.200.0030.01015.84
7.1.100.0040.01118.02
7.1.70.0030.01317.25
7.1.60.0110.00319.18
7.1.50.0000.01316.99
7.1.00.0000.08022.48
7.0.200.0030.00716.53
7.0.90.0030.06019.89
7.0.80.0500.04019.87
7.0.70.0170.06019.89
7.0.60.0630.07319.88
7.0.50.0630.08020.30
7.0.40.0070.05320.16
7.0.30.0030.04720.09
7.0.20.0070.06020.11
7.0.10.0200.04019.99
7.0.00.0100.08719.98
5.6.280.0030.06021.07
5.6.240.0070.07320.52
5.6.230.0030.06320.63
5.6.220.0130.07320.56
5.6.210.0100.05020.69
5.6.200.0130.04321.09
5.6.190.0170.07021.17
5.6.180.0130.04021.09
5.6.170.0100.08321.07
5.6.160.0100.06321.02
5.6.150.0070.08320.93
5.6.140.0170.07721.03
5.6.130.0030.05720.89
5.6.120.0100.08020.97
5.6.110.0070.08021.08
5.6.100.0100.08021.16
5.6.90.0200.06321.09
5.6.80.0070.05320.50
5.6.70.0070.06320.44
5.6.60.0100.04720.40
5.6.50.0370.04020.45
5.6.40.0170.04720.50
5.6.30.0070.06720.44
5.6.20.0170.07020.31
5.6.10.0070.07720.46
5.6.00.0000.05720.46
5.5.380.0000.08020.31
5.5.370.0030.08720.32
5.5.360.0170.07320.33
5.5.350.0130.06020.34
5.5.340.0070.04320.94
5.5.330.0030.06020.83
5.5.320.0030.08720.89
5.5.310.0100.06720.80
5.5.300.0030.08720.76
5.5.290.0100.08720.82
5.5.280.0170.07020.64
5.5.270.0070.07720.79
5.5.260.0200.06720.90
5.5.250.0070.08320.70
5.5.240.0070.07720.16
5.5.230.0130.05320.24
5.5.220.0070.06020.28
5.5.210.0100.07720.14
5.5.200.0030.08320.08
5.5.190.0130.08020.17
5.5.180.0030.07020.14
5.5.160.0000.05320.08
5.5.150.0130.07020.22
5.5.140.0070.04720.23
5.5.130.0070.07720.11
5.5.120.0030.07720.23
5.5.110.0200.07320.15
5.5.100.0030.07719.96
5.5.90.0100.07020.05
5.5.80.0100.05320.04
5.5.70.0000.09020.09
5.5.60.0100.07720.10
5.5.50.0070.07020.04
5.5.40.0070.07720.06
5.5.30.0130.07720.08
5.5.20.0030.06720.14
5.5.10.0070.07720.11
5.5.00.0130.07319.98

preferences:
46.85 ms | 401 KiB | 5 Q