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]); } } } $data = [ ['foo' => [0,1]], ['bar' => [2,3]], ]; func($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)
8.3.60.0070.00716.50
8.3.50.0100.00821.18
8.3.40.0040.01118.63
8.3.30.0140.00018.73
8.3.20.0080.00020.13
8.3.10.0070.00721.85
8.3.00.0050.00323.66
8.2.180.0000.01416.75
8.2.170.0090.00622.96
8.2.160.0170.00020.39
8.2.150.0030.00524.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00421.00
8.2.110.0030.00621.04
8.2.100.0100.00018.04
8.2.90.0050.00319.27
8.2.80.0080.00017.97
8.2.70.0030.00717.63
8.2.60.0030.00617.93
8.2.50.0030.00618.07
8.2.40.0070.00220.32
8.2.30.0000.00819.56
8.2.20.0040.00417.66
8.2.10.0070.00318.03
8.2.00.0040.00418.16
8.1.280.0040.01125.92
8.1.270.0000.00824.66
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0100.00022.51
8.1.230.0090.00318.96
8.1.220.0000.00817.91
8.1.210.0090.00018.77
8.1.200.0060.00617.25
8.1.190.0060.00317.22
8.1.180.0120.00418.10
8.1.170.0000.00918.66
8.1.160.0020.00520.67
8.1.150.0040.00418.86
8.1.140.0080.00019.61
8.1.130.0050.00217.62
8.1.120.0050.00317.47
8.1.110.0040.00417.45
8.1.100.0040.00417.47
8.1.90.0000.00817.37
8.1.80.0020.00517.43
8.1.70.0000.00817.50
8.1.60.0040.00417.55
8.1.50.0030.00517.43
8.1.40.0000.00817.43
8.1.30.0000.00917.68
8.1.20.0000.00717.69
8.1.10.0000.00817.57
8.1.00.0070.00017.53
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.36
8.0.270.0030.00617.13
8.0.260.0030.00317.32
8.0.250.0030.00316.97
8.0.240.0050.00316.94
8.0.230.0000.00716.83
8.0.220.0040.00416.86
8.0.210.0000.00716.87
8.0.200.0080.00016.88
8.0.190.0000.00816.94
8.0.180.0070.00416.82
8.0.170.0040.00416.93
8.0.160.0050.00317.00
8.0.150.0000.00716.86
8.0.140.0040.00416.84
8.0.130.0000.00513.24
8.0.120.0050.00316.91
8.0.110.0030.00516.80
8.0.100.0030.00516.89
8.0.90.0040.00416.78
8.0.80.0100.00616.88
8.0.70.0030.00516.77
8.0.60.0000.00716.68
8.0.50.0000.00816.87
8.0.30.0040.01317.24
8.0.20.0110.01017.40
8.0.10.0070.00016.97
8.0.00.0090.01316.71
7.4.330.0050.00016.69
7.4.320.0060.00016.38
7.4.300.0000.00816.64
7.4.290.0030.00316.49
7.4.280.0060.00316.50
7.4.270.0000.00616.50
7.4.260.0040.00416.58
7.4.250.0080.00016.37
7.4.240.0050.00216.51
7.4.230.0000.00716.71
7.4.220.0150.00416.38
7.4.210.0080.00816.49
7.4.200.0000.00716.54
7.4.160.0100.01016.52
7.4.150.0120.00617.40
7.4.140.0080.01217.86
7.4.130.0060.01116.59
7.4.120.0080.01116.66
7.4.110.0130.00316.40
7.4.100.0130.01016.49
7.4.90.0070.01116.34
7.4.80.0140.00419.39
7.4.70.0080.00816.54
7.4.60.0120.00616.46
7.4.50.0090.00316.70
7.4.40.0120.01216.30
7.4.30.0090.00916.44
7.4.00.0000.01814.84
7.3.330.0000.00513.32
7.3.320.0070.00013.20
7.3.310.0070.00016.41
7.3.300.0030.00316.30
7.3.290.0080.00916.36
7.3.280.0130.00416.38
7.3.270.0070.01017.40
7.3.260.0130.00316.42
7.3.250.0080.00916.37
7.3.240.0090.00916.43
7.3.230.0110.00616.41
7.3.210.0040.01216.20
7.3.200.0030.01319.39
7.3.190.0100.00716.67
7.3.180.0060.01016.53
7.3.170.0070.01016.43
7.3.160.0130.00316.40
7.2.330.0090.00916.74
7.2.320.0090.00916.71
7.2.310.0070.01016.64
7.2.300.0090.00916.90
7.2.290.0120.00916.92
7.2.60.0040.00816.61
7.2.00.0030.01019.54
7.1.200.0100.00315.65
7.1.100.0030.01018.13
7.1.70.0030.01017.34
7.1.60.0100.01019.18
7.1.50.0230.00334.53
7.1.00.0030.07722.34
7.0.200.0000.00916.80
7.0.90.1030.06019.92
7.0.80.0600.05319.86
7.0.70.0630.07319.96
7.0.60.0870.06319.97
7.0.50.0630.06020.35
7.0.40.0070.04320.07
7.0.30.0100.05720.13
7.0.20.0200.04320.13
7.0.10.0200.07020.05
7.0.00.0030.08020.11
5.6.280.0100.05320.93
5.6.240.0000.05720.50
5.6.230.0030.08720.50
5.6.220.0070.07720.73
5.6.210.0070.07020.77
5.6.200.0070.04720.96
5.6.190.0030.05321.01
5.6.180.0100.05321.10
5.6.170.0170.07321.06
5.6.160.0070.05021.02
5.6.150.0030.04721.05
5.6.140.0100.08321.03
5.6.130.0170.08021.07
5.6.120.0030.05721.04
5.6.110.0070.08721.03
5.6.100.0170.06321.11
5.6.90.0030.06721.05
5.6.80.0100.07720.34
5.6.70.0130.07020.41
5.6.60.0070.08720.43
5.6.50.0000.08720.42
5.6.40.0100.07720.46
5.6.30.0130.04020.54
5.6.20.0100.07720.42
5.6.10.0100.04320.43
5.6.00.0000.08720.36
5.5.380.0000.04720.32
5.5.370.0100.07720.36
5.5.360.0070.06320.36
5.5.350.0070.07720.43
5.5.340.0070.08020.80
5.5.330.0170.06020.79
5.5.320.0030.04320.74
5.5.310.0030.07720.80
5.5.300.0070.05320.79
5.5.290.0070.05020.88
5.5.280.0070.05020.83
5.5.270.0000.08020.75
5.5.260.0130.07720.79
5.5.250.0100.07720.55
5.5.240.0130.04720.29
5.5.230.0130.08720.21
5.5.220.0000.05320.23
5.5.210.0170.06720.27
5.5.200.0000.05320.18
5.5.190.0070.05020.18
5.5.180.0200.06720.15
5.5.160.0030.08320.13
5.5.150.0200.06320.25
5.5.140.0100.06720.15
5.5.130.0170.07020.28
5.5.120.0100.08020.17
5.5.110.0030.05320.26
5.5.100.0100.07720.07
5.5.90.0030.08020.06
5.5.80.0030.06320.15
5.5.70.0100.03320.00
5.5.60.0000.08320.11
5.5.50.0030.04320.14
5.5.40.0100.07320.15
5.5.30.0100.04720.05
5.5.20.0100.07720.15
5.5.10.0130.03020.03
5.5.00.0030.04020.11

preferences:
37.81 ms | 401 KiB | 5 Q