3v4l.org

run code in 300+ PHP versions simultaneously
<?php $old = '{"4":{"deu":1, "eng":1, "fra":1}}'; $new = '{"4":{"deu":1, "eng":2}}'; $oldArray = json_decode($old,true); $newArray = json_decode($new,true); $finalArray =[]; foreach($oldArray as $key=>$value){ $finalArray[$key] = array_merge($value,$newArray[$key]); } print_r($finalArray); echo json_encode($finalArray);

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)
8.3.110.0030.00720.94
8.3.100.0030.00624.06
8.3.90.0060.00326.77
8.3.80.0000.01016.38
8.3.70.0100.00716.63
8.3.60.0070.01418.43
8.3.50.0070.00718.02
8.3.40.0140.00718.70
8.3.30.0150.00018.63
8.3.20.0050.00524.18
8.3.10.0000.00724.66
8.3.00.0040.00426.16
8.2.230.0100.00022.58
8.2.220.0080.00037.54
8.2.210.0040.00426.77
8.2.200.0030.00616.38
8.2.190.0070.01316.58
8.2.180.0070.01025.92
8.2.170.0100.01018.95
8.2.160.0130.00022.96
8.2.150.0070.00025.66
8.2.140.0000.01024.66
8.2.130.0050.00326.16
8.2.120.0040.00420.99
8.2.110.0040.00419.27
8.2.100.0080.00417.84
8.2.90.0050.00317.88
8.2.80.0000.00818.85
8.2.70.0030.00717.93
8.2.60.0040.00418.22
8.2.50.0050.00318.10
8.2.40.0040.00421.16
8.2.30.0000.00719.18
8.2.20.0050.00218.03
8.2.10.0070.00021.15
8.2.00.0000.00719.23
8.1.290.0060.00330.84
8.1.280.0100.01025.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0050.00228.09
8.1.240.0100.00720.87
8.1.230.0060.00617.83
8.1.220.0060.00317.78
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0000.00817.25
8.1.180.0040.00418.10
8.1.170.0050.00318.60
8.1.160.0070.00020.67
8.1.150.0000.00718.94
8.1.140.0000.00718.94
8.1.130.0030.00317.37
8.1.120.0040.00417.46
8.1.110.0000.00817.36
8.1.100.0040.00417.52
8.1.90.0000.00717.37
8.1.80.0040.00417.47
8.1.70.0030.00617.34
8.1.60.0080.00417.65
8.1.50.0080.00017.54
8.1.40.0000.00817.46
8.1.30.0060.00317.62
8.1.20.0040.00417.55
8.1.10.0000.00817.59
8.1.00.0000.00717.51
8.0.300.0040.00418.77
8.0.290.0060.00316.75
8.0.280.0040.00318.45
8.0.270.0000.00716.91
8.0.260.0080.00016.82
8.0.250.0000.00816.91
8.0.240.0000.00816.83
8.0.230.0070.00016.83
8.0.220.0000.00816.84
8.0.210.0070.00016.90
8.0.200.0030.00316.82
8.0.190.0000.00916.95
8.0.180.0070.00016.81
8.0.170.0000.00916.90
8.0.160.0040.00416.98
8.0.150.0000.00716.76
8.0.140.0000.00716.86
8.0.130.0000.00513.27
8.0.120.0050.00516.80
8.0.110.0010.00616.86
8.0.100.0020.00616.83
8.0.90.0040.00416.88
8.0.80.0060.00716.86
8.0.70.0010.00616.93
8.0.60.0030.00516.85
8.0.50.0000.00816.76
8.0.30.0090.00616.83
8.0.20.0090.00316.89
8.0.10.0060.01017.02
8.0.00.0090.00717.00
7.4.330.0050.00015.55
7.4.320.0080.00016.60
7.4.300.0030.00316.42
7.4.290.0040.00416.42
7.4.280.0060.00616.46
7.4.270.0040.00416.61
7.4.260.0050.00013.29
7.4.250.0070.00016.50
7.4.240.0050.00216.56
7.4.230.0050.00216.40
7.4.220.0050.00216.46
7.4.210.0090.00416.51
7.4.200.0040.00416.69
7.4.190.0040.00416.55
7.4.180.0070.00016.68
7.4.160.0090.00316.59
7.4.150.0070.00416.56
7.4.140.0080.00716.37
7.4.130.0040.00916.54
7.4.120.0110.00316.52
7.4.110.0080.00416.47
7.4.100.0040.01016.48
7.4.90.0050.00716.45
7.4.80.0050.00616.41
7.4.70.0080.00316.53
7.4.60.0070.00716.43
7.4.50.0050.01016.38
7.4.40.0040.00916.30
7.4.30.0060.00516.49
7.4.20.0050.00616.45
7.4.10.0020.01016.47
7.4.00.0080.00616.51
7.3.330.0000.00716.32
7.3.320.0000.00513.27
7.3.310.0030.00316.27
7.3.300.0020.00516.24
7.3.290.0060.00816.31
7.3.280.0070.00016.15
7.3.270.0080.00316.29
7.3.260.0050.00516.30
7.3.250.0060.00716.34
7.3.240.0050.00916.25
7.3.230.0120.00116.29
7.3.220.0100.00316.24
7.3.210.0060.00816.27
7.3.200.0020.00916.24
7.3.190.0090.00316.17
7.3.180.0080.00516.30
7.3.170.0050.01016.30
7.3.160.0050.00816.28
7.3.150.0050.00616.29
7.3.140.0100.00216.22
7.3.130.0050.00616.28
7.3.120.0050.00816.26
7.3.110.0100.00216.19
7.3.100.0060.00516.16
7.3.90.0060.00516.57
7.3.80.0060.00616.18
7.3.70.0080.00616.43
7.3.60.0080.00316.50
7.3.50.0080.00316.40
7.3.40.0020.01016.46
7.3.30.0050.01016.48
7.3.20.0070.00917.37
7.3.10.0080.00617.18
7.3.00.0020.01117.21

preferences:
35.32 ms | 403 KiB | 5 Q