3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ar1 = ['sdasd'=>[2,3,5,7], 'grtgtr'=>[1,2,7,8]]; $ar2 = ['sdasd'=>[2,3], 'grtgtr'=>[1,2]]; foreach($ar1 as $key=>&$subar){ $subar = array_merge($subar,$ar2[$key]); } print_r($ar1);

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)
8.3.60.0180.00318.55
8.3.50.0070.00718.19
8.3.40.0070.01320.43
8.3.30.0110.00418.59
8.3.20.0030.00520.91
8.3.10.0080.00020.25
8.3.00.0000.00720.61
8.2.180.0090.00616.38
8.2.170.0090.00622.96
8.2.160.0100.00721.06
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0060.00326.16
8.2.120.0030.00619.67
8.2.110.0090.00920.47
8.2.100.0120.00317.78
8.2.90.0100.00019.70
8.2.80.0030.00519.36
8.2.70.0080.00017.63
8.2.60.0050.00317.91
8.2.50.0000.00818.07
8.2.40.0030.00619.90
8.2.30.0000.00818.18
8.2.20.0060.00318.09
8.2.10.0040.00419.30
8.2.00.0040.00419.35
8.1.280.0150.00725.92
8.1.270.0000.00820.89
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0090.00323.98
8.1.230.0090.00320.90
8.1.220.0060.00317.74
8.1.210.0090.00018.89
8.1.200.0100.00017.35
8.1.190.0050.00317.23
8.1.180.0030.00618.10
8.1.170.0040.00418.78
8.1.160.0040.00418.89
8.1.150.0040.00418.88
8.1.140.0070.00018.84
8.1.130.0030.00317.51
8.1.120.0050.00317.29
8.1.110.0000.00817.45
8.1.100.0040.00417.51
8.1.90.0000.00817.41
8.1.80.0040.00417.34
8.1.70.0030.00317.46
8.1.60.0040.00417.56
8.1.50.0000.00817.51
8.1.40.0050.00317.54
8.1.30.0080.00017.62
8.1.20.0040.00417.61
8.1.10.0000.00917.37
8.1.00.0040.00417.43
8.0.300.0060.00319.86
8.0.290.0050.00516.75
8.0.280.0030.00318.44
8.0.270.0030.00318.01
8.0.260.0070.00016.80
8.0.250.0030.00316.95
8.0.240.0030.00316.89
8.0.230.0050.00316.82
8.0.220.0070.00016.78
8.0.210.0000.00716.90
8.0.200.0000.00616.79
8.0.190.0070.00016.96
8.0.180.0040.00416.81
8.0.170.0070.00316.91
8.0.160.0000.00716.86
8.0.150.0000.00716.83
8.0.140.0030.00516.86
8.0.130.0000.00513.27
8.0.120.0040.00416.85
8.0.110.0050.00216.86
8.0.100.0000.00716.68
8.0.90.0000.00916.93
8.0.80.0090.01216.87
8.0.70.0070.00016.83
8.0.60.0000.00716.95
8.0.50.0080.00016.71
8.0.30.0030.01417.14
8.0.20.0100.00917.01
8.0.10.0050.00317.12
8.0.00.0070.01416.62
7.4.330.0000.00515.55
7.4.320.0030.00316.51
7.4.300.0010.00516.48
7.4.290.0050.00216.49
7.4.280.0040.00416.49
7.4.270.0000.00716.50
7.4.260.0030.00313.21
7.4.250.0030.00316.51
7.4.240.0020.00516.47
7.4.230.0030.00316.66
7.4.220.0020.00516.53
7.4.210.0110.00416.52
7.4.200.0050.00216.24
7.4.130.0100.01116.44
7.4.120.0150.00816.59
7.4.110.0070.01116.43
7.4.100.0070.01716.56
7.4.90.0090.00916.48
7.4.80.0070.01619.39
7.4.70.0140.00716.65
7.4.60.0140.00316.22
7.4.50.0060.01016.50
7.4.40.0060.01016.52
7.4.30.0030.01716.11
7.4.20.0150.00616.46
7.4.10.0100.00716.47
7.4.00.0140.00316.61
7.3.330.0060.00016.32
7.3.320.0050.00213.20
7.3.310.0030.00316.19
7.3.300.0060.00016.24
7.3.290.0050.01016.24
7.3.280.0110.00416.25
7.3.260.0100.00716.48
7.3.240.0070.01016.39
7.3.230.0170.00716.35
7.3.210.0100.00716.39
7.3.200.0120.00316.38
7.3.190.0060.01216.58
7.3.180.0130.00316.70
7.3.170.0100.00716.36
7.3.160.0060.01016.25
7.3.150.0070.01316.31
7.3.140.0060.01016.18
7.3.130.0070.01016.18
7.3.120.0130.00316.16
7.3.110.0100.00916.25
7.3.100.0090.00816.18
7.3.90.0080.01416.25
7.3.80.0100.00716.38
7.3.70.0150.00716.20
7.3.60.0130.00316.09
7.3.50.0080.00916.23
7.3.40.0110.00716.53
7.3.30.0060.01016.17
7.3.20.0170.00016.34
7.3.10.0100.00716.36
7.3.00.0040.01216.27
7.2.330.0060.01216.58
7.2.320.0110.00516.71
7.2.310.0030.01516.43
7.2.300.0130.01016.43
7.2.290.0160.00016.58
7.2.280.0120.00916.15
7.2.270.0040.01216.59
7.2.260.0060.01216.50
7.2.250.0070.01716.64
7.2.240.0130.00816.68
7.2.230.0110.00816.75
7.2.220.0120.00616.58
7.2.210.0150.00916.60
7.2.200.0140.00816.50
7.2.190.0130.00916.57
7.2.180.0100.01016.36
7.2.170.0060.01316.46
7.2.160.0120.00916.70
7.2.150.0100.00716.71
7.2.140.0100.00716.52
7.2.130.0060.01016.63
7.2.120.0150.00416.11
7.2.110.0090.00916.61
7.2.100.0140.00316.61
7.2.90.0030.01316.57
7.2.80.0180.00416.48
7.2.70.0100.01316.59
7.2.60.0100.01016.46
7.2.50.0080.00816.57
7.2.40.0170.00416.57
7.2.30.0100.00716.59
7.2.20.0140.00316.66
7.2.10.0140.01016.66
7.2.00.0390.01016.67

preferences:
38.82 ms | 400 KiB | 5 Q