3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = array( array(0 => "1", 1 => "1"), array(0 => "2", 1 => "2"), ); $arr2 = array( array(0 => "a", 1 => "b"), array(0 => "c", 1 => "d"), ); $result = []; foreach($arr1 as $key=>$value){ foreach($value as $k=>$val){ $result[$key][$k] = [$val,$arr2[$key][$k]]; } } print_r($result);

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)
8.3.80.0100.00016.63
8.3.70.0140.00716.58
8.3.60.0040.01116.88
8.3.50.0110.01118.03
8.3.40.0060.01218.70
8.3.30.0070.00718.48
8.3.20.0000.00724.18
8.3.10.0050.00324.66
8.3.00.0000.00826.16
8.2.200.0070.00316.88
8.2.190.0170.00316.88
8.2.180.0040.01425.92
8.2.170.0100.01018.99
8.2.160.0040.01122.96
8.2.150.0080.00025.66
8.2.140.0050.00224.66
8.2.130.0040.00426.16
8.2.120.0080.00026.35
8.2.110.0080.00422.26
8.2.100.0110.00017.91
8.2.90.0030.00617.75
8.2.80.0000.00818.78
8.2.70.0040.00417.63
8.2.60.0000.00817.63
8.2.50.0040.00418.10
8.2.40.0080.00018.05
8.2.30.0040.00418.10
8.2.20.0040.00418.18
8.2.10.0000.00819.36
8.2.00.0040.00419.31
8.1.290.0090.00018.88
8.1.280.0090.00925.92
8.1.270.0050.00523.85
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0060.00322.88
8.1.230.0060.00619.03
8.1.220.0040.00417.88
8.1.210.0040.00418.77
8.1.200.0050.00317.48
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0000.00817.62
8.1.160.0040.00418.86
8.1.150.0040.00418.89
8.1.140.0040.00418.90
8.1.130.0030.00317.38
8.1.120.0000.00717.41
8.1.110.0000.00817.34
8.1.100.0000.00817.37
8.1.90.0050.00317.50
8.1.80.0000.01017.39
8.1.70.0030.00317.45
8.1.60.0000.00817.60
8.1.50.0080.00017.51
8.1.40.0040.00417.50
8.1.30.0020.00517.59
8.1.20.0040.00417.67
8.1.10.0080.00017.61
8.1.00.0080.00017.56
8.0.300.0040.00419.70
8.0.290.0000.00716.75
8.0.280.0000.00720.16
8.0.270.0020.00517.93
8.0.260.0040.00416.83
8.0.250.0040.00417.00
8.0.240.0000.00716.83
8.0.230.0000.00716.85
8.0.220.0030.00316.95
8.0.210.0000.00716.91
8.0.200.0030.00316.88
8.0.190.0040.00416.87
8.0.180.0050.00216.88
8.0.170.0040.00416.95
8.0.160.0030.00316.84
8.0.150.0040.00416.73
8.0.140.0040.00716.86
8.0.130.0030.00313.29
8.0.120.0040.00416.88
8.0.110.0030.00516.79
8.0.100.0050.00316.86
8.0.90.0040.00416.78
8.0.80.0080.00716.85
8.0.70.0040.00416.75
8.0.60.0070.00016.76
8.0.50.0040.00416.93
8.0.30.0140.00317.20
8.0.20.0190.00417.36
8.0.10.0120.00617.00
8.0.00.0120.00816.97
7.4.330.0000.00515.55
7.4.320.0030.00316.58
7.4.300.0030.00316.58
7.4.290.0030.00516.42
7.4.280.0080.00316.58
7.4.270.0030.00316.56
7.4.260.0030.00313.29
7.4.250.0000.00916.57
7.4.240.0020.00516.58
7.4.230.0000.00716.55
7.4.220.0020.00516.36
7.4.210.0060.00816.50
7.4.200.0030.00516.59
7.4.150.0070.01316.51
7.4.140.0070.01016.42
7.4.130.0090.00916.32
7.4.120.0090.00916.38
7.4.110.0040.01516.34
7.4.100.0120.00616.43
7.4.90.0130.00616.34
7.4.80.0090.00916.32
7.4.70.0170.00616.38
7.4.60.0060.01216.57
7.4.50.0130.00716.31
7.4.40.0120.00916.34
7.4.30.0070.01316.50
7.4.20.0120.00916.39
7.4.10.0180.00616.14
7.4.00.0080.01516.55
7.3.330.0000.00816.32
7.3.320.0000.00513.27
7.3.310.0000.00716.22
7.3.300.0000.00616.32
7.3.290.0020.01216.36
7.3.270.0120.00616.36
7.3.260.0120.01216.32
7.3.250.0060.01316.30
7.3.240.0060.01316.19
7.3.230.0090.00916.41
7.3.220.0140.00316.66
7.3.210.0060.01216.32
7.3.200.0110.00716.39
7.3.190.0040.01316.27
7.3.180.0180.00016.21
7.3.170.0130.01016.47
7.3.160.0180.00016.36
7.3.150.0160.00616.29
7.3.140.0160.00316.41
7.3.130.0060.01216.23
7.3.120.0120.00616.14
7.3.110.0170.00716.19
7.3.100.0150.00416.31
7.3.90.0110.00716.27
7.3.80.0140.00616.15
7.3.70.0090.00916.21
7.3.60.0090.00916.27
7.3.50.0110.00716.45
7.3.40.0130.00516.22
7.3.30.0090.00916.25
7.3.20.0040.01416.12
7.3.10.0130.00616.32
7.3.00.0050.01316.38

preferences:
61.3 ms | 401 KiB | 5 Q