3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = ["foo" => [1,2,3], "bar" => [5,2,3,4,3], "baz" => [5,2,1,6]]; echo json_encode(array_map(function ($k, $v) { return [$k, ...$v]; }, array_keys($a), $a));

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)
8.3.60.0110.00416.38
8.3.50.0030.01018.30
8.3.40.0060.01018.67
8.3.30.0040.01118.73
8.3.20.0070.00021.87
8.3.10.0070.00021.90
8.3.00.0080.00019.76
8.2.180.0170.00318.29
8.2.170.0140.00022.96
8.2.160.0090.00620.38
8.2.150.0100.00324.18
8.2.140.0070.00024.66
8.2.130.0000.00720.52
8.2.120.0000.00726.16
8.2.110.0090.00020.93
8.2.100.0040.00817.84
8.2.90.0050.00319.20
8.2.80.0080.00018.05
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0030.00618.10
8.2.40.0030.00520.51
8.2.30.0000.00719.29
8.2.20.0030.00517.99
8.2.10.0060.00618.17
8.2.00.0040.00418.02
8.1.280.0070.00725.92
8.1.270.0080.00020.73
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00719.51
8.1.230.0080.00418.96
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.00
8.1.190.0000.00817.35
8.1.180.0060.00318.10
8.1.170.0000.00818.46
8.1.160.0000.00719.00
8.1.150.0070.00020.66
8.1.140.0040.00419.48
8.1.130.0050.00518.93
8.1.120.0040.00417.54
8.1.110.0030.00617.35
8.1.100.0000.00717.49
8.1.90.0000.00717.39
8.1.80.0000.00717.36
8.1.70.0040.00417.34
8.1.60.0000.00817.59
8.1.50.0030.00617.57
8.1.40.0030.00517.58
8.1.30.0000.00817.63
8.1.20.0000.00817.64
8.1.10.0040.00417.37
8.1.00.0000.00817.45
8.0.300.0080.00019.73
8.0.290.0040.00416.63
8.0.280.0030.00318.41
8.0.270.0030.00317.25
8.0.260.0000.00718.87
8.0.250.0030.00316.93
8.0.240.0000.00816.86
8.0.230.0030.00316.95
8.0.220.0030.00316.90
8.0.210.0070.00016.75
8.0.200.0030.00316.93
8.0.190.0080.00016.84
8.0.180.0000.00716.88
8.0.170.0030.00516.86
8.0.160.0040.00416.91
8.0.150.0050.00316.84
8.0.140.0080.00016.88
8.0.130.0050.00013.32
8.0.120.0070.00016.75
8.0.110.0050.00216.92
8.0.100.0000.00816.82
8.0.90.0040.00416.91
8.0.80.0080.00816.90
8.0.70.0040.00416.69
8.0.60.0060.00316.90
8.0.50.0080.00016.83
8.0.30.0100.00817.20
8.0.20.0090.01017.40
8.0.10.0070.00016.83
8.0.00.0100.00816.56
7.4.330.0050.00015.55
7.4.320.0030.00516.50
7.4.300.0070.00016.63
7.4.290.0050.00316.55
7.4.280.0040.00416.52
7.4.270.0030.00316.57
7.4.260.0030.00316.43
7.4.250.0050.00316.44
7.4.240.0040.00416.51
7.4.230.0030.00316.66
7.4.220.0150.00316.51
7.4.210.0080.00616.59
7.4.200.0000.00716.65
7.4.160.0100.00516.50
7.4.150.0100.01017.40
7.4.140.0130.00617.86
7.4.130.0140.00716.38
7.4.120.0070.01316.51
7.4.110.0060.01216.37
7.4.100.0160.00616.57
7.4.90.0120.00916.52
7.4.80.0080.00819.39
7.4.70.0130.01016.29
7.4.60.0100.00716.39
7.4.50.0000.01016.20
7.4.40.0040.01316.45
7.4.30.0140.00716.55
7.3.330.0000.00512.99
7.3.320.0000.00512.98
7.3.310.0070.00016.14
7.3.300.0030.00316.16
7.3.290.0040.01116.19
7.3.280.0080.00916.15
7.3.270.0120.00617.40
7.3.260.0100.00816.25
7.3.250.0150.00416.39
7.3.240.0090.00916.28
7.3.230.0110.01216.36
7.3.210.0060.01016.35
7.3.200.0090.00616.36
7.3.190.0110.01116.12
7.3.180.0040.01216.33
7.3.170.0100.00616.31
7.3.160.0030.01416.40
7.2.330.0130.00316.45
7.2.320.0060.01016.45
7.2.310.0060.00916.13
7.2.300.0120.01216.24
7.2.290.0030.01416.32
7.1.60.0730.01733.08
7.1.50.0930.02032.91
7.1.40.1000.01732.20
7.1.30.1170.02332.39
7.1.20.1330.01332.61
7.1.10.0930.01014.29
7.1.00.0700.00714.63
7.0.200.0770.01714.56
7.0.190.1030.01014.59
7.0.180.0930.02014.16
7.0.170.1130.01714.18
7.0.160.1000.01314.44
7.0.150.0800.00714.29
7.0.140.0930.01014.46
7.0.130.0730.00314.45
7.0.120.0600.00714.41
7.0.110.0670.01014.05
7.0.100.0670.01314.32
7.0.90.0930.00714.41
7.0.80.1130.01014.26
7.0.70.1200.01014.30
7.0.60.0800.00713.98
7.0.50.0770.01714.28
7.0.40.1870.01014.39
7.0.30.0900.01014.57
7.0.20.1130.01714.48
7.0.10.1030.01714.56
7.0.00.1370.01014.33

preferences:
23.51 ms | 400 KiB | 5 Q