3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = ['o' => 'vote', 'u' => 'true']; $arr2 = ['p' => '', 'v' => 'digit']; print_r(array_merge($arr1, $arr2));

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)
8.5.30.0100.00721.23
8.5.20.0130.00519.96
8.5.10.0110.00616.49
8.5.00.0130.00919.77
8.4.180.0120.01219.65
8.4.170.0070.00322.13
8.4.160.0060.00623.79
8.4.150.0090.00416.80
8.4.140.0100.01017.39
8.4.130.0100.01017.81
8.4.120.0090.01020.52
8.4.110.0070.00822.34
8.4.100.0110.00918.28
8.4.90.0120.00917.55
8.4.80.0080.00919.32
8.4.70.0120.00719.28
8.4.60.0130.00618.73
8.4.50.0160.00518.75
8.4.40.0040.01117.52
8.4.30.0160.00317.63
8.4.20.0060.00617.48
8.4.10.0040.00419.59
8.3.300.0110.00920.72
8.3.290.0080.01220.72
8.3.280.0130.00818.23
8.3.270.0060.00416.63
8.3.260.0080.00716.64
8.3.250.0090.00818.61
8.3.240.0090.00716.21
8.3.230.0140.00616.47
8.3.220.0120.00617.02
8.3.210.0100.00816.53
8.3.200.0040.00416.55
8.3.190.0040.00417.02
8.3.180.0110.00819.13
8.3.170.0070.01417.16
8.3.160.0090.00917.05
8.3.150.0080.01117.04
8.3.140.0140.00020.62
8.3.130.0130.00318.29
8.3.120.0060.00318.82
8.3.110.0150.00016.48
8.3.100.0060.00324.06
8.3.90.0040.01126.77
8.3.80.0040.00416.38
8.3.70.0120.00316.63
8.3.60.0120.00916.75
8.3.50.0100.00518.16
8.3.40.0120.00918.64
8.3.30.0120.00318.44
8.3.20.0040.00421.67
8.3.10.0060.00323.52
8.3.00.0080.00019.66
8.2.300.0110.00817.98
8.2.290.0060.00420.61
8.2.280.0070.00820.19
8.2.270.0080.00016.44
8.2.260.0170.00316.42
8.2.250.0110.00016.45
8.2.240.0150.00017.09
8.2.230.0090.00620.94
8.2.220.0040.01237.54
8.2.210.0110.00326.77
8.2.200.0060.00318.16
8.2.190.0140.00716.58
8.2.180.0120.00318.29
8.2.170.0120.00422.96
8.2.160.0110.00420.35
8.2.150.0040.00424.18
8.2.140.0100.00324.66
8.2.130.0070.00026.16
8.2.120.0080.00019.13
8.2.110.0050.00520.89
8.2.100.0080.00417.72
8.2.90.0030.00618.03
8.2.80.0040.00419.16
8.2.70.0080.00017.25
8.2.60.0030.00617.80
8.2.50.0060.00318.10
8.2.40.0000.00720.61
8.2.30.0080.00019.09
8.2.20.0040.00417.88
8.2.10.0040.00417.86
8.2.00.0040.00417.99
8.1.340.0150.00517.48
8.1.330.0090.00822.15
8.1.320.0130.00817.60
8.1.310.0140.00316.57
8.1.300.0040.00717.91
8.1.290.0060.00318.88
8.1.280.0120.00625.92
8.1.270.0080.00020.48
8.1.260.0040.00426.35
8.1.250.0090.00028.09
8.1.240.0040.00422.20
8.1.230.0080.00422.70
8.1.220.0040.00417.74
8.1.210.0030.00619.86
8.1.200.0030.00617.23
8.1.190.0080.00017.00
8.1.180.0030.00518.10
8.1.170.0040.00418.52
8.1.160.0040.00418.76
8.1.150.0000.00818.71
8.1.140.0050.00219.51
8.1.130.0040.00418.82
8.1.120.0030.00317.40
8.1.110.0030.00617.27
8.1.100.0000.00817.28
8.1.90.0040.00417.27
8.1.80.0040.00417.41
8.1.70.0030.00317.38
8.1.60.0040.00417.57
8.1.50.0040.00417.44
8.1.40.0000.00817.30
8.1.30.0050.00317.41
8.1.20.0040.00417.64
8.1.10.0050.00217.37
8.1.00.0000.00817.32
8.0.300.0030.00320.16
8.0.290.0080.00016.58
8.0.280.0030.00318.29
8.0.270.0030.00317.10
8.0.260.0030.00318.87
8.0.250.0030.00316.91
8.0.240.0000.00716.86
8.0.230.0040.00416.84
8.0.220.0080.00016.81
8.0.210.0030.00316.81
8.0.200.0030.00316.92
8.0.190.0060.00316.91
8.0.180.0000.00716.77
8.0.170.0000.00816.79
8.0.160.0000.00716.73
8.0.150.0070.00016.70
8.0.140.0030.00516.81
8.0.130.0000.00513.23
8.0.120.0000.00816.79
8.0.110.0040.00416.71
8.0.100.0040.00416.86
8.0.90.0040.00416.83
8.0.80.0080.00716.88
8.0.70.0080.00016.64
8.0.60.0000.00716.81
8.0.50.0040.00416.66
8.0.30.0080.01116.92
8.0.20.0130.00917.40
8.0.10.0040.00416.91
8.0.00.0200.00016.82
7.4.330.0040.00015.55
7.4.320.0030.00316.36
7.4.300.0000.00616.53
7.4.290.0030.00616.38
7.4.280.0030.00516.50
7.4.270.0000.00716.42
7.4.260.0040.00416.41
7.4.250.0000.00816.54
7.4.240.0030.00516.41
7.4.230.0040.00416.42
7.4.220.0080.01216.55
7.4.210.0110.00716.55
7.4.200.0030.00316.55
7.4.160.0110.00816.47
7.4.150.0170.00317.40
7.4.140.0110.01017.86
7.4.130.0190.00016.47
7.4.120.0070.01216.29
7.4.110.0100.00716.18
7.4.100.0070.01016.57
7.4.90.0030.01616.34
7.4.80.0120.00619.39
7.4.70.0060.01416.41
7.4.60.0070.01016.51
7.4.50.0030.01416.43
7.4.40.0070.01016.36
7.4.30.0060.01216.19
7.4.00.0060.00814.90
7.3.330.0000.00512.96
7.3.320.0030.00313.04
7.3.310.0070.00016.12
7.3.300.0040.00416.23
7.3.290.0050.01016.18
7.3.280.0080.00916.12
7.3.270.0140.00317.40
7.3.260.0110.00916.37
7.3.250.0120.01116.22
7.3.240.0070.01516.20
7.3.230.0160.00616.11
7.3.210.0100.00616.48
7.3.200.0150.00016.40
7.3.190.0100.00716.19
7.3.180.0040.01216.21
7.3.170.0120.00316.29
7.3.160.0060.00916.14
7.2.330.0110.00716.30
7.2.320.0120.00616.31
7.2.310.0110.00516.41
7.2.300.0060.00916.44
7.2.290.0050.01116.32
7.2.60.0000.01016.77
7.1.200.0090.00315.81
7.1.70.0070.00717.20
7.1.60.1070.01032.88
7.1.50.0700.00332.77
7.1.40.0770.01032.63
7.1.30.1000.01732.54
7.1.20.0730.01332.65
7.1.10.0630.00714.64
7.1.00.0600.01714.85
7.0.200.1400.01014.79
7.0.190.0700.01314.80
7.0.180.0630.01014.27
7.0.170.1230.00714.25
7.0.160.0830.01014.40
7.0.150.0530.01014.21
7.0.140.0670.01014.09
7.0.130.0730.00714.42
7.0.120.0870.01014.49
7.0.110.0800.00714.31
7.0.100.0900.01314.44
7.0.90.0830.00314.02
7.0.80.0800.01014.37
7.0.70.0770.01014.27
7.0.60.0830.01014.23
7.0.50.0770.01014.49
7.0.40.1000.01014.52
7.0.30.0670.01314.51
7.0.20.0770.00714.45
7.0.10.0730.01014.41
7.0.00.0700.01014.36

preferences:
60.83 ms | 1449 KiB | 5 Q