3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = mergearray(Array ( a => 1 ), Array ( b => 2 ) ); $result = call_user_func_array("array_merge", $input); var_export($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)
8.3.40.0150.00018.76
8.3.30.0110.00418.84
8.3.20.0040.00418.91
8.3.10.0080.00020.66
8.3.00.0080.00019.25
8.2.170.0120.00322.96
8.2.160.0100.00621.07
8.2.150.0070.00024.18
8.2.140.0060.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00418.92
8.2.110.0030.00621.02
8.2.100.0080.00417.72
8.2.90.0060.00319.39
8.2.80.0060.00319.40
8.2.70.0000.00917.63
8.2.60.0040.00417.91
8.2.50.0060.00318.07
8.2.40.0000.00718.16
8.2.30.0060.00317.91
8.2.20.0030.00517.57
8.2.10.0050.00217.67
8.2.00.0030.00517.68
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0030.00622.48
8.1.230.0060.00620.80
8.1.220.0040.00417.74
8.1.210.0060.00318.90
8.1.200.0030.00617.35
8.1.190.0000.00717.39
8.1.180.0000.00918.10
8.1.170.0070.00318.67
8.1.160.0040.00418.68
8.1.150.0040.00418.42
8.1.140.0070.00017.24
8.1.130.0080.00017.63
8.1.120.0000.00717.35
8.1.110.0000.00717.34
8.1.100.0040.00417.23
8.1.90.0000.00717.30
8.1.80.0040.00417.33
8.1.70.0000.00717.20
8.1.60.0030.00517.51
8.1.50.0000.00817.32
8.1.40.0030.00617.34
8.1.30.0040.00417.54
8.1.20.0070.00017.56
8.1.10.0030.00617.47
8.1.00.0000.00717.43
8.0.300.0000.00719.89
8.0.290.0030.00616.63
8.0.280.0070.00018.25
8.0.270.0030.00317.15
8.0.260.0060.00016.83
8.0.250.0000.00716.96
8.0.240.0070.00016.84
8.0.230.0030.00317.00
8.0.220.0030.00316.86
8.0.210.0070.00016.89
8.0.200.0000.00616.97
8.0.190.0080.00016.85
8.0.180.0050.00216.91
8.0.170.0000.00816.76
8.0.160.0000.00716.94
8.0.150.0000.01016.79
8.0.140.0040.00416.82
8.0.130.0060.00013.36
8.0.120.0000.00816.86
8.0.110.0000.00816.71
8.0.100.0030.00316.95
8.0.90.0070.00016.84
8.0.80.0000.01516.86
8.0.70.0040.00416.85
8.0.60.0000.00816.75
8.0.50.0040.00416.88
8.0.30.0100.01016.96
8.0.20.0140.00816.88
8.0.10.0040.00416.94
8.0.00.0150.00616.64
7.4.330.0060.00012.89
7.4.320.0060.00016.30
7.4.300.0050.00316.45
7.4.290.0030.00316.54
7.4.280.0040.00416.38
7.4.270.0030.00516.43
7.4.260.0000.00613.21
7.4.250.0040.00416.48
7.4.240.0080.00016.55
7.4.230.0000.00716.54
7.4.220.0100.01016.41
7.4.210.0070.00916.49
7.4.200.0000.00616.43
7.4.190.0030.00316.46
7.4.160.0120.00316.54
7.4.150.0130.00416.57
7.4.140.0060.01116.46
7.4.130.0090.01116.47
7.4.120.0090.01016.42
7.4.110.0000.01816.73
7.4.100.0090.00916.67
7.4.90.0100.00716.37
7.4.80.0030.01319.39
7.4.70.0100.00716.47
7.4.60.0090.00616.47
7.4.50.0040.00816.26
7.4.40.0070.00216.43
7.4.30.0130.00316.52
7.4.00.0130.00314.82
7.3.330.0030.00313.10
7.3.320.0060.00013.20
7.3.310.0060.00316.36
7.3.300.0070.00016.23
7.3.290.0100.00416.31
7.3.280.0060.00816.29
7.3.270.0070.01016.27
7.3.260.0160.00916.41
7.3.250.0100.01016.29
7.3.240.0070.01016.26
7.3.230.0100.00716.58
7.3.210.0100.00716.21
7.3.200.0110.01216.34
7.3.190.0100.01016.40
7.3.180.0050.01116.50
7.3.170.0060.00916.29
7.3.160.0100.00616.30
7.3.120.0070.00714.84
7.2.330.0190.00016.58
7.2.320.0100.00716.53
7.2.310.0100.00716.49
7.2.300.0060.01016.50
7.2.290.0130.00316.29
7.2.60.0040.01116.82
7.2.50.0030.01016.53
7.1.200.0040.00815.64
7.1.70.0000.01617.16
7.1.60.0060.00919.40
7.1.50.0110.00016.89
7.1.00.0030.03322.34
7.0.200.0040.00714.90
7.0.140.0030.07322.08
7.0.120.0070.06322.17
7.0.60.0030.07019.85
7.0.50.0130.07717.88
7.0.40.0030.07317.86
7.0.30.0070.06317.66
7.0.20.0170.07017.78
7.0.10.0030.08717.75
7.0.00.0100.06317.68
5.6.280.0000.07720.98
5.6.210.0030.04320.74
5.6.200.0100.06018.21
5.6.190.0030.06018.09
5.6.180.0200.06718.17
5.6.170.0130.08018.16
5.6.160.0100.08018.16
5.6.150.0070.08318.12
5.6.140.0070.06018.17
5.6.130.0030.05318.20
5.6.120.0130.07318.20
5.6.110.0030.05018.11
5.6.100.0170.07018.18
5.6.90.0030.04318.17
5.6.80.0070.05017.57
5.6.70.0030.05717.56
5.6.60.0100.07717.48
5.6.50.0100.07317.57
5.6.40.0070.07317.54
5.6.30.0030.04317.47
5.6.20.0170.06017.56
5.6.10.0100.07317.51
5.6.00.0000.07017.57
5.5.350.0270.07320.52
5.5.340.0130.04017.95
5.5.330.0030.06317.99
5.5.320.0070.06717.92
5.5.310.0030.06318.02
5.5.300.0100.07317.95
5.5.290.0000.04717.98
5.5.280.0000.08317.92
5.5.270.0030.05718.01
5.5.260.0100.07718.03
5.5.250.0100.07717.79
5.5.240.0030.06717.36
5.5.230.0030.04017.25
5.5.220.0130.06717.35
5.5.210.0070.04317.38
5.5.200.0100.07017.23
5.5.190.0070.04717.33
5.5.180.0030.06017.36
5.5.160.0030.08017.30
5.5.150.0130.04017.36
5.5.140.0100.06017.36
5.5.130.0100.06717.33
5.5.120.0000.05017.33
5.5.110.0070.05317.33
5.5.100.0030.07317.16
5.5.90.0030.04017.16
5.5.80.0070.03717.14
5.5.70.0100.03317.15
5.5.60.0030.07717.21
5.5.50.0100.07317.15
5.5.40.0170.07017.25
5.5.30.0130.06717.25
5.5.20.0070.08017.24
5.5.10.0170.06717.15
5.5.00.0070.04317.20
5.4.450.0070.04019.37
5.4.440.0000.04719.34
5.4.430.0070.07719.14
5.4.420.0130.07319.27
5.4.410.0030.04019.32
5.4.400.0000.04319.04
5.4.390.0030.07018.98
5.4.380.0000.07318.82
5.4.370.0100.07018.95
5.4.360.0030.08018.93
5.4.350.0070.07718.98
5.4.340.0100.07319.09
5.4.320.0070.05019.13
5.4.310.0170.06318.99
5.4.300.0070.05319.13
5.4.290.0100.05019.04
5.4.280.0130.05719.02
5.4.270.0000.05718.98
5.4.260.0030.07018.95
5.4.250.0070.05318.98
5.4.240.0030.04019.11
5.4.230.0130.02719.08
5.4.220.0030.08019.03
5.4.210.0130.05719.13
5.4.200.0070.07019.11
5.4.190.0070.08319.02
5.4.180.0070.07019.02
5.4.170.0000.04718.98
5.4.160.0130.06019.05
5.4.150.0070.05718.96
5.4.140.0030.08016.34
5.4.130.0130.06016.28
5.4.120.0000.05016.35
5.4.110.0030.07716.36
5.4.100.0000.07016.29
5.4.90.0070.05716.44
5.4.80.0000.06016.27
5.4.70.0000.07016.24
5.4.60.0030.08016.22
5.4.50.0100.04016.36
5.4.40.0030.03716.30
5.4.30.0170.06316.34
5.4.20.0030.06716.26
5.4.10.0070.07016.20
5.4.00.0100.04015.70
5.3.290.0100.04314.60
5.3.280.0070.04314.45
5.3.270.0070.03714.56
5.3.260.0130.07014.52
5.3.250.0100.04314.43
5.3.240.0100.05714.53
5.3.230.0030.06014.52
5.3.220.0030.07014.53
5.3.210.0100.06714.45
5.3.200.0030.05014.52
5.3.190.0030.07014.52
5.3.180.0130.07014.34
5.3.170.0130.07314.50
5.3.160.0000.08314.52
5.3.150.0100.07014.47
5.3.140.0130.03314.52
5.3.130.0130.04314.54
5.3.120.0100.07014.36
5.3.110.0070.07714.50
5.3.100.0070.05013.89
5.3.90.0070.04313.95
5.3.80.0070.07313.93
5.3.70.0030.08013.98
5.3.60.0070.07713.84
5.3.50.0070.05313.87
5.3.40.0100.07014.02
5.3.30.0100.04713.83
5.3.20.0100.06313.47
5.3.10.0030.06013.61
5.3.00.0000.05313.48
5.2.170.0070.05711.13
5.2.160.0200.03010.93
5.2.150.0030.06711.14
5.2.140.0070.04710.97
5.2.130.0100.05711.13
5.2.120.0100.06011.10
5.2.110.0030.05011.24
5.2.100.0070.04311.09
5.2.90.0070.05011.09
5.2.80.0000.04010.91
5.2.70.0070.03311.22
5.2.60.0000.06011.02
5.2.50.0100.04311.00
5.2.40.0070.02310.94
5.2.30.0030.04310.91
5.2.20.0000.04010.94
5.2.10.0000.03010.84
5.2.00.0000.03010.73
5.1.60.0000.0279.96
5.1.50.0030.02310.02
5.1.40.0000.0309.88
5.1.30.0000.04010.30
5.1.20.0000.03010.27
5.1.10.0000.02710.10
5.1.00.0000.02710.09
5.0.50.0030.0208.55
5.0.40.0000.0208.34
5.0.30.0000.0308.20
5.0.20.0000.0208.28
5.0.10.0000.0208.13
5.0.00.0000.0308.14
4.4.90.0030.0337.88
4.4.80.0000.0307.88
4.4.70.0000.0177.88
4.4.60.0030.0137.88
4.4.50.0000.0177.88
4.4.40.0000.0237.88
4.4.30.0030.0137.88
4.4.20.0000.0177.88
4.4.10.0000.0237.88
4.4.00.0000.0237.88
4.3.110.0000.0137.88
4.3.100.0000.0177.88
4.3.90.0000.0177.88
4.3.80.0000.0277.88
4.3.70.0000.0177.88
4.3.60.0030.0107.88
4.3.50.0030.0137.88
4.3.40.0000.0237.88
4.3.30.0030.0137.88
4.3.20.0000.0137.88
4.3.10.0000.0137.88
4.3.00.0000.0137.88

preferences:
44.47 ms | 400 KiB | 5 Q