3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = Array ( 0 => 1 ), Array ( 0 => 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)
5.4.290.0070.03712.48
5.4.280.0100.04912.37
5.4.270.0100.04812.38
5.4.260.0160.05812.38
5.4.250.0030.04212.37
5.4.240.0090.04812.38
5.4.230.0140.04512.37
5.4.220.0050.06212.37
5.4.210.0070.05912.37
5.4.200.0070.04412.36
5.4.190.0050.03812.36
5.4.180.0080.04412.36
5.4.170.0130.05112.37
5.4.160.0100.04712.36
5.4.150.0080.05012.36
5.4.140.0060.04612.05
5.4.130.0070.03512.04
5.4.120.0050.03812.00
5.4.110.0050.03811.99
5.4.100.0040.03812.00
5.4.90.0110.03311.99
5.4.80.0040.03912.00
5.4.70.0060.03511.99
5.4.60.0030.03712.00
5.4.50.0050.03711.99
5.4.40.0080.04011.98
5.4.30.0050.03611.98
5.4.20.0080.03611.97
5.4.10.0060.04311.98
5.4.00.0110.04811.47
5.3.280.0100.04412.71
5.3.270.0080.03912.73
5.3.260.0120.04112.72
5.3.250.0120.06112.72
5.3.240.0170.05612.71
5.3.230.0100.06412.71
5.3.220.0130.09412.68
5.3.210.0240.10912.68
5.3.200.0210.08212.68
5.3.190.0070.05512.68
5.3.180.0110.04812.68
5.3.170.0130.06812.67
5.3.160.0090.06912.67
5.3.150.0100.05612.67
5.3.140.0100.05512.66
5.3.130.0070.05112.66
5.3.120.0130.05612.66
5.3.110.0180.07012.65
5.3.100.0200.08512.11
5.3.90.0080.06012.08
5.3.80.0090.06312.08
5.3.70.0150.05712.07
5.3.60.0270.07712.07
5.3.50.0140.05312.00
5.3.40.0160.04812.00
5.3.30.0130.07111.95
5.3.20.0120.04111.72
5.3.10.0110.04611.70
5.3.00.0130.05311.68
5.2.170.0100.0479.18
5.2.160.0050.0369.18
5.2.150.0110.0449.18
5.2.140.0170.0469.18
5.2.130.0130.0829.13
5.2.120.0150.0709.14
5.2.110.0110.0439.14
5.2.100.0100.0369.14
5.2.90.0100.0429.14
5.2.80.0100.0449.14
5.2.70.0110.0409.14
5.2.60.0100.0409.09
5.2.50.0080.0379.06
5.2.40.0080.0329.04
5.2.30.0080.0389.01
5.2.20.0050.0339.00
5.2.10.0110.0388.93
5.2.00.0060.0358.78
5.1.60.0080.0298.07
5.1.50.0070.0408.06
5.1.40.0060.0338.05
5.1.30.0080.0288.40
5.1.20.0060.0288.42
5.1.10.0030.0308.14
5.1.00.0070.0298.14
5.0.50.0040.0226.62
5.0.40.0060.0286.48
5.0.30.0070.0386.29
5.0.20.0070.0656.27
5.0.10.0120.0316.24
5.0.00.0050.0336.23
4.4.90.0070.0244.78
4.4.80.0060.0244.76
4.4.70.0040.0244.75
4.4.60.0060.0204.75
4.4.50.0040.0274.77
4.4.40.0050.0384.71
4.4.30.0030.0244.76
4.4.20.0030.0254.84
4.4.10.0050.0234.85
4.4.00.0090.0304.76
4.3.110.0040.0254.67
4.3.100.0040.0224.66
4.3.90.0050.0204.64
4.3.80.0020.0364.59
4.3.70.0040.0224.63
4.3.60.0030.0254.63
4.3.50.0070.0224.63
4.3.40.0020.0364.54
4.3.30.0070.0193.28
4.3.20.0030.0233.26
4.3.10.0030.0233.22
4.3.00.0270.01710.55

preferences:
144.16 ms | 1394 KiB | 7 Q