3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(array_merge['code'],['foo']));

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)
5.4.320.0040.03812.49
5.4.310.0060.04012.50
5.4.300.0050.03812.50
5.4.290.0050.03912.49
5.4.280.0050.03712.39
5.4.270.0080.03712.39
5.4.260.0080.03512.39
5.4.250.0020.04512.39
5.4.240.0090.03712.39
5.4.230.0060.03912.38
5.4.220.0040.03812.38
5.4.210.0050.03512.38
5.4.200.0060.03612.38
5.4.190.0090.03112.38
5.4.180.0030.03712.38
5.4.170.0080.03312.39
5.4.160.0060.03612.38
5.4.150.0070.03412.38
5.4.140.0070.03912.07
5.4.130.0060.03412.05
5.4.120.0040.03612.01
5.4.110.0020.03912.01
5.4.100.0090.03512.01
5.4.90.0030.04012.01
5.4.80.0030.03912.01
5.4.70.0060.03412.01
5.4.60.0020.03612.01
5.4.50.0040.03612.01
5.4.40.0030.04012.00
5.4.30.0090.03211.99
5.4.20.0040.03611.99
5.4.10.0060.03511.99
5.4.00.0040.03711.49
5.3.290.0070.03712.80
5.3.280.0070.03612.71
5.3.270.0070.03712.72
5.3.260.0060.04212.72
5.3.250.0110.03212.72
5.3.240.0070.03612.72
5.3.230.0090.03512.70
5.3.220.0070.03712.68
5.3.210.0040.04112.68
5.3.200.0090.03312.68
5.3.190.0090.03812.68
5.3.180.0080.03812.67
5.3.170.0060.03812.67
5.3.160.0070.03612.68
5.3.150.0060.03912.68
5.3.140.0070.03612.66
5.3.130.0060.03812.66
5.3.120.0060.03912.66
5.3.110.0070.03912.66
5.3.100.0060.03712.12
5.3.90.0080.03612.08
5.3.80.0110.04212.07
5.3.70.0040.03912.07
5.3.60.0060.03512.06
5.3.50.0090.03212.00
5.3.40.0070.03812.00
5.3.30.0050.03811.95
5.3.20.0070.03311.73
5.3.10.0080.03211.70
5.3.00.0100.04111.68
5.2.170.0070.0409.18
5.2.160.0080.0359.18
5.2.150.0080.0329.18
5.2.140.0080.0349.18
5.2.130.0050.0309.14
5.2.120.0040.0319.14
5.2.110.0040.0389.15
5.2.100.0030.0319.14
5.2.90.0040.0299.14
5.2.80.0040.0309.14
5.2.70.0050.0299.14
5.2.60.0050.0299.09
5.2.50.0020.0329.06
5.2.40.0040.0289.03
5.2.30.0060.0289.02
5.2.20.0020.0319.01
5.2.10.0040.0278.93
5.2.00.0070.0258.78
5.1.60.0020.0268.07
5.1.50.0040.0268.06
5.1.40.0040.0248.05
5.1.30.0020.0288.39
5.1.20.0050.0258.42
5.1.10.0030.0268.14
5.1.00.0040.0248.14
5.0.50.0030.0206.62
5.0.40.0020.0206.47
5.0.30.0010.0336.29
5.0.20.0090.0196.27
5.0.10.0040.0186.24
5.0.00.0020.0326.23
4.4.90.0040.0144.78
4.4.80.0030.0154.75
4.4.70.0030.0194.76
4.4.60.0040.0184.75
4.4.50.0040.0144.77
4.4.40.0040.0234.71
4.4.30.0020.0164.75
4.4.20.0020.0164.85
4.4.10.0020.0164.85
4.4.00.0020.0294.76
4.3.110.0050.0184.67
4.3.100.0020.0154.67
4.3.90.0050.0124.63
4.3.80.0030.0244.58
4.3.70.0010.0174.63
4.3.60.0070.0104.62
4.3.50.0020.0164.63
4.3.40.0040.0224.54
4.3.30.0030.0153.28
4.3.20.0020.0153.26
4.3.10.0000.0173.22
4.3.00.0000.02014.92

preferences:
140.75 ms | 1386 KiB | 7 Q