3v4l.org

run code in 300+ PHP versions simultaneously
<?php p array_merge(array(1,2), null)

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)
5.4.320.0050.03912.50
5.4.310.0050.03912.49
5.4.300.0060.03712.50
5.4.290.0090.03412.50
5.4.280.0050.03612.39
5.4.270.0030.03912.39
5.4.260.0030.04012.39
5.4.250.0030.04012.39
5.4.240.0040.03612.39
5.4.230.0040.03812.38
5.4.220.0050.03812.38
5.4.210.0090.04412.38
5.4.200.0130.03112.38
5.4.190.0050.03612.38
5.4.180.0050.03812.38
5.4.170.0080.04112.39
5.4.160.0080.03912.38
5.4.150.0070.04212.38
5.4.140.0100.03812.07
5.4.130.0040.04212.05
5.4.120.0070.03212.01
5.4.110.0060.04412.01
5.4.100.0060.03912.01
5.4.90.0070.04112.01
5.4.80.0050.03612.02
5.4.70.0050.03512.01
5.4.60.0080.03612.00
5.4.50.0040.03712.01
5.4.40.0050.03411.99
5.4.30.0070.03911.99
5.4.20.0080.03811.99
5.4.10.0050.03511.99
5.4.00.0070.04111.49
5.3.290.0090.03912.80
5.3.280.0070.04512.71
5.3.270.0090.03512.72
5.3.260.0080.04212.72
5.3.250.0090.03912.72
5.3.240.0080.03412.72
5.3.230.0080.03612.71
5.3.220.0100.03612.68
5.3.210.0090.05412.68
5.3.200.0050.04112.68
5.3.190.0040.03812.68
5.3.180.0060.03512.68
5.3.170.0070.03412.67
5.3.160.0070.03812.67
5.3.150.0080.04012.67
5.3.140.0050.03712.66
5.3.130.0080.04112.66
5.3.120.0060.04112.66
5.3.110.0060.04312.66
5.3.100.0090.03412.12
5.3.90.0050.04612.08
5.3.80.0060.03612.07
5.3.70.0070.04212.08
5.3.60.0080.04512.06
5.3.50.0060.04212.00
5.3.40.0090.03712.00
5.3.30.0070.03711.95
5.3.20.0080.03811.73
5.3.10.0140.02811.70
5.3.00.0060.03711.70
5.2.170.0080.0299.18
5.2.160.0060.0339.18
5.2.150.0100.0269.18
5.2.140.0030.0329.18
5.2.130.0040.0389.14
5.2.120.0060.0309.14
5.2.110.0040.0319.15
5.2.100.0100.0289.15
5.2.90.0030.0389.15
5.2.80.0080.0279.14
5.2.70.0070.0299.13
5.2.60.0070.0299.09
5.2.50.0070.0329.06
5.2.40.0040.0319.03
5.2.30.0070.0449.02
5.2.20.0100.0379.00
5.2.10.0040.0288.93
5.2.00.0060.0288.78
5.1.60.0100.0228.07
5.1.50.0050.0258.06
5.1.40.0070.0308.05
5.1.30.0050.0308.40
5.1.20.0050.0308.42
5.1.10.0040.0358.14
5.1.00.0080.0298.14
5.0.50.0090.0196.63
5.0.40.0030.0196.48
5.0.30.0010.0386.29
5.0.20.0040.0266.27
5.0.10.0030.0286.24
5.0.00.0030.0436.23
4.4.90.0030.0164.78
4.4.80.0030.0154.76
4.4.70.0030.0154.76
4.4.60.0010.0164.76
4.4.50.0040.0144.77
4.4.40.0030.0244.71
4.4.30.0030.0154.76
4.4.20.0020.0164.84
4.4.10.0020.0164.84
4.4.00.0020.0264.76
4.3.110.0010.0184.66
4.3.100.0030.0154.67
4.3.90.0040.0134.63
4.3.80.0040.0234.59
4.3.70.0050.0144.63
4.3.60.0050.0124.63
4.3.50.0030.0164.63
4.3.40.0040.0234.54
4.3.30.0030.0153.28
4.3.20.0030.0153.26
4.3.10.0040.0143.21
4.3.00.0070.01318.41

preferences:
144.07 ms | 1394 KiB | 7 Q