3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '2_guys'; var_dump( ++$a+1));

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)
5.4.350.0060.03412.02
5.4.340.0050.03512.01
5.4.320.0070.04212.50
5.4.310.0130.03512.49
5.4.300.0110.03412.50
5.4.290.0050.03912.50
5.4.280.0050.03512.39
5.4.270.0070.03812.39
5.4.260.0090.03412.39
5.4.250.0050.04412.39
5.4.240.0080.03712.39
5.4.230.0080.04212.38
5.4.220.0040.04112.38
5.4.210.0040.04112.38
5.4.200.0060.04112.38
5.4.190.0040.03812.38
5.4.180.0060.03712.38
5.4.170.0070.03712.39
5.4.160.0060.03612.38
5.4.150.0080.03712.38
5.4.140.0090.04212.07
5.4.130.0070.03712.05
5.4.120.0050.03712.02
5.4.110.0090.04412.01
5.4.100.0060.04112.01
5.4.90.0040.04012.01
5.4.80.0070.04512.01
5.4.70.0060.03712.00
5.4.60.0030.03712.01
5.4.50.0070.03812.00
5.4.40.0070.03511.99
5.4.30.0050.03512.00
5.4.20.0030.03811.99
5.4.10.0060.03811.99
5.4.00.0070.03811.48
5.3.290.0080.04512.80
5.3.280.0060.03812.71
5.3.270.0090.03712.72
5.3.260.0090.03512.72
5.3.250.0050.03912.72
5.3.240.0060.03812.72
5.3.230.0060.03812.71
5.3.220.0090.04312.68
5.3.210.0070.04212.68
5.3.200.0100.03512.68
5.3.190.0090.04212.67
5.3.180.0050.03612.68
5.3.170.0040.03812.67
5.3.160.0050.03712.68
5.3.150.0110.04612.67
5.3.140.0040.03812.66
5.3.130.0050.03912.65
5.3.120.0080.04412.65
5.3.110.0080.04712.66
5.3.100.0060.04112.11
5.3.90.0080.03512.08
5.3.80.0040.04512.07
5.3.70.0030.04612.08
5.3.60.0060.04112.06
5.3.50.0060.03612.00
5.3.40.0060.03612.00
5.3.30.0040.03611.95
5.3.20.0040.03911.72
5.3.10.0080.03111.70
5.3.00.0080.03211.69
5.2.170.0040.0369.18
5.2.160.0050.0419.18
5.2.150.0040.0299.18
5.2.140.0070.0359.18
5.2.130.0050.0299.14
5.2.120.0060.0339.14
5.2.110.0060.0299.15
5.2.100.0060.0269.14
5.2.90.0070.0269.14
5.2.80.0040.0299.14
5.2.70.0040.0309.14
5.2.60.0030.0349.09
5.2.50.0070.0289.06
5.2.40.0050.0299.04
5.2.30.0050.0289.02
5.2.20.0040.0329.00
5.2.10.0020.0308.93
5.2.00.0040.0298.78
5.1.60.0030.0248.07
5.1.50.0050.0238.06
5.1.40.0060.0278.04
5.1.30.0050.0288.40
5.1.20.0020.0318.42
5.1.10.0060.0238.14
5.1.00.0050.0308.14
5.0.50.0030.0236.62
5.0.40.0040.0236.48
5.0.30.0020.0366.29
5.0.20.0030.0196.27
5.0.10.0010.0226.24
5.0.00.0050.0316.23
4.4.90.0020.0164.78
4.4.80.0030.0144.75
4.4.70.0050.0164.76
4.4.60.0020.0194.75
4.4.50.0050.0134.77
4.4.40.0020.0294.71
4.4.30.0030.0164.76
4.4.20.0030.0154.84
4.4.10.0020.0214.85
4.4.00.0030.0304.76
4.3.110.0010.0174.67
4.3.100.0050.0154.67
4.3.90.0030.0204.64
4.3.80.0030.0244.58
4.3.70.0030.0134.63
4.3.60.0030.0204.63
4.3.50.0010.0184.63
4.3.40.0020.0244.54
4.3.30.0020.0203.28
4.3.20.0010.0163.26
4.3.10.0030.0183.21
4.3.00.0000.0239.85

preferences:
157 ms | 1394 KiB | 7 Q