3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=1;$b=++a; echo ($a+$b);

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)
5.4.310.0100.04212.50
5.4.300.0040.04312.50
5.4.290.0120.04212.49
5.4.280.0120.04012.39
5.4.270.0090.04812.39
5.4.260.0070.03712.39
5.4.250.0070.04212.39
5.4.240.0080.04412.39
5.4.230.0040.03812.38
5.4.220.0060.03412.38
5.4.210.0080.03212.38
5.4.200.0050.03712.38
5.4.190.0040.03612.38
5.4.180.0060.03512.38
5.4.170.0040.03712.39
5.4.160.0110.03612.38
5.4.150.0070.03412.38
5.4.140.0040.03812.07
5.4.130.0050.03612.05
5.4.120.0040.03612.01
5.4.110.0060.03512.01
5.4.100.0110.04012.01
5.4.90.0050.04212.01
5.4.80.0040.03812.01
5.4.70.0060.03612.01
5.4.60.0040.03712.00
5.4.50.0030.03712.01
5.4.40.0060.03412.00
5.4.30.0100.03111.99
5.4.20.0040.03711.99
5.4.10.0050.03411.99
5.4.00.0060.04611.48
5.3.290.0080.04512.80
5.3.280.0070.04212.71
5.3.270.0100.04012.72
5.3.260.0060.04712.72
5.3.250.0050.04012.72
5.3.240.0060.03712.72
5.3.230.0050.03912.71
5.3.220.0050.04312.68
5.3.210.0070.04712.68
5.3.200.0110.03612.68
5.3.190.0050.04212.67
5.3.180.0050.03712.67
5.3.170.0060.03712.67
5.3.160.0040.03812.68
5.3.150.0080.04112.68
5.3.140.0080.03812.66
5.3.130.0090.04512.65
5.3.120.0050.04412.66
5.3.110.0060.04012.66
5.3.100.0060.03712.12
5.3.90.0060.03612.08
5.3.80.0040.03712.07
5.3.70.0050.04412.07
5.3.60.0090.03912.07
5.3.50.0070.03812.01
5.3.40.0050.04012.00
5.3.30.0080.03211.95
5.3.20.0050.03611.72
5.3.10.0060.03611.70
5.3.00.0060.04711.68
5.2.170.0080.0289.18
5.2.160.0070.0319.18
5.2.150.0120.0439.18
5.2.140.0030.0329.18
5.2.130.0080.0309.14
5.2.120.0040.0389.13
5.2.110.0070.0329.14
5.2.100.0060.0349.14
5.2.90.0050.0379.14
5.2.80.0000.0349.14
5.2.70.0050.0309.14
5.2.60.0020.0339.09
5.2.50.0050.0299.06
5.2.40.0090.0299.04
5.2.30.0060.0379.01
5.2.20.0060.0379.00
5.2.10.0070.0308.93
5.2.00.0050.0318.78
5.1.60.0070.0278.07
5.1.50.0010.0278.07
5.1.40.0070.0308.05
5.1.30.0040.0318.39
5.1.20.0020.0288.41
5.1.10.0050.0328.14
5.1.00.0080.0268.14
5.0.50.0030.0206.63
5.0.40.0010.0316.48
5.0.30.0040.0416.29
5.0.20.0010.0216.27
5.0.10.0040.0356.24
5.0.00.0020.0386.23
4.4.90.0020.0164.78
4.4.80.0010.0274.76
4.4.70.0040.0204.76
4.4.60.0010.0174.75
4.4.50.0030.0214.77
4.4.40.0030.0244.71
4.4.30.0050.0124.76
4.4.20.0040.0154.85
4.4.10.0040.0194.85
4.4.00.0020.0364.76
4.3.110.0020.0224.66
4.3.100.0060.0234.66
4.3.90.0030.0224.64
4.3.80.0030.0244.58
4.3.70.0010.0164.63
4.3.60.0070.0164.63
4.3.50.0020.0184.63
4.3.40.0030.0234.54
4.3.30.0020.0233.29
4.3.20.0020.0203.27
4.3.10.0060.0223.21
4.3.00.0070.0237.13

preferences:
141.32 ms | 1394 KiB | 7 Q