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)
5.4.310.0090.03612.49
5.4.300.0050.03812.50
5.4.290.0050.04312.50
5.4.280.0090.04112.39
5.4.270.0030.04012.39
5.4.260.0090.03512.39
5.4.250.0060.04612.39
5.4.240.0060.03612.39
5.4.230.0070.03712.38
5.4.220.0080.03412.38
5.4.210.0080.03312.38
5.4.200.0070.03612.38
5.4.190.0080.04012.38
5.4.180.0050.03912.38
5.4.170.0050.03812.39
5.4.160.0080.04112.38
5.4.150.0080.04112.38
5.4.140.0080.03412.07
5.4.130.0050.04112.05
5.4.120.0070.03812.02
5.4.110.0050.03512.01
5.4.100.0060.04112.01
5.4.90.0080.03812.01
5.4.80.0060.03712.02
5.4.70.0050.03512.01
5.4.60.0050.03512.01
5.4.50.0040.03712.01
5.4.40.0080.04012.00
5.4.30.0120.04311.99
5.4.20.0070.05011.99
5.4.10.0060.05011.99
5.4.00.0070.04911.48
5.3.290.0030.04312.80
5.3.280.0100.04912.71
5.3.270.0060.05012.73
5.3.260.0120.04312.72
5.3.250.0060.04012.72
5.3.240.0040.03912.71
5.3.230.0040.04112.71
5.3.220.0060.04212.68
5.3.210.0060.03912.68
5.3.200.0060.03712.68
5.3.190.0080.03812.68
5.3.180.0070.05312.67
5.3.170.0050.03712.67
5.3.160.0080.03712.68
5.3.150.0050.05012.67
5.3.140.0040.04212.66
5.3.130.0050.03912.66
5.3.120.0060.03812.66
5.3.110.0040.04112.66
5.3.100.0070.04112.12
5.3.90.0090.03512.09
5.3.80.0070.03512.08
5.3.70.0060.03712.07
5.3.60.0080.04312.06
5.3.50.0080.03412.00
5.3.40.0050.04312.00
5.3.30.0050.04011.95
5.3.20.0050.04011.73
5.3.10.0080.04411.70
5.3.00.0030.04211.68
5.2.170.0070.0319.18
5.2.160.0040.0309.19
5.2.150.0050.0309.18
5.2.140.0050.0319.18
5.2.130.0030.0329.14
5.2.120.0020.0349.14
5.2.110.0040.0309.14
5.2.100.0070.0269.14
5.2.90.0020.0319.14
5.2.80.0060.0409.14
5.2.70.0020.0329.14
5.2.60.0080.0349.09
5.2.50.0050.0369.06
5.2.40.0040.0369.04
5.2.30.0050.0399.02
5.2.20.0050.0279.00
5.2.10.0010.0318.93
5.2.00.0050.0308.78
5.1.60.0050.0238.07
5.1.50.0040.0378.07
5.1.40.0030.0258.05
5.1.30.0020.0288.40
5.1.20.0060.0248.42
5.1.10.0060.0248.14
5.1.00.0010.0298.14
5.0.50.0060.0186.62
5.0.40.0030.0196.48
5.0.30.0020.0336.29
5.0.20.0030.0206.26
5.0.10.0030.0206.24
5.0.00.0000.0346.23
4.4.90.0030.0154.78
4.4.80.0010.0164.76
4.4.70.0020.0164.76
4.4.60.0040.0144.75
4.4.50.0020.0164.77
4.4.40.0010.0274.71
4.4.30.0020.0164.76
4.4.20.0050.0134.84
4.4.10.0020.0164.85
4.4.00.0020.0284.76
4.3.110.0020.0164.66
4.3.100.0060.0114.66
4.3.90.0040.0134.64
4.3.80.0030.0244.58
4.3.70.0030.0154.63
4.3.60.0020.0174.62
4.3.50.0060.0254.63
4.3.40.0050.0314.54
4.3.30.0020.0153.29
4.3.20.0040.0243.27
4.3.10.0020.0283.22
4.3.00.0000.0237.11

preferences:
138.71 ms | 1394 KiB | 7 Q