3v4l.org

run code in 300+ PHP versions simultaneously
<?php $handle = popen("/bin/ls", "r"); $read = fread($handle, 2096); echo $read;

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)
5.4.320.0080.03412.50
5.4.310.0050.03812.49
5.4.300.0080.03512.50
5.4.290.0050.04112.49
5.4.280.0070.04312.39
5.4.270.0050.04112.39
5.4.260.0090.03412.39
5.4.250.0070.03912.39
5.4.240.0050.03612.39
5.4.230.0060.03612.38
5.4.220.0050.03512.38
5.4.210.0080.03212.38
5.4.200.0060.03812.38
5.4.190.0060.03612.38
5.4.180.0070.03612.38
5.4.170.0070.03812.38
5.4.160.0050.03512.38
5.4.150.0050.03512.38
5.4.140.0070.03512.07
5.4.130.0030.03812.05
5.4.120.0080.03612.01
5.4.110.0050.03512.01
5.4.100.0050.03612.01
5.4.90.0060.03812.01
5.4.80.0080.03712.01
5.4.70.0040.03612.00
5.4.60.0070.03412.01
5.4.50.0050.03512.01
5.4.40.0050.03611.99
5.4.30.0050.03611.99
5.4.20.0040.03611.99
5.4.10.0070.03511.99
5.4.00.0030.03911.48
5.3.290.0080.03812.80
5.3.280.0090.03612.71
5.3.270.0050.03912.72
5.3.260.0070.03712.72
5.3.250.0080.03712.72
5.3.240.0080.03712.72
5.3.230.0050.03812.71
5.3.220.0090.03512.68
5.3.210.0060.04412.68
5.3.200.0070.04312.68
5.3.190.0060.04112.68
5.3.180.0040.04712.67
5.3.170.0050.04512.67
5.3.160.0050.03812.67
5.3.150.0070.03712.67
5.3.140.0050.03812.66
5.3.130.0100.03612.66
5.3.120.0070.03912.66
5.3.110.0090.04112.66
5.3.100.0070.04112.12
5.3.90.0070.03512.09
5.3.80.0070.03712.08
5.3.70.0050.03712.07
5.3.60.0080.03412.06
5.3.50.0050.03612.00
5.3.40.0050.03812.00
5.3.30.0090.03911.95
5.3.20.0070.04111.73
5.3.10.0060.04311.70
5.3.00.0060.04011.69
5.2.170.0050.0339.19
5.2.160.0050.0329.18
5.2.150.0040.0379.18
5.2.140.0040.0389.18
5.2.130.0080.0339.14
5.2.120.0090.0429.14
5.2.110.0100.0359.14
5.2.100.0090.0349.14
5.2.90.0090.0349.14
5.2.80.0070.0389.14
5.2.70.0080.0399.14
5.2.60.0050.0369.09
5.2.50.0060.0439.06
5.2.40.0090.0349.04
5.2.30.0090.0499.01
5.2.20.0070.0389.00
5.2.10.0100.0428.92
5.2.00.0080.0328.79
5.1.60.0080.0318.07
5.1.50.0040.0308.07
5.1.40.0050.0268.04
5.1.30.0050.0308.40
5.1.20.0090.0318.42
5.1.10.0050.0268.15
5.1.00.0040.0278.14
5.0.50.0030.0266.62
5.0.40.0060.0216.48
5.0.30.0040.0376.29
5.0.20.0070.0216.27
5.0.10.0050.0236.24
5.0.00.0030.0366.23
4.4.90.0040.0144.78
4.4.80.0050.0144.76
4.4.70.0020.0154.76
4.4.60.0020.0164.76
4.4.50.0020.0174.77
4.4.40.0040.0244.71
4.4.30.0040.0144.76
4.4.20.0040.0144.85
4.4.10.0040.0154.85
4.4.00.0060.0244.76
4.3.110.0040.0164.67
4.3.100.0020.0164.67
4.3.90.0020.0164.63
4.3.80.0040.0244.58
4.3.70.0050.0174.63
4.3.60.0020.0164.63
4.3.50.0040.0154.63
4.3.40.0020.0284.54
4.3.30.0020.0173.28
4.3.20.0040.0163.26
4.3.10.0020.0183.22
4.3.00.0070.0206.60

preferences:
138.61 ms | 1394 KiB | 7 Q