3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = 5; $i = −−$i; echo $i;

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)
5.4.350.0070.04312.01
5.4.340.0140.03212.01
5.4.320.0080.04112.50
5.4.310.0140.05012.49
5.4.300.0080.04412.50
5.4.290.0070.03812.49
5.4.280.0080.03512.39
5.4.270.0100.04312.39
5.4.260.0090.04112.39
5.4.250.0120.04812.39
5.4.240.0080.05012.39
5.4.230.0120.04212.38
5.4.220.0080.04412.38
5.4.210.0080.03912.38
5.4.200.0050.05212.38
5.4.190.0150.05412.38
5.4.180.0060.04112.38
5.4.170.0080.03512.39
5.4.160.0050.04012.38
5.4.150.0030.04112.38
5.4.140.0090.05012.07
5.4.130.0040.04312.05
5.4.120.0090.03212.01
5.4.110.0070.04212.01
5.4.100.0050.04312.01
5.4.90.0110.04212.01
5.4.80.0070.04612.01
5.4.70.0070.03612.00
5.4.60.0060.03712.00
5.4.50.0040.03812.01
5.4.40.0090.04211.99
5.4.30.0040.04611.99
5.4.20.0080.03811.99
5.4.10.0090.04611.99
5.4.00.0110.04611.48
5.3.290.0090.03712.80
5.3.280.0090.04212.71
5.3.270.0090.05212.72
5.3.260.0120.03912.71
5.3.250.0080.04512.72
5.3.240.0100.03912.72
5.3.230.0070.04012.71
5.3.220.0080.04212.68
5.3.210.0080.03912.68
5.3.200.0120.07812.68
5.3.190.0060.04612.68
5.3.180.0050.04112.67
5.3.170.0080.03512.67
5.3.160.0090.03512.68
5.3.150.0060.04612.67
5.3.140.0030.04212.66
5.3.130.0070.05412.66
5.3.120.0060.04012.66
5.3.110.0070.03912.66
5.3.100.0040.04112.12
5.3.90.0090.04412.08
5.3.80.0040.03912.07
5.3.70.0050.04012.07
5.3.60.0090.03612.07
5.3.50.0080.03812.00
5.3.40.0110.04612.00
5.3.30.0060.03611.95
5.3.20.0060.03611.72
5.3.10.0040.05111.70
5.3.00.0100.06111.68
5.2.170.0030.0379.18
5.2.160.0070.0429.18
5.2.150.0100.0399.18
5.2.140.0050.0439.18
5.2.130.0080.0369.14
5.2.120.0090.0289.14
5.2.110.0060.0349.14
5.2.100.0080.0359.14
5.2.90.0060.0349.14
5.2.80.0080.0289.14
5.2.70.0070.0389.13
5.2.60.0070.0469.09
5.2.50.0040.0349.06
5.2.40.0070.0389.04
5.2.30.0060.0329.01
5.2.20.0040.0389.00
5.2.10.0050.0348.92
5.2.00.0050.0308.78
5.1.60.0020.0298.07
5.1.50.0050.0248.06
5.1.40.0050.0258.05
5.1.30.0070.0278.39
5.1.20.0020.0328.42
5.1.10.0070.0238.14
5.1.00.0040.0338.14
5.0.50.0060.0216.62
5.0.40.0050.0206.48
5.0.30.0040.0326.29
5.0.20.0040.0206.26
5.0.10.0070.0176.24
5.0.00.0040.0336.23
4.4.90.0040.0224.78
4.4.80.0030.0164.75
4.4.70.0030.0164.75
4.4.60.0060.0154.76
4.4.50.0050.0154.77
4.4.40.0040.0264.71
4.4.30.0050.0154.76
4.4.20.0030.0164.85
4.4.10.0020.0174.85
4.4.00.0030.0254.76
4.3.110.0010.0184.67
4.3.100.0020.0164.66
4.3.90.0010.0184.63
4.3.80.0040.0254.58
4.3.70.0060.0194.63
4.3.60.0040.0164.63
4.3.50.0020.0204.63
4.3.40.0060.0314.54
4.3.30.0030.0153.28
4.3.20.0030.0173.26
4.3.10.0020.0163.22
4.3.00.0070.0176.79

preferences:
143.4 ms | 1394 KiB | 7 Q