3v4l.org

run code in 300+ PHP versions simultaneously
<?php for ($i = 0; $i <= 255; $i++) var_dump(chr($i) xor chr(128);

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)
5.4.340.0080.03112.01
5.4.320.0080.04112.50
5.4.310.0040.03812.49
5.4.300.0060.04212.50
5.4.290.0010.04112.50
5.4.280.0080.03312.39
5.4.270.0080.03612.39
5.4.260.0080.03812.39
5.4.250.0050.03812.39
5.4.240.0060.03912.39
5.4.230.0110.04212.38
5.4.220.0060.04412.38
5.4.210.0080.03612.38
5.4.200.0070.03812.38
5.4.190.0070.04312.38
5.4.180.0100.03412.38
5.4.170.0140.03512.38
5.4.160.0090.03512.38
5.4.150.0090.03212.38
5.4.140.0080.03512.07
5.4.130.0040.03612.05
5.4.120.0070.03312.02
5.4.110.0070.03512.01
5.4.100.0050.04612.01
5.4.90.0100.03112.02
5.4.80.0060.03612.01
5.4.70.0070.03412.00
5.4.60.0030.03612.01
5.4.50.0070.03212.01
5.4.40.0040.04111.99
5.4.30.0090.04111.99
5.4.20.0100.03411.99
5.4.10.0100.03611.99
5.4.00.0040.03611.48
5.3.290.0050.03912.80
5.3.280.0060.03612.71
5.3.270.0090.04012.73
5.3.260.0040.04012.72
5.3.250.0060.03612.72
5.3.240.0060.04312.72
5.3.230.0040.03812.71
5.3.220.0070.03412.68
5.3.210.0050.03812.68
5.3.200.0080.03312.68
5.3.190.0060.03812.68
5.3.180.0040.03912.68
5.3.170.0060.03412.66
5.3.160.0050.04312.68
5.3.150.0070.03612.67
5.3.140.0070.04112.66
5.3.130.0090.03412.66
5.3.120.0090.03912.66
5.3.110.0050.04212.65
5.3.100.0070.03712.12
5.3.90.0060.03512.08
5.3.80.0090.03212.08
5.3.70.0090.03412.07
5.3.60.0050.03712.06
5.3.50.0060.03812.00
5.3.40.0070.03412.00
5.3.30.0060.03411.95
5.3.20.0060.03511.72
5.3.10.0090.03611.70
5.3.00.0100.03811.68
5.2.170.0080.0279.18
5.2.160.0040.0299.18
5.2.150.0060.0329.19
5.2.140.0060.0349.18
5.2.130.0060.0289.14
5.2.120.0060.0279.14
5.2.110.0040.0309.15
5.2.100.0060.0289.14
5.2.90.0040.0299.14
5.2.80.0060.0329.14
5.2.70.0040.0309.13
5.2.60.0040.0299.09
5.2.50.0060.0339.06
5.2.40.0060.0299.04
5.2.30.0020.0389.01
5.2.20.0080.0249.00
5.2.10.0070.0278.93
5.2.00.0050.0278.78
5.1.60.0040.0238.07
5.1.50.0030.0318.07
5.1.40.0090.0258.05
5.1.30.0020.0278.39
5.1.20.0020.0278.41
5.1.10.0040.0258.14
5.1.00.0030.0318.15
5.0.50.0030.0206.62
5.0.40.0030.0216.48
5.0.30.0020.0326.30
5.0.20.0020.0216.27
5.0.10.0010.0226.24
5.0.00.0030.0316.23
4.4.90.0020.0164.78
4.4.80.0020.0154.76
4.4.70.0040.0144.75
4.4.60.0010.0174.76
4.4.50.0030.0154.77
4.4.40.0040.0254.71
4.4.30.0040.0144.75
4.4.20.0020.0164.84
4.4.10.0030.0164.85
4.4.00.0030.0244.76
4.3.110.0010.0174.67
4.3.100.0050.0184.67
4.3.90.0000.0164.64
4.3.80.0030.0234.58
4.3.70.0010.0164.63
4.3.60.0040.0144.63
4.3.50.0000.0184.63
4.3.40.0030.0234.54
4.3.30.0020.0163.29
4.3.20.0010.0173.26
4.3.10.0020.0223.21
4.3.00.0230.0237.42

preferences:
140.41 ms | 1394 KiB | 7 Q