3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = (1 << 0); $b = (1 << $a); $c = (1 << $b); echo ($c || $b) << 2 * $a | $a

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)
5.4.320.0050.03712.47
5.4.310.0110.03812.47
5.4.300.0100.03612.46
5.4.290.0070.04012.46
5.4.280.0050.04412.36
5.4.270.0100.03712.36
5.4.260.0080.03612.36
5.4.250.0100.03612.36
5.4.240.0040.05012.36
5.4.230.0050.03912.36
5.4.220.0080.03912.36
5.4.210.0040.04012.36
5.4.200.0040.03812.35
5.4.190.0040.03912.35
5.4.180.0080.03912.35
5.4.170.0040.03712.36
5.4.160.0070.04012.35
5.4.150.0090.04012.35
5.4.140.0060.03912.04
5.4.130.0040.03612.02
5.4.120.0050.03511.99
5.4.110.0060.03511.98
5.4.100.0050.03511.98
5.4.90.0080.04211.98
5.4.80.0080.03411.98
5.4.70.0070.03511.98
5.4.60.0090.03011.98
5.4.50.0080.03611.98
5.4.40.0060.04111.96
5.4.30.0110.03511.96
5.4.20.0070.03511.96
5.4.10.0080.03111.96
5.4.00.0100.03211.46
5.3.290.0070.04112.80
5.3.280.0070.03512.71
5.3.270.0070.03912.72
5.3.260.0110.03512.72
5.3.250.0010.04012.72
5.3.240.0060.04212.72
5.3.230.0060.03612.71
5.3.220.0090.03912.68
5.3.210.0090.03912.68
5.3.200.0040.04012.68
5.3.190.0080.03712.68
5.3.180.0070.03412.67
5.3.170.0070.04012.67
5.3.160.0090.03312.68
5.3.150.0070.03712.68
5.3.140.0030.03912.66
5.3.130.0040.04412.66
5.3.120.0060.04012.66
5.3.110.0050.03912.66
5.3.100.0030.03812.11
5.3.90.0040.03712.08
5.3.80.0060.03312.07
5.3.70.0090.03512.07
5.3.60.0060.03612.06
5.3.50.0010.04012.00
5.3.40.0040.03712.00
5.3.30.0040.03711.95
5.3.20.0070.03311.73
5.3.10.0070.03911.70
5.3.00.0070.04011.69
5.2.170.0060.0339.18
5.2.160.0050.0279.18
5.2.150.0080.0349.19
5.2.140.0050.0299.18
5.2.130.0070.0259.14
5.2.120.0050.0269.14
5.2.110.0060.0269.15
5.2.100.0050.0269.14
5.2.90.0050.0329.14
5.2.80.0030.0309.14
5.2.70.0060.0289.14
5.2.60.0040.0309.09
5.2.50.0050.0299.06
5.2.40.0080.0309.04
5.2.30.0040.0329.01
5.2.20.0070.0269.01
5.2.10.0090.0228.93
5.2.00.0090.0268.78
5.1.60.0040.0258.07
5.1.50.0060.0268.07
5.1.40.0010.0278.05
5.1.30.0050.0328.40
5.1.20.0030.0278.42
5.1.10.0030.0268.15
5.1.00.0050.0248.15
5.0.50.0030.0206.63
5.0.40.0010.0216.48
5.0.30.0050.0286.30
5.0.20.0020.0226.27
5.0.10.0020.0206.24
5.0.00.0050.0286.23
4.4.90.0020.0154.78
4.4.80.0020.0154.75
4.4.70.0020.0184.76
4.4.60.0030.0154.76
4.4.50.0020.0214.77
4.4.40.0030.0284.71
4.4.30.0020.0204.76
4.4.20.0030.0204.84
4.4.10.0040.0164.85
4.4.00.0030.0244.75
4.3.110.0050.0204.67
4.3.100.0010.0164.67
4.3.90.0030.0194.63
4.3.80.0030.0244.58
4.3.70.0020.0154.63
4.3.60.0020.0194.63
4.3.50.0020.0204.63
4.3.40.0040.0274.54
4.3.30.0010.0173.29
4.3.20.0000.0193.27
4.3.10.0020.0223.22
4.3.00.0030.01315.98

preferences:
146.27 ms | 1394 KiB | 7 Q