3v4l.org

run code in 300+ PHP versions simultaneously
<?php if ( isset( false ) ) { echo "true\n"; }

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)
5.4.320.0070.04512.50
5.4.310.0060.03812.49
5.4.300.0060.04112.50
5.4.290.0080.04712.50
5.4.280.0050.03812.39
5.4.270.0090.03512.39
5.4.260.0060.04812.39
5.4.250.0070.03712.39
5.4.240.0120.04612.39
5.4.230.0080.05112.38
5.4.220.0070.03612.38
5.4.210.0060.03512.38
5.4.200.0050.03812.38
5.4.190.0090.03512.38
5.4.180.0070.03512.38
5.4.170.0080.03412.38
5.4.160.0030.04212.38
5.4.150.0080.03512.38
5.4.140.0060.04312.07
5.4.130.0100.03512.05
5.4.120.0090.03912.02
5.4.110.0090.03212.01
5.4.100.0080.03212.01
5.4.90.0020.05012.01
5.4.80.0080.03512.01
5.4.70.0060.03612.00
5.4.60.0030.03712.01
5.4.50.0090.03212.00
5.4.40.0070.03312.00
5.4.30.0040.03711.99
5.4.20.0060.03511.98
5.4.10.0070.03811.99
5.4.00.0040.03911.48
5.3.290.0060.03912.80
5.3.280.0070.04212.71
5.3.270.0130.04912.72
5.3.260.0080.04312.72
5.3.250.0090.03512.72
5.3.240.0080.04712.72
5.3.230.0060.04112.71
5.3.220.0040.04112.68
5.3.210.0010.04412.68
5.3.200.0060.03612.68
5.3.190.0060.04312.67
5.3.180.0070.03612.67
5.3.170.0090.03512.67
5.3.160.0060.03812.68
5.3.150.0040.03812.68
5.3.140.0070.03512.66
5.3.130.0070.03812.66
5.3.120.0030.04112.66
5.3.110.0030.04212.66
5.3.100.0070.03512.12
5.3.90.0070.03512.09
5.3.80.0060.03612.07
5.3.70.0050.03712.07
5.3.60.0100.03312.06
5.3.50.0060.03612.00
5.3.40.0060.03612.00
5.3.30.0080.03511.95
5.3.20.0060.03411.72
5.3.10.0040.03811.70
5.3.00.0030.03911.68
5.2.170.0040.0339.18
5.2.160.0040.0309.18
5.2.150.0070.0289.18
5.2.140.0050.0309.17
5.2.130.0080.0269.14
5.2.120.0060.0289.14
5.2.110.0040.0329.14
5.2.100.0070.0269.14
5.2.90.0050.0299.14
5.2.80.0030.0329.14
5.2.70.0060.0319.14
5.2.60.0060.0309.09
5.2.50.0040.0339.06
5.2.40.0060.0289.04
5.2.30.0060.0289.02
5.2.20.0050.0299.01
5.2.10.0070.0258.92
5.2.00.0030.0308.78
5.1.60.0060.0228.07
5.1.50.0030.0268.06
5.1.40.0040.0248.05
5.1.30.0050.0248.40
5.1.20.0070.0298.42
5.1.10.0030.0278.14
5.1.00.0060.0238.14
5.0.50.0030.0216.62
5.0.40.0060.0166.48
5.0.30.0040.0306.29
5.0.20.0050.0186.27
5.0.10.0030.0206.24
5.0.00.0030.0346.23
4.4.90.0030.0154.78
4.4.80.0030.0154.76
4.4.70.0020.0164.75
4.4.60.0040.0144.75
4.4.50.0040.0144.77
4.4.40.0020.0284.71
4.4.30.0020.0184.76
4.4.20.0030.0184.84
4.4.10.0070.0184.84
4.4.00.0020.0334.76
4.3.110.0040.0214.67
4.3.100.0050.0154.66
4.3.90.0030.0144.63
4.3.80.0030.0244.58
4.3.70.0050.0184.63
4.3.60.0060.0194.63
4.3.50.0040.0154.63
4.3.40.0030.0244.54
4.3.30.0060.0163.29
4.3.20.0040.0143.27
4.3.10.0030.0153.22
4.3.00.0200.01316.39

preferences:
140.63 ms | 1394 KiB | 7 Q