3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cool = "test"; $herbert = "cool"; echo $($herbert);

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)
5.4.340.0040.03612.01
5.4.320.0070.03512.50
5.4.310.0060.03812.50
5.4.300.0060.03612.50
5.4.290.0080.03512.49
5.4.280.0070.03712.39
5.4.270.0120.03012.39
5.4.260.0030.04012.39
5.4.250.0060.03712.39
5.4.240.0040.03912.39
5.4.230.0090.03612.38
5.4.220.0070.03512.38
5.4.210.0110.02912.38
5.4.200.0110.03212.38
5.4.190.0060.03612.38
5.4.180.0070.03512.38
5.4.170.0060.03912.39
5.4.160.0060.03812.38
5.4.150.0040.03712.38
5.4.140.0060.03712.07
5.4.130.0080.04012.05
5.4.120.0080.03212.01
5.4.110.0060.03612.01
5.4.100.0070.03512.01
5.4.90.0060.03812.01
5.4.80.0070.03612.01
5.4.70.0070.03312.01
5.4.60.0040.03612.00
5.4.50.0060.03412.01
5.4.40.0050.03511.99
5.4.30.0060.03411.99
5.4.20.0050.03511.99
5.4.10.0030.03712.00
5.4.00.0080.03311.48
5.3.290.0050.04412.80
5.3.280.0050.03812.71
5.3.270.0050.03912.72
5.3.260.0060.04012.72
5.3.250.0050.03712.72
5.3.240.0080.05112.72
5.3.230.0080.03712.71
5.3.220.0080.03512.68
5.3.210.0050.04012.68
5.3.200.0100.03212.68
5.3.190.0050.03812.68
5.3.180.0040.03912.67
5.3.170.0060.03612.67
5.3.160.0050.03712.67
5.3.150.0050.03812.68
5.3.140.0080.03412.66
5.3.130.0060.03812.66
5.3.120.0050.04012.66
5.3.110.0040.04012.66
5.3.100.0060.03912.12
5.3.90.0060.03712.08
5.3.80.0050.03612.08
5.3.70.0060.03612.07
5.3.60.0070.03612.06
5.3.50.0060.03612.00
5.3.40.0050.03812.00
5.3.30.0090.03111.95
5.3.20.0060.03511.73
5.3.10.0050.03611.70
5.3.00.0040.03811.68
5.2.170.0060.0299.18
5.2.160.0050.0289.18
5.2.150.0050.0299.18
5.2.140.0060.0319.18
5.2.130.0070.0319.14
5.2.120.0030.0319.14
5.2.110.0030.0309.14
5.2.100.0040.0289.14
5.2.90.0040.0299.14
5.2.80.0040.0309.14
5.2.70.0040.0309.14
5.2.60.0040.0329.09
5.2.50.0030.0329.06
5.2.40.0040.0299.04
5.2.30.0030.0319.01
5.2.20.0040.0309.00
5.2.10.0050.0278.93
5.2.00.0060.0288.78
5.1.60.0040.0238.06
5.1.50.0050.0238.06
5.1.40.0050.0238.05
5.1.30.0050.0248.40
5.1.20.0030.0278.42
5.1.10.0040.0268.14
5.1.00.0040.0308.14
5.0.50.0060.0216.62
5.0.40.0030.0196.48
5.0.30.0050.0296.29
5.0.20.0030.0196.26
5.0.10.0040.0196.24
5.0.00.0010.0346.23
4.4.90.0020.0184.77
4.4.80.0020.0154.76
4.4.70.0010.0174.76
4.4.60.0020.0164.75
4.4.50.0020.0164.77
4.4.40.0020.0264.70
4.4.30.0040.0174.76
4.4.20.0010.0184.84
4.4.10.0010.0184.85
4.4.00.0000.0284.76
4.3.110.0030.0154.67
4.3.100.0040.0144.66
4.3.90.0000.0204.63
4.3.80.0040.0244.59
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0040.0234.54
4.3.30.0040.0153.29
4.3.20.0000.0183.27
4.3.10.0010.0173.21
4.3.00.0000.0237.30

preferences:
145.6 ms | 1394 KiB | 7 Q