3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'A'; echo "{$}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)
5.4.310.0080.03812.49
5.4.300.0050.03812.50
5.4.290.0070.03712.50
5.4.280.0030.03812.39
5.4.270.0050.03712.39
5.4.260.0060.03712.39
5.4.250.0080.03412.39
5.4.240.0030.03712.39
5.4.230.0070.04412.38
5.4.220.0070.03512.38
5.4.210.0040.03712.38
5.4.200.0080.03612.38
5.4.190.0060.03612.38
5.4.180.0030.03912.38
5.4.170.0070.03512.38
5.4.160.0050.03612.38
5.4.150.0060.03512.38
5.4.140.0060.03712.07
5.4.130.0030.03812.05
5.4.120.0070.03412.01
5.4.110.0070.04212.01
5.4.100.0050.03712.01
5.4.90.0080.03812.01
5.4.80.0070.04612.01
5.4.70.0050.04512.00
5.4.60.0050.04212.01
5.4.50.0060.03412.01
5.4.40.0080.03311.99
5.4.30.0040.04311.99
5.4.20.0020.04211.99
5.4.10.0070.03411.99
5.4.00.0060.03711.48
5.3.280.0060.03712.71
5.3.270.0090.04612.72
5.3.260.0100.03812.72
5.3.250.0040.04312.72
5.3.240.0080.04112.71
5.3.230.0030.04412.71
5.3.220.0060.04212.68
5.3.210.0070.03812.68
5.3.200.0100.03412.68
5.3.190.0050.03912.67
5.3.180.0060.03612.68
5.3.170.0090.04612.67
5.3.160.0070.04112.67
5.3.150.0070.03912.67
5.3.140.0040.03912.66
5.3.130.0050.04312.66
5.3.120.0060.03912.66
5.3.110.0070.03712.66
5.3.100.0100.04012.12
5.3.90.0080.04012.08
5.3.80.0060.03612.07
5.3.70.0070.03512.07
5.3.60.0080.03412.07
5.3.50.0090.03312.00
5.3.40.0080.03512.00
5.3.30.0040.03711.95
5.3.20.0080.03411.73
5.3.10.0070.03311.70
5.3.00.0070.03611.68
5.2.170.0060.0319.18
5.2.160.0050.0339.18
5.2.150.0010.0339.18
5.2.140.0040.0329.18
5.2.130.0080.0339.14
5.2.120.0060.0309.14
5.2.110.0050.0339.14
5.2.100.0030.0309.14
5.2.90.0040.0369.15
5.2.80.0070.0309.14
5.2.70.0050.0339.13
5.2.60.0060.0289.09
5.2.50.0080.0319.06
5.2.40.0060.0289.04
5.2.30.0070.0299.01
5.2.20.0060.0299.00
5.2.10.0060.0308.93
5.2.00.0060.0318.78
5.1.60.0040.0298.06
5.1.50.0050.0248.06
5.1.40.0040.0268.05
5.1.30.0050.0268.39
5.1.20.0030.0348.42
5.1.10.0020.0278.14
5.1.00.0040.0258.14
5.0.50.0040.0216.62
5.0.40.0060.0186.48
5.0.30.0050.0306.29
5.0.20.0020.0216.27
5.0.10.0020.0256.24
5.0.00.0040.0346.23
4.4.90.0020.0184.78
4.4.80.0010.0204.76
4.4.70.0030.0184.75
4.4.60.0030.0154.75
4.4.50.0050.0194.77
4.4.40.0040.0254.71
4.4.30.0070.0144.76
4.4.20.0040.0244.85
4.4.10.0030.0224.85
4.4.00.0040.0264.76
4.3.110.0080.0204.67
4.3.100.0050.0134.67
4.3.90.0050.0144.64
4.3.80.0070.0234.59
4.3.70.0030.0164.63
4.3.60.0050.0134.63
4.3.50.0040.0184.63
4.3.40.0040.0254.54
4.3.30.0040.0153.29
4.3.20.0030.0153.27
4.3.10.0030.0143.22
4.3.00.0000.01315.27

preferences:
140.04 ms | 1394 KiB | 7 Q