3v4l.org

run code in 300+ PHP versions simultaneously
<?php $vars=array( '^hello', 123, false, 1.23, ); foreach($vars as $var) { echo $var, ' => ', (($var[0]=='^') ? substr($var,1) : 'false'), <br />; }

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)
5.4.290.0070.04712.50
5.4.280.0100.04412.39
5.4.270.0110.04112.39
5.4.260.0070.04912.39
5.4.250.0070.04912.39
5.4.240.0120.04312.39
5.4.230.0090.04512.38
5.4.220.0090.04712.39
5.4.210.0090.04312.38
5.4.200.0070.04712.38
5.4.190.0090.04312.38
5.4.180.0070.04612.38
5.4.170.0070.04612.39
5.4.160.0060.04512.39
5.4.150.0080.04512.38
5.4.140.0080.04912.07
5.4.130.0070.04312.05
5.4.120.0100.04912.02
5.4.110.0110.05212.01
5.4.100.0070.04712.02
5.4.90.0100.04312.01
5.4.80.0100.03712.02
5.4.70.0070.03512.01
5.4.60.0040.03812.01
5.4.50.0060.03712.01
5.4.40.0080.03412.00
5.4.30.0080.03511.99
5.4.20.0070.03511.99
5.4.10.0070.03412.00
5.4.00.0060.04211.49
5.3.280.0070.03912.71
5.3.270.0070.03912.72
5.3.260.0080.03912.72
5.3.250.0080.03512.72
5.3.240.0070.03712.72
5.3.230.0080.03612.71
5.3.220.0070.03612.68
5.3.210.0070.03912.68
5.3.200.0070.04112.68
5.3.190.0080.03612.68
5.3.180.0110.03412.67
5.3.170.0070.03612.67
5.3.160.0080.03712.67
5.3.150.0080.04012.67
5.3.140.0080.03612.66
5.3.130.0070.03912.65
5.3.120.0070.03912.66
5.3.110.0060.04212.66
5.3.100.0070.03612.12
5.3.90.0090.03612.08
5.3.80.0060.03912.07
5.3.70.0080.03512.07
5.3.60.0060.03612.06
5.3.50.0050.03712.00
5.3.40.0040.03912.00
5.3.30.0070.03511.95
5.3.20.0090.04011.73
5.3.10.0110.03611.70
5.3.00.0080.04211.69
5.2.170.0050.0369.19
5.2.160.0070.0359.19
5.2.150.0070.0399.19
5.2.140.0070.0359.18
5.2.130.0050.0319.14
5.2.120.0050.0309.14
5.2.110.0090.0269.15
5.2.100.0040.0299.14
5.2.90.0040.0309.14
5.2.80.0070.0349.14
5.2.70.0060.0319.14
5.2.60.0050.0319.09
5.2.50.0050.0309.06
5.2.40.0060.0309.04
5.2.30.0050.0329.02
5.2.20.0050.0299.00
5.2.10.0060.0278.93
5.2.00.0050.0318.79
5.1.60.0060.0238.07
5.1.50.0040.0298.07
5.1.40.0060.0248.05
5.1.30.0060.0268.40
5.1.20.0070.0258.42
5.1.10.0040.0258.15
5.1.00.0050.0258.14
5.0.50.0040.0216.63
5.0.40.0080.0156.48
5.0.30.0070.0296.30
5.0.20.0040.0216.29
5.0.10.0050.0246.27
5.0.00.0040.0346.26
4.4.90.0060.0134.78
4.4.80.0040.0144.76
4.4.70.0020.0164.76
4.4.60.0030.0164.76
4.4.50.0020.0174.77
4.4.40.0030.0254.71
4.4.30.0030.0164.76
4.4.20.0040.0134.84
4.4.10.0030.0164.85
4.4.00.0040.0234.76
4.3.110.0030.0164.67
4.3.100.0040.0134.66
4.3.90.0020.0164.63
4.3.80.0040.0244.59
4.3.70.0030.0144.63
4.3.60.0040.0134.63
4.3.50.0020.0184.63
4.3.40.0030.0254.54
4.3.30.0020.0163.31
4.3.20.0030.0153.29
4.3.10.0020.0153.25
4.3.00.0170.0276.94

preferences:
142.31 ms | 1394 KiB | 7 Q