3v4l.org

run code in 300+ PHP versions simultaneously
<?php $refVariable = false; $refName = 'refVariable'; $callback = function() use (&$refVariable) { static $foo &= $refVariable; var_dump($refVariable); var_dump($foo); }; $function = new \ReflectionFunction($callback); $staticVariables = $function->getStaticVariables(); $callback(); $staticVariables['foo'] = 8; $callback();

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)
5.4.340.0050.03512.03
5.4.320.0070.03612.52
5.4.310.0050.04512.51
5.4.300.0110.04112.52
5.4.290.0150.05712.51
5.4.280.0100.03912.41
5.4.270.0030.05012.41
5.4.260.0080.05212.41
5.4.250.0090.05412.41
5.4.240.0070.04012.41
5.4.230.0100.03712.40
5.4.220.0090.03612.40
5.4.210.0050.03812.40
5.4.200.0100.04612.40
5.4.190.0100.04812.40
5.4.180.0070.05512.40
5.4.170.0070.04812.40
5.4.160.0060.04512.40
5.4.150.0080.04212.39
5.4.140.0130.05812.09
5.4.130.0070.04812.07
5.4.120.0100.04712.04
5.4.110.0110.04212.03
5.4.100.0130.04412.03
5.4.90.0080.04612.04
5.4.80.0100.04212.03
5.4.70.0090.05512.02
5.4.60.0110.07912.02
5.4.50.0070.04712.03
5.4.40.0100.05312.02
5.4.30.0090.06212.01
5.4.20.0080.04712.01
5.4.10.0050.03912.01
5.4.00.0060.03511.51
5.3.290.0070.03812.80
5.3.280.0090.03512.70
5.3.270.0090.04412.72
5.3.260.0070.04712.72
5.3.250.0060.05012.71
5.3.240.0070.04112.72
5.3.230.0080.03612.70
5.3.220.0070.03712.68
5.3.210.0060.04212.68
5.3.200.0050.03712.68
5.3.190.0040.03912.68
5.3.180.0080.03612.68
5.3.170.0080.03612.67
5.3.160.0070.03512.68
5.3.150.0090.04112.68
5.3.140.0060.04012.66
5.3.130.0060.04012.66
5.3.120.0080.03912.66
5.3.110.0050.04112.66
5.3.100.0070.04112.13
5.3.90.0070.03812.10
5.3.80.0050.03712.10
5.3.70.0060.03712.10
5.3.60.0060.03812.08
5.3.50.0040.04212.02
5.3.40.0050.03712.02
5.3.30.0070.03411.98
5.3.20.0060.04211.77
5.3.10.0060.04511.73
5.3.00.0050.05011.72
5.2.170.0070.0399.18
5.2.160.0040.0309.18
5.2.150.0070.0289.18
5.2.140.0050.0319.18
5.2.130.0060.0289.14
5.2.120.0050.0279.14
5.2.110.0020.0329.15
5.2.100.0050.0279.14
5.2.90.0020.0329.14
5.2.80.0060.0299.14
5.2.70.0050.0309.14
5.2.60.0040.0319.09
5.2.50.0060.0299.06
5.2.40.0060.0339.04
5.2.30.0040.0309.02
5.2.20.0060.0289.00
5.2.10.0050.0298.92
5.2.00.0060.0328.78
5.1.60.0040.0298.07
5.1.50.0130.0658.06
5.1.40.0040.0258.05
5.1.30.0030.0288.40
5.1.20.0040.0288.42
5.1.10.0060.0288.14
5.1.00.0040.0358.14
5.0.50.0050.0226.63
5.0.40.0060.0226.48
5.0.30.0060.0396.29
5.0.20.0050.0186.27
5.0.10.0050.0256.24
5.0.00.0030.0356.23
4.4.90.0060.0124.77
4.4.80.0020.0184.75
4.4.70.0020.0174.75
4.4.60.0040.0144.76
4.4.50.0050.0134.77
4.4.40.0030.0294.71
4.4.30.0040.0214.76
4.4.20.0030.0244.84
4.4.10.0070.0294.85
4.4.00.0090.0434.76
4.3.110.0010.0184.67
4.3.100.0030.0204.66
4.3.90.0020.0184.63
4.3.80.0040.0274.58
4.3.70.0020.0154.63
4.3.60.0020.0214.63
4.3.50.0010.0234.63
4.3.40.0040.0264.54
4.3.30.0040.0203.28
4.3.20.0040.0203.26
4.3.10.0020.0213.22
4.3.00.0000.0237.01

preferences:
138.94 ms | 1394 KiB | 7 Q