3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Demo { public static $foo = 42; protected static $boo = 43; public static function getProtected($name) { return self::$$name; } } $var1 = 'foo'; $var2 = 'boo'; $class = 'Demo'; $func = 'getProtected'; var_dump(Demo::$$var1); var_dump($class::$foo); var_dump($class::$$var1); //var_dump(Demo::$$var2); // Fatal error: Cannot access protected property Demo::$boo var_dump(Demo::getProtected($var2)); var_dump($class::getProtected($var2)); var_dump($class::$func($var2));

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)
8.3.60.0030.01418.43
8.3.50.0120.00521.90
8.3.40.0090.00618.71
8.3.30.0140.00018.96
8.3.20.0040.00420.25
8.3.10.0050.00323.65
8.3.00.0040.00419.16
8.2.180.0080.01116.88
8.2.170.0140.00322.96
8.2.160.0090.00620.38
8.2.150.0000.00924.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0050.00320.84
8.2.110.0040.00719.34
8.2.100.0080.00318.09
8.2.90.0040.00417.63
8.2.80.0080.00017.97
8.2.70.0080.00017.80
8.2.60.0040.00418.22
8.2.50.0000.00918.10
8.2.40.0040.00419.24
8.2.30.0040.00419.15
8.2.20.0000.00817.63
8.2.10.0040.00418.13
8.2.00.0030.00517.76
8.1.280.0130.00325.92
8.1.270.0060.00322.17
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00420.96
8.1.230.0090.00317.64
8.1.220.0040.00417.79
8.1.210.0000.00818.77
8.1.200.0060.00317.35
8.1.190.0000.00917.10
8.1.180.0020.00518.10
8.1.170.0040.00418.51
8.1.160.0040.00418.89
8.1.150.0000.00718.56
8.1.140.0080.00017.45
8.1.130.0080.00017.85
8.1.120.0000.00717.41
8.1.110.0040.00417.40
8.1.100.0000.00817.41
8.1.90.0050.00317.29
8.1.80.0000.00717.43
8.1.70.0030.00317.37
8.1.60.0080.00017.50
8.1.50.0040.00417.43
8.1.40.0040.00417.43
8.1.30.0040.00417.57
8.1.20.0040.00417.66
8.1.10.0040.00417.61
8.1.00.0040.00417.58
8.0.300.0060.00318.77
8.0.290.0070.00016.63
8.0.280.0000.00818.46
8.0.270.0000.00717.21
8.0.260.0000.00617.17
8.0.250.0000.00716.91
8.0.240.0000.00816.97
8.0.230.0070.00016.84
8.0.220.0040.00416.79
8.0.210.0030.00516.84
8.0.200.0040.00416.91
8.0.190.0000.00816.82
8.0.180.0000.00816.83
8.0.170.0040.00416.91
8.0.160.0000.00716.74
8.0.150.0070.00016.83
8.0.140.0000.00816.87
8.0.130.0030.00313.27
8.0.120.0030.00516.87
8.0.110.0040.00416.84
8.0.100.0030.00516.63
8.0.90.0040.00416.82
8.0.80.0060.00916.84
8.0.70.0040.00416.82
8.0.60.0040.00416.90
8.0.50.0080.00016.96
8.0.30.0090.00916.99
8.0.20.0100.01017.40
8.0.10.0000.00716.78
8.0.00.0080.01216.75
7.4.330.0030.00315.00
7.4.320.0000.00816.48
7.4.300.0080.00016.51
7.4.290.0030.00316.47
7.4.280.0110.00016.57
7.4.270.0000.00816.54
7.4.260.0030.00616.59
7.4.250.0000.00816.59
7.4.240.0030.00316.59
7.4.230.0030.00316.60
7.4.220.0070.01616.66
7.4.210.0100.00516.58
7.4.200.0040.00416.54
7.4.190.0040.00316.55
7.4.160.0060.00916.52
7.4.150.0110.00717.40
7.4.140.0100.01117.86
7.4.130.0090.01016.43
7.4.120.0050.01216.63
7.4.110.0030.01516.59
7.4.100.0090.00916.51
7.4.90.0060.00916.41
7.4.80.0060.01219.39
7.4.70.0100.00716.53
7.4.60.0100.01016.44
7.4.50.0040.00416.42
7.4.40.0100.00616.55
7.4.30.0120.00616.59
7.4.00.0070.00714.91
7.3.330.0030.00313.32
7.3.320.0000.00713.33
7.3.310.0070.00016.43
7.3.300.0030.00316.39
7.3.290.0100.00316.37
7.3.280.0100.00816.37
7.3.270.0110.01117.40
7.3.260.0110.00616.39
7.3.250.0130.00416.54
7.3.240.0070.01016.63
7.3.230.0070.01116.57
7.3.210.0090.00916.43
7.3.200.0150.00316.68
7.3.190.0090.00916.33
7.3.180.0100.00616.55
7.3.170.0030.01416.39
7.3.160.0100.00616.61
7.3.120.0000.00814.99
7.2.330.0120.00616.52
7.2.320.0070.01016.54
7.2.310.0140.00616.60
7.2.300.0060.00916.64
7.2.290.0030.01516.46
7.2.00.0000.01618.83
7.1.100.0280.00618.17
7.1.70.0030.01316.89
7.1.60.0120.01219.46
7.1.50.0060.01317.00
7.1.00.0070.07322.31
7.0.200.0060.00616.79
7.0.140.0070.07022.18
7.0.60.0170.06019.84
7.0.50.0030.07717.87
7.0.40.0100.04019.96
7.0.30.0370.07720.23
7.0.20.0400.07720.10
7.0.10.0070.04720.26
7.0.00.0100.08020.30
5.6.280.0170.06021.13
5.6.210.0100.08020.57
5.6.200.0030.05318.18
5.6.190.0070.05020.39
5.6.180.0130.08320.33
5.6.170.0200.05020.40
5.6.160.0100.08320.54
5.6.150.0070.08018.15
5.6.140.0100.08018.10
5.6.130.0130.07718.15
5.6.120.0100.04721.02
5.6.110.0030.08321.12
5.6.100.0070.08721.02
5.6.90.0070.09021.02
5.6.80.0130.06020.50
5.5.350.4200.04020.52
5.5.340.0070.03718.07
5.5.330.0030.08320.25
5.5.320.0370.06720.35
5.5.310.0230.05020.34
5.5.300.0000.05317.98
5.5.290.0130.07718.02
5.5.280.0070.08720.88
5.5.270.0100.08320.80
5.5.260.0130.08320.77
5.5.250.0030.04020.69
5.5.240.0030.08320.16
5.4.450.1330.03319.50
5.4.440.0330.04319.49
5.4.430.0500.04019.55
5.4.420.0330.04351.48
5.4.410.0230.04346.75
5.4.400.0330.03742.89
5.4.390.0270.04341.21
5.4.380.0270.06318.78
5.4.370.0370.04318.80
5.4.360.0430.06718.49
5.4.350.0230.05718.60
5.4.340.0130.05018.63
5.4.320.0130.04412.50
5.4.310.0100.03712.50
5.4.300.0070.06012.50
5.4.290.0120.07912.50
5.4.280.0130.08812.39
5.4.270.0130.07012.39
5.4.260.0090.05512.39
5.4.250.0070.04112.39
5.4.240.0070.04412.39
5.4.230.0140.06312.39
5.4.220.0030.04312.39
5.4.210.0070.04612.39
5.4.200.0070.04512.39
5.4.190.0150.04912.38
5.4.180.0090.04912.38
5.4.170.0050.05712.39
5.4.160.0110.04512.39
5.4.150.0120.04512.39
5.4.140.0090.04812.07
5.4.130.0130.04112.06
5.4.120.0110.04612.02
5.4.110.0080.05012.01
5.4.100.0080.04812.01
5.4.90.0140.06712.02
5.4.80.0090.07012.01
5.4.70.0070.04812.01
5.4.60.0180.06412.01
5.4.50.0110.08112.01
5.4.40.0140.04812.00
5.4.30.0080.05311.99
5.4.20.0070.05612.00
5.4.10.0070.05311.99
5.4.00.0120.05211.48
5.3.290.0080.05312.80
5.3.280.0130.05312.71
5.3.270.0060.06212.72
5.3.260.0170.04912.72
5.3.250.0090.05412.72
5.3.240.0090.05812.72
5.3.230.0110.05512.71
5.3.220.0130.05612.68
5.3.210.0090.05912.68
5.3.200.0120.05212.68
5.3.190.0120.05612.68
5.3.180.0100.05712.67
5.3.170.0120.05812.67
5.3.160.0160.05112.67
5.3.150.0090.06012.67
5.3.140.0150.05112.66
5.3.130.0100.05712.66
5.3.120.0150.05512.66
5.3.110.0120.05512.66
5.3.100.0080.05612.12
5.3.90.0100.05812.09
5.3.80.0130.05012.09
5.3.70.0080.05312.09
5.3.60.0160.04612.07
5.3.50.0180.04612.02
5.3.40.0080.05312.02
5.3.30.0100.04811.98
5.3.20.0060.04911.77
5.3.10.0110.04611.73
5.3.00.0100.05011.71
5.2.170.0070.0449.22
5.2.160.0040.0449.22
5.2.150.0090.0409.22
5.2.140.0070.0459.22
5.2.130.0100.0379.18
5.2.120.0080.0399.18
5.2.110.0060.0399.18
5.2.100.0050.0399.18
5.2.90.0070.0439.18
5.2.80.0050.0439.18
5.2.70.0040.0449.17
5.2.60.0060.0419.13
5.2.50.0070.0429.10
5.2.40.0030.0419.08
5.2.30.0050.0419.05
5.2.20.0050.0389.04
5.2.10.0100.0368.94
5.2.00.0050.0448.80
5.1.60.0080.0338.10
5.1.50.0070.0348.09
5.1.40.0050.0378.07
5.1.30.0080.0358.41
5.1.20.0070.0358.44
5.1.10.0050.0368.17
5.1.00.0040.0398.16
5.0.50.0050.0276.64
5.0.40.0090.0236.50
5.0.30.0070.0416.32
5.0.20.0100.0226.28
5.0.10.0090.0246.26
5.0.00.0050.0396.25
4.4.90.0040.0234.78
4.4.80.0050.0214.75
4.4.70.0000.0264.75
4.4.60.0060.0224.76
4.4.50.0030.0254.77
4.4.40.0050.0324.71
4.4.30.0040.0204.76
4.4.20.0020.0224.84
4.4.10.0060.0194.85
4.4.00.0030.0334.76
4.3.110.0040.0224.67
4.3.100.0040.0214.66
4.3.90.0030.0214.64
4.3.80.0040.0314.59
4.3.70.0010.0224.63
4.3.60.0030.0214.63
4.3.50.0030.0234.63
4.3.40.0050.0314.54
4.3.30.0030.0213.30
4.3.20.0040.0203.28
4.3.10.0020.0213.24
4.3.00.0270.00739.98

preferences:
46.2 ms | 401 KiB | 5 Q