3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { public function setConfigParam( $sName, $sValue ) { if ( isset( $this->$sName ) ) { $this->$sName = $sValue; } else { $this->_aConfigParams[$sName] = $sValue; } } function __construct() { $this->a = "hello"; $this->b = "hi"; $this->val = "howdy"; $val = "a"; echo $this->{$val}; // outputs "hello" echo "\n"; $val = "b"; echo $this->{$val}; // outputs "hi" echo "\n"; echo $this->val; //outputs "howdy" echo "\n"; echo $this->{"val"}; $this->setConfigParam('aVariableName', array('one', 'two', 'three')); echo $this->aVariableName; } } $foo = new foo();

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)
8.3.60.0140.00016.61
8.3.50.0070.00921.99
8.3.40.0070.01019.00
8.3.30.0100.00319.07
8.3.20.0040.00420.25
8.3.10.0040.00423.52
8.3.00.0100.00019.51
8.2.180.0100.01018.29
8.2.170.0070.00722.96
8.2.160.0120.00620.39
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00022.21
8.2.110.0060.00322.11
8.2.100.0030.00917.91
8.2.90.0030.00619.17
8.2.80.0050.00318.05
8.2.70.0040.00417.63
8.2.60.0040.00418.16
8.2.50.0040.00718.07
8.2.40.0000.00818.16
8.2.30.0040.00418.20
8.2.20.0070.00017.82
8.2.10.0040.00418.11
8.2.00.0030.00617.81
8.1.280.0110.00725.92
8.1.270.0040.00423.99
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0040.00423.98
8.1.230.0030.01019.03
8.1.220.0080.00017.76
8.1.210.0030.00618.77
8.1.200.0060.00317.35
8.1.190.0040.00417.51
8.1.180.0030.00918.10
8.1.170.0040.00418.58
8.1.160.0020.00522.08
8.1.150.0030.00518.56
8.1.140.0040.00417.50
8.1.130.0000.00717.75
8.1.120.0040.00417.52
8.1.110.0070.00317.41
8.1.100.0100.00017.50
8.1.90.0000.00817.53
8.1.80.0050.00217.45
8.1.70.0030.00317.42
8.1.60.0060.00617.43
8.1.50.0040.00417.47
8.1.40.0000.00817.43
8.1.30.0000.00817.52
8.1.20.0000.00817.57
8.1.10.0040.00417.64
8.1.00.0030.00517.52
8.0.300.0070.00018.77
8.0.290.0080.00017.05
8.0.280.0080.00018.45
8.0.270.0030.00317.27
8.0.260.0030.00317.30
8.0.250.0040.00417.04
8.0.240.0000.00717.07
8.0.230.0000.00716.98
8.0.220.0030.00316.97
8.0.210.0000.00716.98
8.0.200.0000.00617.06
8.0.190.0030.00617.05
8.0.180.0050.00217.00
8.0.170.0080.00016.97
8.0.160.0000.00716.91
8.0.150.0030.00316.95
8.0.140.0000.00716.91
8.0.130.0000.00513.35
8.0.120.0030.00616.81
8.0.110.0090.00016.99
8.0.100.0070.00016.98
8.0.90.0030.00317.01
8.0.80.0040.01116.89
8.0.70.0050.00216.95
8.0.60.0000.00817.00
8.0.50.0070.00017.00
8.0.30.0060.01317.28
8.0.20.0120.00517.40
8.0.10.0040.00416.96
8.0.00.0140.00516.86
7.4.330.0050.00015.01
7.4.320.0030.00316.54
7.4.300.0000.00716.57
7.4.290.0050.00316.65
7.4.280.0040.00316.49
7.4.270.0050.00216.66
7.4.260.0040.00416.51
7.4.250.0030.00316.57
7.4.240.0020.00516.58
7.4.230.0000.00716.54
7.4.220.0000.01516.57
7.4.210.0110.00416.57
7.4.200.0000.00716.32
7.4.190.0000.00716.77
7.4.160.0100.00716.49
7.4.150.0150.00317.40
7.4.140.0070.01017.86
7.4.130.0070.01016.41
7.4.120.0070.01016.52
7.4.110.0030.01616.54
7.4.100.0100.01016.52
7.4.90.0000.01716.63
7.4.80.0130.01019.39
7.4.70.0130.00716.70
7.4.60.0130.01016.46
7.4.50.0050.00316.43
7.4.40.0060.00922.77
7.4.30.0200.00316.60
7.4.00.0050.01214.94
7.3.330.0000.00613.30
7.3.320.0030.00313.37
7.3.310.0040.00416.39
7.3.300.0030.00316.29
7.3.290.0150.00616.45
7.3.280.0090.00716.45
7.3.270.0030.01517.40
7.3.260.0090.00916.44
7.3.250.0110.00916.49
7.3.240.0110.00616.59
7.3.230.0120.00416.39
7.3.210.0030.01716.41
7.3.200.0070.01119.39
7.3.190.0090.00916.43
7.3.180.0080.00816.33
7.3.170.0030.01316.45
7.3.160.0190.00516.61
7.3.120.0100.00614.93
7.3.110.0100.00714.96
7.3.100.0090.00614.75
7.3.90.0120.00414.85
7.3.80.0100.01014.79
7.3.70.0040.01114.75
7.3.60.0050.00514.89
7.3.50.0030.01014.84
7.3.40.0000.01314.84
7.3.30.0070.00414.66
7.3.20.0060.00616.68
7.3.10.0060.00816.68
7.3.00.0050.00816.76
7.2.330.0110.00616.48
7.2.320.0150.00316.83
7.2.310.0030.01316.76
7.2.300.0060.01016.47
7.2.290.0000.01616.44
7.2.250.0070.01014.85
7.2.240.0160.00015.34
7.2.230.0040.00415.10
7.2.220.0030.00614.84
7.2.210.0060.01015.07
7.2.200.0090.00615.13
7.2.190.0100.00315.27
7.2.180.0100.00714.95
7.2.170.0070.01015.02
7.2.130.0070.00716.92
7.2.120.0040.01116.75
7.2.110.0000.01516.94
7.2.100.0110.00317.02
7.2.90.0070.00317.01
7.2.80.0000.01416.92
7.2.70.0070.00317.09
7.2.60.0040.01116.94
7.2.50.0100.00716.89
7.2.40.0110.00317.19
7.2.30.0110.00416.95
7.2.20.0080.00417.04
7.2.10.0080.00316.63
7.2.00.0130.00817.90
7.1.330.0070.00715.61
7.1.320.0090.00615.91
7.1.310.0070.00415.80
7.1.300.0030.00615.74
7.1.290.0040.01115.93
7.1.280.0000.00915.88
7.1.270.0060.00615.83
7.1.260.0100.00615.64
7.1.250.0090.00316.01
7.1.100.0000.01118.31
7.1.70.0040.00417.22
7.1.60.0030.02019.46
7.1.50.0070.00316.97
7.1.00.0000.07722.45
7.0.200.0120.00615.04
7.0.140.0070.07022.15
7.0.60.0030.07719.87
7.0.50.0000.05017.96
7.0.40.0070.09020.13
7.0.30.0570.06320.06
7.0.20.0300.07320.17
7.0.10.0100.04720.06
7.0.00.0130.05320.19
5.6.280.0070.07021.03
5.6.210.0170.07020.51
5.6.200.0030.04318.16
5.6.190.0100.05020.61
5.6.180.0200.04320.77
5.6.170.0200.08320.55
5.6.160.0100.07320.50
5.6.150.0070.08318.29
5.6.140.0200.06718.29
5.6.130.0070.04018.17
5.6.120.0100.06321.04
5.6.110.0130.07321.10
5.6.100.0030.05021.04
5.6.90.0100.08020.98
5.6.80.0070.07320.37
5.5.350.0000.08720.41
5.5.340.0070.04718.09
5.5.330.0070.08720.43
5.5.320.0270.05020.38
5.5.310.0170.05720.23
5.5.300.0070.03317.92
5.5.290.0130.07717.96
5.5.280.0100.07020.86
5.5.270.0100.08020.76
5.5.260.0000.04720.87
5.5.250.0100.05720.68
5.5.240.0300.04320.30
5.4.450.0530.03719.56
5.4.440.0400.03319.58
5.4.430.0600.04319.49
5.4.420.0830.03719.19
5.4.410.0630.04019.35
5.4.400.0930.03319.13
5.4.390.0670.04019.15
5.4.380.0430.06018.79
5.4.370.0270.06318.75
5.4.360.0430.05018.84
5.4.350.0300.05318.86
5.4.340.0230.06018.79
5.4.320.0040.04212.50
5.4.310.0060.04212.50
5.4.300.0090.04012.50
5.4.290.0120.05412.48
5.4.280.0150.04912.38
5.4.270.0090.05512.38
5.4.260.0120.05212.38
5.4.250.0090.07712.38
5.4.240.0070.06912.39
5.4.230.0150.04812.38
5.4.220.0130.05012.38
5.4.210.0130.05112.38
5.4.200.0070.06112.37
5.4.190.0160.05012.37
5.4.180.0130.08012.37
5.4.170.0090.04012.39
5.4.160.0080.04312.38
5.4.150.0060.05312.38
5.4.140.0090.03912.06
5.4.130.0110.03512.05
5.4.120.0070.05312.00
5.4.110.0110.03512.00
5.4.100.0120.03412.00
5.4.90.0090.04312.00
5.4.80.0210.06912.00
5.4.70.0070.05411.99
5.4.60.0090.04912.00
5.4.50.0160.08812.00
5.4.40.0060.03511.98
5.4.30.0050.04011.98
5.4.20.0050.03711.98
5.4.10.0120.03311.98
5.4.00.0060.04311.47
5.3.290.0070.03712.80
5.3.280.0070.05612.70
5.3.270.0060.04512.72
5.3.260.0070.04012.72
5.3.250.0070.03812.71
5.3.240.0070.04012.72
5.3.230.0100.04512.70
5.3.220.0080.04812.68
5.3.210.0100.04012.68
5.3.200.0080.05112.68
5.3.190.0130.04912.68
5.3.180.0080.04112.68
5.3.170.0150.04712.67
5.3.160.0070.05812.67
5.3.150.0060.05612.68
5.3.140.0140.05112.66
5.3.130.0110.04112.66
5.3.120.0080.04012.66
5.3.110.0060.04712.66
5.3.100.0070.05112.12
5.3.90.0050.04412.11
5.3.80.0120.03712.10
5.3.70.0060.03912.10
5.3.60.0090.03512.08
5.3.50.0100.03512.04
5.3.40.0060.04012.03
5.3.30.0080.03611.98
5.3.20.0080.03311.77
5.3.10.0070.03411.74
5.3.00.0060.03811.73
5.2.170.0070.0299.23
5.2.160.0050.0319.23
5.2.150.0050.0369.23
5.2.140.0100.0389.23
5.2.130.0110.0379.19
5.2.120.0060.0309.18
5.2.110.0110.0269.19
5.2.100.0070.0379.18
5.2.90.0060.0339.18
5.2.80.0070.0429.18
5.2.70.0060.0449.18
5.2.60.0100.0439.13
5.2.50.0050.0339.11
5.2.40.0090.0299.07
5.2.30.0060.0429.05
5.2.20.0090.0369.04
5.2.10.0090.0368.95
5.2.00.0090.0298.81
5.1.60.0030.0268.09
5.1.50.0050.0248.09
5.1.40.0040.0258.07
5.1.30.0060.0268.42
5.1.20.0050.0278.45
5.1.10.0040.0268.16
5.1.00.0040.0268.17
5.0.50.0030.0216.64
5.0.40.0020.0266.51
5.0.30.0020.0326.32
5.0.20.0020.0206.29
5.0.10.0030.0206.27
5.0.00.0050.0356.26
4.4.90.0020.0164.78
4.4.80.0030.0164.76
4.4.70.0020.0164.75
4.4.60.0030.0164.75
4.4.50.0020.0164.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0020.0174.84
4.4.10.0030.0174.85
4.4.00.0050.0244.76
4.3.110.0020.0184.67
4.3.100.0060.0154.66
4.3.90.0020.0184.63
4.3.80.0030.0264.59
4.3.70.0040.0244.63
4.3.60.0030.0174.63
4.3.50.0030.0264.63
4.3.40.0040.0344.54
4.3.30.0020.0233.30
4.3.20.0030.0213.28
4.3.10.0020.0183.23
4.3.00.0170.01713.47

preferences:
37.43 ms | 401 KiB | 5 Q