3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { private $x; 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->setX(5); echo "\n"; echo $this->getX(); } function setX($valorX){ $this->x = $valorX; } function getX(){ return $this->x; } } $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)
8.3.60.0150.00018.30
8.3.50.0120.00721.27
8.3.40.0070.00718.98
8.3.30.0030.01020.21
8.3.20.0040.00418.61
8.3.10.0030.00521.05
8.3.00.0080.00023.63
8.2.180.0140.00416.63
8.2.170.0110.00422.96
8.2.160.0150.00020.53
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0000.00719.89
8.2.110.0060.00322.13
8.2.100.0120.00017.84
8.2.90.0000.00817.75
8.2.80.0060.00318.04
8.2.70.0040.00417.93
8.2.60.0000.00917.93
8.2.50.0040.00418.10
8.2.40.0000.00822.32
8.2.30.0000.00719.42
8.2.20.0080.00017.52
8.2.10.0070.00017.64
8.2.00.0040.00717.80
8.1.280.0030.01025.92
8.1.270.0000.00923.99
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00023.98
8.1.230.0100.00319.13
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.23
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0000.00918.70
8.1.160.0040.00418.89
8.1.150.0040.00418.51
8.1.140.0000.00717.43
8.1.130.0040.00417.76
8.1.120.0100.00017.52
8.1.110.0040.00417.45
8.1.100.0040.00417.50
8.1.90.0000.00817.43
8.1.80.0040.00417.35
8.1.70.0070.00017.34
8.1.60.0060.00317.59
8.1.50.0050.00317.39
8.1.40.0050.00217.46
8.1.30.0000.00817.57
8.1.20.0090.00017.55
8.1.10.0040.00417.59
8.1.00.0000.00817.45
8.0.300.0040.00419.73
8.0.290.0070.00416.63
8.0.280.0000.00718.43
8.0.270.0080.00017.24
8.0.260.0000.00816.71
8.0.250.0040.00416.96
8.0.240.0070.00016.86
8.0.230.0050.00316.95
8.0.220.0030.00316.89
8.0.210.0000.00816.93
8.0.200.0030.00316.92
8.0.190.0080.00316.90
8.0.180.0040.00416.87
8.0.170.0000.00816.85
8.0.160.0030.00316.76
8.0.150.0040.00316.85
8.0.140.0040.00416.87
8.0.130.0070.00013.33
8.0.120.0060.00316.92
8.0.110.0070.00016.68
8.0.100.0070.00016.73
8.0.90.0040.00416.87
8.0.80.0000.01416.88
8.0.70.0000.00716.77
8.0.60.0040.00416.88
8.0.50.0000.00716.99
8.0.30.0120.00716.92
8.0.20.0110.00817.40
8.0.10.0050.00317.04
8.0.00.0120.00616.78
7.4.330.0000.00514.98
7.4.320.0060.00016.54
7.4.300.0040.00416.48
7.4.290.0070.00016.63
7.4.280.0000.00816.40
7.4.270.0040.00416.44
7.4.260.0000.00513.29
7.4.250.0040.00416.48
7.4.240.0050.00316.59
7.4.230.0000.00716.39
7.4.220.0060.01316.54
7.4.210.0080.00616.61
7.4.200.0070.00016.39
7.4.190.0040.00416.75
7.4.160.0100.01016.26
7.4.150.0100.00717.40
7.4.140.0070.01217.86
7.4.130.0130.00516.42
7.4.120.0100.00816.57
7.4.110.0090.00816.46
7.4.100.0130.00416.38
7.4.90.0080.01216.48
7.4.80.0110.00719.39
7.4.70.0030.01816.37
7.4.60.0060.01216.67
7.4.50.0030.00516.59
7.4.40.0040.01522.77
7.4.30.0110.00616.64
7.4.00.0030.01014.93
7.3.330.0000.00613.38
7.3.320.0000.00513.38
7.3.310.0020.00516.21
7.3.300.0050.00216.29
7.3.290.0070.00716.37
7.3.280.0090.00716.34
7.3.270.0140.00317.40
7.3.260.0110.00818.24
7.3.250.0100.00716.43
7.3.240.0100.00716.42
7.3.230.0100.00716.45
7.3.210.0090.01216.40
7.3.200.0130.00619.39
7.3.190.0070.01116.71
7.3.180.0090.00916.37
7.3.170.0070.01416.72
7.3.160.0060.00916.42
7.3.120.0030.01014.93
7.3.10.0000.01116.70
7.3.00.0070.01016.62
7.2.330.0180.00016.71
7.2.320.0100.01316.93
7.2.310.0140.00416.78
7.2.300.0090.00616.85
7.2.290.0040.01216.61
7.2.130.0030.00616.83
7.2.120.0030.00917.14
7.2.110.0070.00416.98
7.2.100.0070.00416.63
7.2.90.0030.00716.77
7.2.80.0090.00016.95
7.2.70.0070.00716.95
7.2.60.0040.01117.09
7.2.50.0070.00716.91
7.2.40.0060.00617.03
7.2.30.0030.00616.98
7.2.20.0090.00616.84
7.2.10.0070.00316.64
7.2.00.0050.00818.13
7.1.250.0040.01115.78
7.1.100.0070.00718.09
7.1.70.0040.00417.28
7.1.60.0170.00719.17
7.1.50.0030.02116.97
7.1.00.0000.06722.57
7.0.200.0030.00516.88
7.0.140.0000.08021.93
7.0.100.0130.04319.96
7.0.90.0070.09019.82
7.0.80.0170.07720.05
7.0.70.0000.08719.93
7.0.60.0100.07319.89
7.0.50.0130.07720.32
7.0.40.0070.08720.00
7.0.30.0130.07020.14
7.0.20.0070.07320.11
7.0.10.0030.09020.00
7.0.00.0100.08320.14
5.6.280.0030.07320.89
5.6.250.0070.08320.64
5.6.240.0030.05320.58
5.6.230.0030.09020.51
5.6.220.0130.07020.59
5.6.210.0170.07320.68
5.6.200.0000.08721.18
5.6.190.0030.09720.96
5.6.180.0070.08021.06
5.6.170.0070.08721.08
5.6.160.0100.07720.96
5.6.150.0130.08321.10
5.6.140.0030.05021.03
5.6.130.0100.05721.09
5.6.120.0070.04021.08
5.6.110.0030.04321.09
5.6.100.0030.04321.16
5.6.90.0030.04321.04
5.6.80.0170.02720.50
5.6.70.0000.04320.55
5.6.60.0070.03720.36
5.6.50.0000.06020.36
5.6.40.0030.06720.46
5.6.30.0070.04020.39
5.6.20.0070.04020.30
5.6.10.0000.04320.41
5.6.00.0070.04320.44
5.5.380.0100.08020.55
5.5.370.0100.07020.36
5.5.360.0030.05720.37
5.5.350.0030.06720.46
5.5.340.0130.07320.75
5.5.330.0070.08320.92
5.5.320.0000.09020.81
5.5.310.0070.08320.93
5.5.300.0070.05320.90
5.5.290.0100.07020.93
5.5.280.0130.03720.94
5.5.270.0070.04020.80
5.5.260.0070.06320.73
5.5.250.0000.04320.69
5.5.240.0030.08020.32
5.5.230.0070.04320.28
5.5.220.0030.04020.31
5.5.210.0070.07020.31
5.5.200.0030.04320.27
5.5.190.0030.05320.28
5.5.180.0030.04320.28
5.5.160.0030.04020.22
5.5.150.0100.03320.27
5.5.140.0100.03320.27
5.5.130.0030.04020.23
5.5.120.0170.03020.19
5.5.110.0100.06320.04
5.5.100.0030.04320.09
5.5.90.0030.04020.02
5.5.80.0070.03720.11
5.5.70.0000.04320.15
5.5.60.0030.04320.13
5.5.50.0030.03320.16
5.5.40.0000.07020.06
5.5.30.0030.07019.95
5.5.20.0070.04720.08
5.5.10.0000.05719.94
5.5.00.0070.03720.03
5.4.450.0030.04319.23
5.4.440.0070.05019.49
5.4.430.0070.03719.52
5.4.420.0030.04319.45
5.4.410.0030.04019.32
5.4.400.0030.05318.95
5.4.390.0070.07319.12
5.4.380.0030.04318.90
5.4.370.0030.06719.18
5.4.360.0030.04019.13
5.4.350.0030.04019.03
5.4.340.0170.06019.13
5.4.320.0030.04019.21
5.4.310.0030.04019.05
5.4.300.0070.03718.84
5.4.290.0030.06719.04
5.4.280.0070.04019.15
5.4.270.0000.04319.08
5.4.260.0070.05018.87
5.4.250.0000.04019.08
5.4.240.0000.04319.13
5.4.230.0000.04319.13
5.4.220.0100.03019.13
5.4.210.0030.06018.90
5.4.200.0030.04719.02
5.4.190.0070.04319.11
5.4.180.0000.04019.05
5.4.170.0100.03018.86
5.4.160.0200.03018.92
5.4.150.0030.07318.82
5.4.140.0100.06316.36
5.4.130.0070.08016.28
5.4.120.0100.05716.36
5.4.110.0170.06316.27
5.4.100.0130.06316.43
5.4.90.0070.06716.27
5.4.80.0030.08016.32
5.4.70.0100.07316.46
5.4.60.0170.06716.39
5.4.50.0070.07016.46
5.4.40.0170.06716.53
5.4.30.0100.06716.45
5.4.20.0130.06016.42
5.4.10.0100.07016.39
5.4.00.0100.07015.71
5.3.290.0070.03315.70
5.3.280.0000.04315.70
5.3.270.0030.04015.70
5.3.260.0170.04315.70
5.3.250.0030.03715.70
5.3.240.0070.04015.70
5.3.230.0200.07015.70
5.3.220.0030.08015.70
5.3.210.0100.07715.70
5.3.200.0130.06315.70
5.3.190.0030.06715.70
5.3.180.0030.08015.70
5.3.170.0170.07015.70
5.3.160.0270.06015.70
5.3.150.0100.07715.70
5.3.140.0100.07015.70
5.3.130.0070.07715.70
5.3.120.0070.07715.70
5.3.110.0030.08015.70
5.3.100.0030.06715.70
5.3.90.0070.07015.70
5.3.80.0070.07015.70
5.3.70.0070.07315.70
5.3.60.0070.07715.70
5.3.50.0000.06015.70
5.3.40.0070.07315.70
5.3.30.0070.06715.70
5.3.20.0130.06715.70
5.3.10.0100.07015.70
5.3.00.0100.04715.70
5.2.170.0030.05315.70
5.2.160.0030.06315.70
5.2.150.0070.06015.70
5.2.140.0000.06715.70
5.2.130.0000.05715.70
5.2.120.0100.04015.70
5.2.110.0130.05015.70
5.2.100.0030.06315.70
5.2.90.0030.06015.70
5.2.80.0100.06315.70
5.2.70.0100.06015.70
5.2.60.0100.05015.70
5.2.50.0030.06315.70
5.2.40.0100.06015.70
5.2.30.0100.05715.70
5.2.20.0030.06715.70
5.2.10.0070.05015.70
5.2.00.0030.06315.70
5.1.60.0000.06015.70
5.1.50.0070.05015.70
5.1.40.0000.04715.70
5.1.30.0030.06015.70
5.1.20.0030.05715.70
5.1.10.0070.05015.70
5.1.00.0100.04715.70
5.0.50.0070.04315.70
5.0.40.0000.03315.70
5.0.30.0030.06015.70
5.0.20.0000.04715.70
5.0.10.0030.04315.70
5.0.00.0070.06015.70
4.4.90.0030.03715.70
4.4.80.0100.03015.70
4.4.70.0070.02315.70
4.4.60.0070.01315.70
4.4.50.0000.04015.70
4.4.40.0000.05315.70
4.4.30.0000.03315.70
4.4.20.0000.03715.70
4.4.10.0100.03315.70
4.4.00.0030.03715.70
4.3.110.0000.03715.70
4.3.100.0030.03715.70
4.3.90.0000.03715.70
4.3.80.0000.05015.70
4.3.70.0070.03015.70
4.3.60.0000.02715.70
4.3.50.0000.03315.70
4.3.40.0070.03015.70
4.3.30.0000.03715.70
4.3.20.0030.03315.70
4.3.10.0070.03315.70
4.3.00.0000.03315.70

preferences:
58.22 ms | 401 KiB | 5 Q