3v4l.org

run code in 300+ PHP versions simultaneously
<?php class KeyValuePairs { private $pairs; public function __construct( $arr = []) { $this->pairs = []; foreach( $arr as $k => $v) { $this->pairs[$k] = $v; } } public function __get($name) { return (isset($this->pairs[$name])) ? $this->pairs[$name] : null; } public function __set($name, $value) { $this->pairs[$name] = $value; } } class MyClass { public $foo; public $bar; public function __construct() { $this->bar = new KeyValuePairs( ['tool' => 'Here we go']); } public function __get($name) { return (isset($this->$name)) ? $this->$name : null; } } $class1 = new MyClass; var_dump($class1->foo); // null var_dump($class1->boo); // null var_dump($class1->bar->tool); // 'Here we go' var_dump($class1->bar->mars);

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)
8.3.70.0110.00316.58
8.3.60.0140.00716.50
8.3.50.0100.00722.11
8.3.40.0100.00718.97
8.3.30.0070.00719.04
8.3.20.0030.00620.14
8.3.10.0040.00421.72
8.3.00.0060.00318.02
8.2.180.0110.00417.00
8.2.170.0040.01122.96
8.2.160.0030.01020.50
8.2.150.0070.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00421.09
8.2.110.0000.00920.52
8.2.100.0120.00017.97
8.2.90.0000.00818.22
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0040.00717.92
8.2.50.0030.00618.07
8.2.40.0030.00620.00
8.2.30.0040.00418.27
8.2.20.0050.00317.79
8.2.10.0080.00018.09
8.2.00.0040.00417.62
8.1.280.0130.00625.92
8.1.270.0090.00323.99
8.1.260.0000.00726.35
8.1.250.0050.00328.09
8.1.240.0030.00622.06
8.1.230.0080.00320.82
8.1.220.0090.00017.74
8.1.210.0040.00818.97
8.1.200.0100.00017.35
8.1.190.0000.00817.35
8.1.180.0030.00618.10
8.1.170.0000.00818.47
8.1.160.0040.00422.01
8.1.150.0000.00718.87
8.1.140.0040.00417.30
8.1.130.0050.00217.83
8.1.120.0070.00017.36
8.1.110.0000.00717.36
8.1.100.0030.00517.45
8.1.90.0030.00317.52
8.1.80.0040.00417.46
8.1.70.0000.00817.41
8.1.60.0000.00817.64
8.1.50.0000.00817.49
8.1.40.0030.00517.48
8.1.30.0000.00917.66
8.1.20.0080.00017.59
8.1.10.0050.00317.56
8.1.00.0030.00617.51
8.0.300.0040.00420.21
8.0.290.0000.00716.58
8.0.280.0070.00018.41
8.0.270.0040.00417.20
8.0.260.0030.00317.26
8.0.250.0070.00016.95
8.0.240.0000.00817.00
8.0.230.0030.00316.95
8.0.220.0030.00316.90
8.0.210.0000.00616.89
8.0.200.0060.00316.82
8.0.190.0040.00416.88
8.0.180.0050.00216.95
8.0.170.0000.00816.85
8.0.160.0040.00416.92
8.0.150.0020.00516.90
8.0.140.0030.00516.89
8.0.130.0000.00613.32
8.0.120.0070.00416.91
8.0.110.0040.00416.76
8.0.100.0040.00416.77
8.0.90.0050.00216.76
8.0.80.0030.01216.95
8.0.70.0030.00516.78
8.0.60.0040.00416.79
8.0.50.0040.00416.92
8.0.30.0110.00917.03
8.0.20.0140.00717.42
8.0.10.0000.00717.07
8.0.00.0100.00716.99
7.4.330.0000.00515.03
7.4.320.0060.00016.52
7.4.300.0040.00416.52
7.4.290.0000.00716.61
7.4.280.0000.00816.51
7.4.270.0000.00816.61
7.4.260.0030.00316.46
7.4.250.0030.00616.33
7.4.240.0020.00516.52
7.4.230.0070.00016.54
7.4.220.0070.01016.54
7.4.210.0130.00616.38
7.4.200.0040.00416.59
7.4.160.0000.01516.59
7.4.150.0160.00617.40
7.4.140.0110.00617.86
7.4.130.0120.01016.54
7.4.120.0090.00916.57
7.4.110.0060.01016.39
7.4.100.0080.00816.48
7.4.90.0090.01116.49
7.4.80.0130.00619.39
7.4.70.0120.00616.54
7.4.60.0100.00716.50
7.4.50.0000.00816.34
7.4.40.0110.00616.49
7.4.30.0060.01116.40
7.4.00.0110.00514.90
7.3.330.0020.00213.23
7.3.320.0030.00313.14
7.3.310.0070.00016.39
7.3.300.0000.00716.25
7.3.290.0040.01516.37
7.3.280.0090.01116.37
7.3.270.0190.00417.40
7.3.260.0110.00716.53
7.3.250.0100.00716.48
7.3.240.0070.01016.68
7.3.230.0140.00316.61
7.3.210.0000.01816.51
7.3.200.0100.00619.39
7.3.190.0030.01316.55
7.3.180.0080.00816.35
7.3.170.0150.00716.27
7.3.160.0060.00916.59
7.3.120.0080.01014.97
7.3.110.0070.01114.68
7.3.100.0070.00714.79
7.3.90.0070.00514.91
7.3.80.0100.00614.68
7.3.70.0090.00714.90
7.3.60.0020.00914.72
7.3.50.0030.01114.77
7.3.40.0120.00214.84
7.3.30.0030.00814.84
7.3.20.0070.00716.81
7.3.10.0050.00816.79
7.3.00.0100.00416.62
7.2.330.0120.01216.52
7.2.320.0100.00616.61
7.2.310.0090.00816.61
7.2.300.0070.01016.88
7.2.290.0080.00816.76
7.2.250.0050.01315.20
7.2.240.0030.01715.11
7.2.230.0040.01114.97
7.2.220.0030.01014.84
7.2.210.0120.00414.96
7.2.200.0040.00715.01
7.2.190.0050.00914.98
7.2.180.0070.00914.94
7.2.170.0070.00815.20
7.2.160.0060.00615.29
7.2.150.0000.01016.75
7.2.140.0140.00316.74
7.2.130.0040.00816.71
7.2.120.0040.01117.11
7.2.110.0030.01016.68
7.2.100.0030.01016.69
7.2.90.0100.00617.05
7.2.80.0000.01317.03
7.2.70.0090.00616.86
7.2.60.0110.00017.10
7.2.50.0100.00616.95
7.2.40.0080.00416.86
7.2.30.0090.00616.92
7.2.20.0110.00416.79
7.2.10.0040.00816.91
7.2.00.0050.00818.04
7.1.330.0080.00715.69
7.1.320.0020.01115.77
7.1.310.0080.00615.84
7.1.300.0020.01315.73
7.1.290.0080.00615.89
7.1.280.0080.00715.82
7.1.270.0050.00715.98
7.1.260.0060.00815.79
7.1.250.0040.00816.00
7.1.200.0040.00815.79
7.1.100.0030.00918.01
7.1.70.0000.00817.21
7.1.60.0120.01219.70
7.1.50.0070.01516.70
7.1.00.0030.07722.43
7.0.200.0030.00616.85
7.0.140.0070.06721.99
7.0.60.0030.05321.77
7.0.50.0070.04317.84
7.0.40.0200.08020.02
7.0.30.0300.07320.07
7.0.20.0330.07720.16
7.0.10.0030.05020.23
7.0.00.0000.04320.15
5.6.280.0030.07321.13
5.6.210.0070.07720.68
5.6.200.0070.07718.20
5.6.190.0170.06720.63
5.6.180.0370.05320.49
5.6.170.0270.08020.70
5.6.160.0130.08020.55
5.6.150.0100.04318.25
5.6.140.0100.04318.21
5.6.130.0100.05318.29
5.6.120.0070.04021.16
5.6.110.0070.08721.01
5.6.100.0030.04320.96
5.6.90.0100.04020.88
5.6.80.0070.07720.54
5.5.350.0270.07720.39
5.5.340.0130.07317.93
5.5.330.0000.09320.13
5.5.320.0100.07020.34
5.5.310.0200.03720.30
5.5.300.0070.03717.94
5.5.290.0030.09318.03
5.5.280.0100.08320.90
5.5.270.0100.07720.97
5.5.260.0100.08020.80
5.5.250.0030.08720.61
5.5.240.0000.08020.05
5.4.450.3530.04019.40
5.4.440.3870.04019.28
5.4.430.4000.03019.41
5.4.420.3830.04019.45
5.4.410.4530.04019.24
5.4.400.0070.03319.07
5.4.390.2100.04019.27
5.4.380.2600.04319.26
5.4.370.3630.04018.95
5.4.360.3100.04019.20
5.4.350.3370.04319.26
5.4.340.3370.03719.28
5.4.320.0000.04019.23
5.4.310.0100.07319.21
5.4.300.3870.03319.17
5.4.290.3930.03719.25
5.4.280.3930.03719.23
5.4.270.3600.04718.97
5.4.260.3230.03319.14
5.4.250.4130.04018.94
5.4.240.3800.03719.25
5.4.230.3770.03719.25
5.4.220.3570.03318.94
5.4.210.3700.04019.21
5.4.200.4500.03718.96
5.4.190.3700.03718.96
5.4.180.3530.04319.25
5.4.170.3630.04019.16
5.4.160.3630.03719.13
5.4.150.4500.03719.13
5.4.140.4430.03716.41
5.4.130.3830.03316.54
5.4.120.3830.03716.45
5.4.110.3830.03316.53
5.4.100.3600.04016.53
5.4.90.3930.03016.53
5.4.80.3570.03016.52
5.4.70.3730.03716.55
5.4.60.3670.03316.51
5.4.50.4230.03316.43
5.4.40.4670.03316.53
5.4.30.4370.04016.32
5.4.20.3800.04016.20
5.4.10.4570.03716.23
5.4.00.4130.04015.85
5.3.290.0000.04014.71
5.3.280.3600.03714.59
5.3.270.4070.04014.77
5.3.260.3770.04014.64
5.3.250.4270.03314.63
5.3.240.4500.04314.60
5.3.230.3570.03714.50
5.3.220.3600.03014.72
5.3.210.4170.04014.61
5.3.200.3700.03014.61
5.3.190.3800.04014.60
5.3.180.2400.04014.57
5.3.170.3570.03314.62
5.3.160.3600.04014.48
5.3.150.3730.03314.57
5.3.140.4600.03314.48
5.3.130.4300.03714.60
5.3.120.5570.04314.57
5.3.110.3300.04014.62
5.3.100.4430.04013.96
5.3.90.4030.03713.91
5.3.80.3830.04313.94
5.3.70.3900.03014.06
5.3.60.3570.03314.04
5.3.50.3870.03314.12
5.3.40.3930.03313.95
5.3.30.3900.04014.05
5.3.20.4330.02713.76
5.3.10.4300.03713.60
5.3.00.3600.03313.59
5.2.170.3230.03711.30
5.2.160.3530.03311.11
5.2.150.3300.03011.11
5.2.140.3730.03011.03
5.2.130.3800.03011.18
5.2.120.3830.02711.13
5.2.110.3100.03011.11
5.2.100.3030.03011.15
5.2.90.2970.02711.05
5.2.80.3030.02711.04
5.2.70.3370.02711.25
5.2.60.3570.03311.01
5.2.50.3230.03311.02
5.2.40.2700.03310.99
5.2.30.2770.03010.92
5.2.20.2470.02310.97
5.2.10.2500.02710.92
5.2.00.2500.03010.60
5.1.60.2870.02710.02
5.1.50.2730.02710.04
5.1.40.2570.02010.06
5.1.30.2800.02710.29
5.1.20.2600.02710.42
5.1.10.3200.0239.98
5.1.00.3130.02710.09
5.0.50.1670.0208.53
5.0.40.1500.0238.40
5.0.30.0970.0308.24
5.0.20.1000.0178.25
5.0.10.1270.0178.32
5.0.00.1230.0278.22
4.4.90.1100.0175.80
4.4.80.1370.0135.76
4.4.70.1170.0205.85
4.4.60.1170.0175.79
4.4.50.1230.0175.77
4.4.40.0930.0305.80
4.4.30.1470.0175.84
4.4.20.1570.0205.95
4.4.10.1800.0135.89
4.4.00.1800.0275.82
4.3.110.1200.0135.78
4.3.100.1000.0135.85
4.3.90.1030.0135.79
4.3.80.1200.0235.79
4.3.70.1200.0135.78
4.3.60.1070.0175.76
4.3.50.1030.0175.78
4.3.40.1170.0235.76
4.3.30.0470.0175.76
4.3.20.0600.0175.76
4.3.10.0600.0135.76
4.3.00.0700.0135.76

preferences:
51.15 ms | 401 KiB | 5 Q