3v4l.org

run code in 300+ PHP versions simultaneously
<?php class User { public $Username; public $Password; public $Inbox; private function __construct($Username, $Password) { $this->$Username = $Username; $this->$Password = $Password; $this->$Inbox = new Inbox($Username); } public static function Login($Username, $Password) { return new User($Username, $Password); } } class Inbox { public $Messages; public function __construct($Username) { $Messages = array(); $Messages[] = "Message 1"; $Messages[] = "Message 2"; } } $theUser = User::Login("Poopy", "Butt"); echo $theUser->Username; echo $theUser->Password; echo $theUser->$Username; echo $theUser->$Password; print_r($theUser->Messages); ?>

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)
8.3.70.0120.00318.43
8.3.60.0100.01016.88
8.3.50.0130.00822.12
8.3.40.0140.00318.92
8.3.30.0070.00719.04
8.3.20.0040.00420.15
8.3.10.0040.00423.66
8.3.00.0080.00017.63
8.2.190.0150.00618.41
8.2.180.0110.00416.63
8.2.170.0080.00819.04
8.2.160.0070.01422.96
8.2.150.0000.00824.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0060.00321.07
8.2.110.0030.00619.31
8.2.100.0090.00317.54
8.2.90.0070.00019.20
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0030.00617.93
8.2.50.0030.00718.07
8.2.40.0040.00418.09
8.2.30.0000.00818.09
8.2.20.0000.00817.79
8.2.10.0050.00217.98
8.2.00.0000.00718.05
8.1.280.0140.00725.92
8.1.270.0100.00720.38
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0090.00021.36
8.1.230.0030.00917.48
8.1.220.0000.00817.77
8.1.210.0000.00818.77
8.1.200.0000.00817.35
8.1.190.0000.00917.23
8.1.180.0000.00818.10
8.1.170.0040.00420.18
8.1.160.0040.00422.03
8.1.150.0000.00718.94
8.1.140.0040.00417.51
8.1.130.0070.00017.86
8.1.120.0000.00717.55
8.1.110.0030.00517.46
8.1.100.0040.00417.46
8.1.90.0070.00017.40
8.1.80.0000.00817.38
8.1.70.0000.00717.50
8.1.60.0000.00817.52
8.1.50.0000.00817.52
8.1.40.0000.00817.52
8.1.30.0000.00817.66
8.1.20.0040.00417.65
8.1.10.0040.00417.59
8.1.00.0000.00717.61
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0030.00318.46
8.0.270.0070.00017.20
8.0.260.0060.00017.28
8.0.250.0000.00716.93
8.0.240.0040.00416.90
8.0.230.0070.00016.95
8.0.220.0030.00316.95
8.0.210.0000.00916.93
8.0.200.0040.00417.03
8.0.190.0040.00416.96
8.0.180.0050.00216.90
8.0.170.0050.00316.90
8.0.160.0080.00016.98
8.0.150.0040.00416.80
8.0.140.0050.00516.89
8.0.130.0000.00513.42
8.0.120.0000.00816.94
8.0.110.0000.00717.02
8.0.100.0050.00316.96
8.0.90.0000.00717.00
8.0.80.0030.01616.95
8.0.70.0060.00316.97
8.0.60.0030.00516.82
8.0.50.0020.00516.83
8.0.30.0100.01217.04
8.0.20.0120.00717.40
8.0.10.0050.00216.95
8.0.00.0090.00816.81
7.4.330.0030.00315.03
7.4.320.0030.00316.55
7.4.300.0000.00616.63
7.4.290.0030.00516.54
7.4.280.0000.00716.51
7.4.270.0000.00716.64
7.4.260.0090.00016.56
7.4.250.0070.00016.61
7.4.240.0030.00316.53
7.4.230.0030.00316.70
7.4.220.0000.01916.48
7.4.210.0100.00716.52
7.4.200.0000.00716.64
7.4.160.0060.00916.34
7.4.150.0110.00717.40
7.4.140.0090.01417.86
7.4.130.0090.01116.48
7.4.120.0100.00816.58
7.4.110.0120.00616.52
7.4.100.0100.00916.70
7.4.90.0150.00316.54
7.4.80.0030.01419.39
7.4.70.0060.01016.69
7.4.60.0100.00716.54
7.4.50.0020.00216.45
7.4.40.0060.01016.65
7.4.30.0120.00916.61
7.4.00.0080.00815.07
7.3.330.0000.00513.34
7.3.320.0110.00313.36
7.3.310.0070.00016.39
7.3.300.0000.00716.38
7.3.290.0030.00416.36
7.3.280.0060.01116.45
7.3.270.0060.01017.40
7.3.260.0070.01116.44
7.3.250.0090.01116.55
7.3.240.0040.01216.40
7.3.230.0140.00416.69
7.3.210.0060.01416.43
7.3.200.0160.00619.39
7.3.190.0100.01016.65
7.3.180.0030.01316.50
7.3.170.0130.00916.55
7.3.160.0130.00316.39
7.3.120.0120.00614.84
7.3.110.0070.01114.90
7.3.100.0080.00814.83
7.3.90.0060.00914.62
7.3.80.0030.00914.95
7.3.70.0070.00714.57
7.3.60.0150.00014.99
7.3.50.0030.00914.59
7.3.40.0150.00014.90
7.3.30.0090.00014.82
7.3.20.0110.00416.52
7.3.10.0080.00516.63
7.3.00.0070.00516.66
7.2.330.0140.00316.73
7.2.320.0070.01716.82
7.2.310.0060.01316.84
7.2.300.0120.00616.80
7.2.290.0070.01816.70
7.2.250.0030.01714.99
7.2.240.0030.01714.77
7.2.230.0070.00715.13
7.2.220.0080.00415.29
7.2.210.0040.01415.28
7.2.200.0090.00615.11
7.2.190.0080.00414.78
7.2.180.0080.00415.02
7.2.170.0030.00914.95
7.2.130.0080.00617.16
7.2.120.0000.01016.95
7.2.110.0070.00716.97
7.2.100.0000.01316.78
7.2.90.0030.00916.98
7.2.80.0050.01016.83
7.2.70.0120.00017.03
7.2.60.0030.00716.89
7.2.50.0090.00017.10
7.2.40.0030.00917.03
7.2.30.0060.00617.06
7.2.20.0060.00316.72
7.2.10.0040.00716.73
7.2.00.0040.00716.58
7.1.330.0070.01016.00
7.1.320.0060.00915.97
7.1.310.0040.01115.78
7.1.300.0030.01315.49
7.1.290.0000.01515.89
7.1.280.0040.01115.66
7.1.270.0030.01015.48
7.1.260.0060.00315.76
7.1.250.0040.00815.67
7.1.200.0110.00015.91
7.1.70.0000.00817.18
7.1.60.0070.01819.50
7.1.50.0230.01334.98
7.1.00.0030.07022.45
7.0.200.0030.00316.73
7.0.60.0070.08020.01
7.0.50.0000.08717.86
7.0.40.0030.07020.13
7.0.30.0130.06320.30
7.0.20.0300.08020.30
7.0.10.0100.06720.12
7.0.00.0070.04020.14
5.6.280.0030.07320.86
5.6.210.0170.07020.54
5.6.200.0070.08718.16
5.6.190.0030.05020.50
5.6.180.0170.04720.61
5.6.170.0330.04720.58
5.6.160.0130.07720.39
5.6.150.0070.04018.14
5.6.140.0030.04018.18
5.6.130.0000.09018.19
5.6.120.0000.05320.99
5.6.110.0200.07721.05
5.6.100.0000.04321.12
5.6.90.0100.08020.97
5.6.80.0100.03720.51
5.5.350.3330.05720.38
5.5.340.0070.07717.95
5.5.330.0100.07020.40
5.5.320.0330.06020.27
5.5.310.0330.04720.26
5.5.300.0100.08018.07
5.5.290.0000.09017.97
5.5.280.0000.06720.81
5.5.270.0030.06720.93
5.5.260.0070.03720.73
5.5.250.0100.06720.61
5.5.240.0170.04320.27
5.4.450.0070.07019.46
5.4.440.0070.05019.37
5.4.430.0630.07019.56
5.4.420.3130.04319.55
5.4.410.3070.04019.34
5.4.400.3470.03318.88
5.4.390.3470.03019.00
5.4.380.3330.03019.08
5.4.370.3470.03718.99
5.4.360.3470.03718.95
5.4.350.3170.04319.33
5.4.340.3470.04018.98
5.4.320.3270.04319.22
5.4.310.3400.04019.09
5.4.300.3430.03318.91
5.4.290.3370.04019.13
5.4.280.3770.04019.04
5.4.270.3900.04019.24
5.4.260.4100.03719.08
5.4.250.3300.03719.05
5.4.240.3200.03719.07
5.4.230.3530.03319.13
5.4.220.3230.03319.01
5.4.210.3400.04019.05
5.4.200.1600.03319.08
5.4.190.0130.06018.95
5.4.180.0070.03319.11
5.4.170.0300.04319.08
5.4.160.3330.03318.83
5.4.150.3130.03719.06
5.4.140.3130.03316.40
5.4.130.3870.04316.54
5.4.120.3300.03316.39
5.4.110.1700.03316.59
5.4.100.1870.03316.57
5.4.90.1800.03716.56
5.4.80.2770.03316.48
5.4.70.2800.03716.49
5.4.60.2970.03016.34
5.4.50.2930.03316.34
5.4.40.2930.04316.38
5.4.30.0400.03316.48
5.4.20.0170.03716.39
5.4.10.0200.03716.52
5.4.00.0200.03715.78
5.3.290.0170.04314.58
5.3.280.0230.04014.61
5.3.270.0170.04014.66
5.3.260.0230.04714.53
5.3.250.0330.03714.77
5.3.240.0130.04014.53
5.3.230.0200.03014.68
5.3.220.0200.03714.48
5.3.210.0230.03714.79
5.3.200.0170.04014.55
5.3.190.0230.04014.55
5.3.180.0200.03714.65
5.3.170.0200.03714.57
5.3.160.0270.03314.65
5.3.150.0170.03714.59
5.3.140.0170.04014.68
5.3.130.0230.04014.47
5.3.120.0070.04714.64
5.3.110.0170.04014.63
5.3.100.0270.04314.20
5.3.90.0270.02714.18
5.3.80.0270.03313.93
5.3.70.0230.03013.93
5.3.60.0170.04014.09
5.3.50.0200.04313.96
5.3.40.0100.04013.85
5.3.30.0230.03313.85
5.3.20.0270.04313.64
5.3.10.0170.04013.71
5.3.00.0400.05313.57
5.2.170.0200.03711.13
5.2.160.0300.02711.07
5.2.150.0170.06311.05
5.2.140.0330.05311.37
5.2.130.0270.05711.16
5.2.120.0200.03311.27
5.2.110.0270.05711.19
5.2.100.0300.05011.17
5.2.90.0330.05711.12
5.2.80.0370.02711.08
5.2.70.0330.05311.02
5.2.60.0370.05711.02
5.2.50.0300.04011.08
5.2.40.0230.03311.05
5.2.30.0330.04710.89
5.2.20.0200.04311.02
5.2.10.0230.03710.95
5.2.00.0300.05710.81
5.1.60.0230.03710.16
5.1.50.0330.04310.09
5.1.40.0330.0279.89
5.1.30.0300.05010.51
5.1.20.0170.03710.33
5.1.10.0230.03310.16
5.1.00.0270.04710.23
5.0.50.0100.0308.54
5.0.40.0200.0378.31
5.0.30.0130.0408.21
5.0.20.0130.0208.14
5.0.10.0170.0408.11
5.0.00.0200.0538.06
4.4.90.0130.0205.86
4.4.80.0200.0305.88
4.4.70.0070.0375.81
4.4.60.0100.0175.88
4.4.50.0070.0375.85
4.4.40.0200.0235.88
4.4.30.0030.0235.77
4.4.20.0170.0335.94
4.4.10.0170.0275.98
4.4.00.0130.0435.86
4.3.110.0070.0375.82
4.3.100.0130.0275.77
4.3.90.0170.0235.73
4.3.80.0070.0375.79
4.3.70.0130.0305.71
4.3.60.0200.0275.82
4.3.50.0130.0305.74
4.3.40.0100.0535.71
4.3.30.0070.0335.09
4.3.20.0000.0375.09
4.3.10.0100.0235.09
4.3.00.0100.0335.09

preferences:
16.62 ms | 401 KiB | 5 Q