3v4l.org

run code in 300+ PHP versions simultaneously
<?php class dupa { public $a = 'j'; public function __construct() { echo '+_construct'.$this->$a; } /*public function dupa(){} public function dupa($param) { $this->a = $param; }*/ }; $a = new dupa('blabla'); echo $a->a; $b = new dupa; echo $b->a;?>

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)
8.3.60.0030.01318.30
8.3.50.0160.00321.91
8.3.40.0070.00718.89
8.3.30.0140.00718.97
8.3.20.0080.00020.27
8.3.10.0050.00321.95
8.3.00.0070.00422.43
8.2.180.0120.00616.75
8.2.170.0140.00322.96
8.2.160.0140.00020.95
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0050.00319.48
8.2.110.0030.00721.04
8.2.100.0000.01217.84
8.2.90.0000.00918.92
8.2.80.0030.00517.97
8.2.70.0060.00317.50
8.2.60.0040.00418.04
8.2.50.0040.00418.07
8.2.40.0060.00317.90
8.2.30.0040.00417.98
8.2.20.0080.00017.82
8.2.10.0000.00819.53
8.2.00.0000.00717.72
8.1.280.0090.00625.92
8.1.270.0040.00422.18
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00321.31
8.1.230.0090.00317.44
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0090.00017.35
8.1.190.0080.00017.23
8.1.180.0080.00018.10
8.1.170.0030.00818.49
8.1.160.0000.00722.07
8.1.150.0030.00518.51
8.1.140.0070.00017.44
8.1.130.0030.00317.91
8.1.120.0030.00317.45
8.1.110.0080.00017.30
8.1.100.0030.00517.45
8.1.90.0040.00417.38
8.1.80.0000.00717.51
8.1.70.0000.00817.37
8.1.60.0050.00217.52
8.1.50.0060.00317.53
8.1.40.0050.00217.53
8.1.30.0080.00017.53
8.1.20.0090.00017.55
8.1.10.0040.00417.48
8.1.00.0040.00417.51
8.0.300.0000.00718.77
8.0.290.0000.00716.88
8.0.280.0000.00718.55
8.0.270.0050.00217.32
8.0.260.0000.00716.93
8.0.250.0030.00317.04
8.0.240.0000.00816.89
8.0.230.0080.00016.91
8.0.220.0030.00316.88
8.0.210.0070.00016.84
8.0.200.0030.00316.94
8.0.190.0070.00017.05
8.0.180.0040.00416.98
8.0.170.0030.00616.86
8.0.160.0040.00417.03
8.0.150.0070.00016.98
8.0.140.0070.00016.82
8.0.130.0070.00013.42
8.0.120.0040.00416.93
8.0.110.0000.00716.96
8.0.100.0040.00416.84
8.0.90.0040.00416.79
8.0.80.0170.00316.93
8.0.70.0040.00416.92
8.0.60.0070.00016.86
8.0.50.0040.00416.74
8.0.30.0100.00917.12
8.0.20.0110.00917.40
8.0.10.0050.00217.06
8.0.00.0100.00916.68
7.4.330.0020.00215.00
7.4.320.0000.00616.54
7.4.300.0060.00316.57
7.4.290.0090.00016.55
7.4.280.0070.00016.43
7.4.270.0030.00316.41
7.4.260.0000.00716.64
7.4.250.0000.00816.55
7.4.240.0020.00516.52
7.4.230.0030.00316.30
7.4.220.0110.00716.71
7.4.210.0080.00616.59
7.4.200.0040.00416.63
7.4.190.0070.00016.73
7.4.160.0100.00616.49
7.4.150.0090.00917.40
7.4.140.0070.01217.86
7.4.130.0120.00816.55
7.4.120.0080.01016.53
7.4.110.0070.01016.38
7.4.100.0220.00316.55
7.4.90.0090.00916.48
7.4.80.0120.00819.39
7.4.70.0130.00716.28
7.4.60.0060.01016.59
7.4.50.0000.00816.48
7.4.40.0120.00622.77
7.4.30.0120.00416.53
7.4.00.0000.01415.12
7.3.330.0050.00013.40
7.3.320.0030.00313.28
7.3.310.0030.00316.27
7.3.300.0030.00316.23
7.3.290.0140.00016.51
7.3.280.0080.00816.43
7.3.270.0090.00917.40
7.3.260.0120.01216.29
7.3.250.0110.01116.47
7.3.240.0120.01216.48
7.3.230.0070.01016.39
7.3.210.0100.00616.50
7.3.200.0090.00919.39
7.3.190.0100.01016.45
7.3.180.0070.00716.41
7.3.170.0060.00916.37
7.3.160.0060.00916.53
7.3.120.0030.01214.57
7.3.00.0100.00316.39
7.2.330.0030.01616.50
7.2.320.0110.00716.77
7.2.310.0130.00316.74
7.2.300.0130.01016.59
7.2.290.0120.00616.59
7.2.130.0030.00617.13
7.2.120.0030.01017.04
7.2.110.0030.01016.96
7.2.100.0060.00616.99
7.2.90.0100.00717.03
7.2.80.0080.00317.06
7.2.70.0070.01017.05
7.2.60.0050.00916.76
7.2.50.0150.00016.72
7.2.40.0040.01516.94
7.2.30.0060.00916.87
7.2.20.0060.00917.05
7.2.10.0110.00016.89
7.2.00.0040.01018.09
7.1.250.0030.01015.76
7.1.240.0030.01015.39
7.1.230.0060.00615.68
7.1.220.0070.00715.91
7.1.210.0030.01015.63
7.1.200.0040.00615.77
7.1.190.0100.00315.85
7.1.180.0040.00815.70
7.1.170.0000.00815.80
7.1.160.0060.00615.91
7.1.150.0030.00915.71
7.1.140.0070.00415.86
7.1.130.0070.00715.70
7.1.120.0130.00015.69
7.1.110.0090.00615.87
7.1.100.0060.01117.15
7.1.90.0030.01015.74
7.1.80.0040.00815.86
7.1.70.0030.00616.34
7.1.60.0080.00817.82
7.1.50.0090.00916.33
7.1.40.0060.00615.57
7.1.30.0120.00015.43
7.1.20.0070.01015.84
7.1.10.0060.00615.80
7.1.00.0080.03619.11
7.0.330.0030.00715.48
7.0.320.0080.00015.12
7.0.310.0140.00015.39
7.0.300.0090.00315.44
7.0.290.0030.00615.34
7.0.280.0040.00415.34
7.0.270.0040.00915.19
7.0.260.0060.00615.13
7.0.250.0080.00015.34
7.0.240.0060.00615.16
7.0.230.0060.00615.31
7.0.220.0070.00315.59
7.0.210.0000.01115.12
7.0.200.0080.00416.06
7.0.190.0090.00315.38
7.0.180.0060.00615.48
7.0.170.0030.01015.33
7.0.160.0100.00315.19
7.0.150.0030.00915.04
7.0.140.0090.03618.53
7.0.130.0040.00815.38
7.0.120.0030.00715.13
7.0.110.0060.00615.42
7.0.100.0070.00715.39
7.0.90.0030.00615.25
7.0.80.0060.00615.27
7.0.70.0070.00715.48
7.0.60.0110.01617.65
7.0.50.0090.02516.71
7.0.40.0050.04816.85
7.0.30.0120.02416.67
7.0.20.0130.02516.78
7.0.10.0050.04516.66
7.0.00.0080.02816.67
5.6.380.0040.00714.03
5.6.370.0080.00614.22
5.6.360.0110.00414.58
5.6.350.0050.00514.16
5.6.340.0100.00714.25
5.6.330.0120.00014.47
5.6.320.0080.00414.11
5.6.310.0000.01114.16
5.6.300.0070.00414.25
5.6.290.0150.00014.11
5.6.280.0080.03917.57
5.6.270.0110.00014.02
5.6.260.0030.00914.45
5.6.250.0090.00614.40
5.6.240.0060.00613.85
5.6.230.0000.01314.02
5.6.220.0090.00614.21
5.6.210.0030.04917.52
5.6.200.0110.03116.27
5.6.190.0080.04717.33
5.6.180.1700.02517.38
5.6.170.0120.04517.22
5.6.160.0120.04317.35
5.6.150.0070.04416.15
5.6.140.0080.02316.12
5.6.130.0050.03316.31
5.6.120.0030.02917.66
5.6.110.0080.02817.51
5.6.100.0050.04817.67
5.6.90.0110.03017.78
5.6.80.0050.02417.26
5.6.70.2290.02417.27
5.6.60.0080.00514.21
5.6.50.0110.00414.11
5.6.40.0030.00614.08
5.6.30.0030.00614.22
5.6.20.0040.00814.07
5.6.10.0000.01014.24
5.6.00.0080.00414.26
5.5.380.0000.00711.35
5.5.370.0030.00311.18
5.5.360.0080.00311.18
5.5.350.0050.04215.75
5.5.340.0080.02714.57
5.5.330.0090.02715.89
5.5.320.0130.04515.74
5.5.310.0150.04015.84
5.5.300.0060.02314.62
5.5.290.0050.04414.63
5.5.280.0040.02515.94
5.5.270.0050.04615.90
5.5.260.0060.04716.02
5.5.250.0010.03315.93
5.5.240.0150.03315.77
5.5.230.0070.00311.18
5.5.220.0030.00611.18
5.5.210.0050.00211.18
5.5.200.0030.00911.18
5.5.190.0040.00411.18
5.5.180.0030.00311.18
5.5.170.0090.00011.18
5.5.160.0040.00411.18
5.5.150.0060.00611.18
5.5.140.0060.00311.18
5.5.130.0070.00011.18
5.5.120.0080.00311.18
5.5.110.0070.00011.18
5.5.100.0060.00011.18
5.5.90.0050.00311.18
5.5.80.0090.00011.18
5.5.70.0030.00611.18
5.5.60.0000.00711.18
5.5.50.0000.00911.18
5.5.40.0060.00311.18
5.5.30.0030.00311.18
5.5.20.0040.00411.18
5.5.10.0070.00411.18
5.5.00.0040.00411.18
5.4.450.0240.02415.36
5.4.440.0350.02515.21
5.4.430.0250.02315.35
5.4.420.0340.02515.37
5.4.410.0050.03414.95
5.4.400.0090.03014.97
5.4.390.0100.03314.95
5.4.380.0170.02214.86
5.4.370.0120.02814.86
5.4.360.0180.02014.95
5.4.350.0200.02614.99
5.4.340.0190.02414.89
5.4.330.0000.00611.18
5.4.320.0050.02111.84
5.4.310.0060.02211.84
5.4.300.0020.02211.84
5.4.290.0040.02311.83
5.4.280.0020.02211.78
5.4.270.0030.02111.77
5.4.260.0050.02111.77
5.4.250.0060.02011.77
5.4.240.0070.01811.77
5.4.230.0070.02111.76
5.4.220.0020.02111.77
5.4.210.0020.02311.77
5.4.200.0060.02011.76
5.4.190.0020.02211.77
5.4.180.0030.02311.77
5.4.170.0070.01911.77
5.4.160.0050.02011.77
5.4.150.0040.02411.76
5.4.140.0050.02011.61
5.4.130.0040.02011.60
5.4.120.0060.02111.58
5.4.110.0040.02211.58
5.4.100.0070.02211.58
5.4.90.0040.02311.58
5.4.80.0050.02111.58
5.4.70.0040.02011.57
5.4.60.0040.02011.57
5.4.50.0060.02011.58
5.4.40.0040.02111.57
5.4.30.0070.01911.57
5.4.20.0020.02411.56
5.4.10.0050.02311.57
5.4.00.0050.02011.31
5.3.290.0020.02311.99
5.3.280.0070.01811.94
5.3.270.0060.02211.95
5.3.260.0070.02111.95
5.3.250.0030.02311.95
5.3.240.0040.02611.95
5.3.230.0050.02011.94
5.3.220.0070.01911.93
5.3.210.0060.02211.93
5.3.200.0060.02011.93
5.3.190.0060.02211.93
5.3.180.0050.02311.93
5.3.170.0050.02111.92
5.3.160.0050.02111.92
5.3.150.0100.02211.92
5.3.140.0050.02711.92
5.3.130.0050.02611.92
5.3.120.0040.02411.92
5.3.110.0070.02411.91
5.3.100.0050.02011.65
5.3.90.0050.02211.63
5.3.80.0070.01911.63
5.3.70.0080.01811.62
5.3.60.0050.02111.62
5.3.50.0050.02011.59
5.3.40.0040.02411.59
5.3.30.0060.01911.56
5.3.20.0050.01911.45
5.3.10.0040.01911.44
5.3.00.0020.02411.42
5.2.170.0020.01910.18
5.2.160.0050.02110.18
5.2.150.0020.02010.18
5.2.140.0060.01510.17
5.2.130.0060.01510.15
5.2.120.0040.01810.15
5.2.110.0020.02110.16
5.2.100.0030.01610.16
5.2.90.0020.01810.16
5.2.80.0030.02210.15
5.2.70.0030.01710.15
5.2.60.0090.01610.13
5.2.50.0040.02310.12
5.2.40.0040.01910.11
5.2.30.0020.02210.09
5.2.20.0060.01610.09
5.2.10.0040.01510.05
5.2.00.0070.0169.97
5.1.60.0060.0139.61
5.1.50.0020.0169.61
5.1.40.0050.0139.60
5.1.30.0050.0159.78
5.1.20.0020.0179.79
5.1.10.0050.0149.65
5.1.00.0030.0149.65
5.0.50.0030.0128.89
5.0.40.0030.0118.82
5.0.30.0040.0168.73
5.0.20.0020.0138.72
5.0.10.0020.0158.70
5.0.00.0020.0198.70
4.4.90.0020.0117.98
4.4.80.0060.0077.96
4.4.70.0020.0107.96
4.4.60.0040.0097.96
4.4.50.0020.0107.97
4.4.40.0020.0167.94
4.4.30.0020.0127.97
4.4.20.0020.0108.01
4.4.10.0010.0118.01
4.4.00.0020.0157.97
4.3.110.0030.0097.92
4.3.100.0020.0087.92
4.3.90.0030.0097.91
4.3.80.0030.0147.88
4.3.70.0020.0107.90
4.3.60.0010.0107.90
4.3.50.0020.0097.90
4.3.40.0010.0157.86
4.3.30.0030.0097.23
4.3.20.0020.0127.22
4.3.10.0030.0077.20
4.3.00.0050.01013.10

preferences:
43.06 ms | 401 KiB | 5 Q