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)
8.3.60.0040.01118.43
8.3.50.0160.00422.05
8.3.40.0070.00718.84
8.3.30.0140.00018.68
8.3.20.0050.00320.07
8.3.10.0050.00322.09
8.3.00.0030.00520.54
8.2.180.0120.01216.38
8.2.170.0140.00322.96
8.2.160.0100.00320.99
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00419.13
8.2.110.0080.00022.13
8.2.100.0100.00317.91
8.2.90.0080.00019.20
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0000.00818.04
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0040.00418.04
8.2.20.0000.00717.52
8.2.10.0000.00819.46
8.2.00.0040.00417.67
8.1.280.0120.00625.92
8.1.270.0040.00422.06
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0080.00023.83
8.1.230.0030.00719.04
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0040.00417.50
8.1.180.0080.00018.10
8.1.170.0040.00718.46
8.1.160.0050.00321.94
8.1.150.0000.00718.56
8.1.140.0040.00417.30
8.1.130.0070.00017.67
8.1.120.0030.00317.40
8.1.110.0000.00817.26
8.1.100.0000.00717.36
8.1.90.0070.00017.30
8.1.80.0030.00317.29
8.1.70.0030.00317.34
8.1.60.0030.00517.54
8.1.50.0080.00017.56
8.1.40.0000.00717.54
8.1.30.0060.00317.57
8.1.20.0040.00417.66
8.1.10.0070.00017.55
8.1.00.0040.00417.48
8.0.300.0070.00018.77
8.0.290.0040.00417.18
8.0.280.0040.00418.36
8.0.270.0000.00717.26
8.0.260.0000.00716.81
8.0.250.0030.00316.86
8.0.240.0040.00416.95
8.0.230.0000.00816.93
8.0.220.0030.00316.78
8.0.210.0000.00616.89
8.0.200.0070.00016.80
8.0.190.0000.00817.01
8.0.180.0000.00716.87
8.0.170.0030.00616.79
8.0.160.0000.00716.72
8.0.150.0030.00316.80
8.0.140.0030.00416.77
8.0.130.0000.00513.23
8.0.120.0080.00016.79
8.0.110.0000.00716.77
8.0.100.0040.00416.82
8.0.90.0000.00716.79
8.0.80.0060.00916.88
8.0.70.0040.00416.71
8.0.60.0050.00216.84
8.0.50.0040.00416.86
8.0.30.0110.01117.14
8.0.20.0080.01117.40
8.0.10.0080.00016.74
8.0.00.0080.01016.70
7.4.330.0050.00015.00
7.4.320.0030.00316.29
7.4.300.0040.00416.38
7.4.290.0000.01016.58
7.4.280.0000.00716.58
7.4.270.0000.00716.51
7.4.260.0030.00316.50
7.4.250.0050.00316.61
7.4.240.0020.00516.54
7.4.230.0000.00716.70
7.4.220.0130.00316.59
7.4.210.0060.00916.59
7.4.200.0070.00016.59
7.4.190.0040.00416.45
7.4.160.0060.00916.33
7.4.150.0100.01017.40
7.4.140.0090.00917.86
7.4.130.0080.01416.39
7.4.120.0090.00916.40
7.4.110.0130.01016.55
7.4.100.0040.01416.39
7.4.90.0100.00716.44
7.4.80.0120.00619.39
7.4.70.0070.01116.52
7.4.60.0090.00616.34
7.4.50.0050.00316.29
7.4.40.0050.00622.77
7.4.30.0090.00616.25
7.4.00.0070.01014.86
7.3.330.0030.00313.16
7.3.320.0000.00513.11
7.3.310.0060.00316.25
7.3.300.0000.00716.25
7.3.290.0050.01316.27
7.3.280.0110.00716.29
7.3.270.0100.00917.40
7.3.260.0070.01016.23
7.3.250.0090.01016.41
7.3.240.0040.01216.31
7.3.230.0040.01216.39
7.3.210.0120.00616.40
7.3.200.0070.01019.39
7.3.190.0150.00416.15
7.3.180.0120.00316.11
7.3.170.0150.00416.44
7.3.160.0060.00916.55
7.3.120.0060.00915.05
7.2.330.0070.01016.75
7.2.320.0070.01716.62
7.2.310.0090.00616.35
7.2.300.0070.01016.62
7.2.290.0090.00916.70
7.2.60.0030.01016.81
7.2.00.0030.00919.11
7.1.200.0090.00315.80
7.1.100.0000.01117.80
7.1.70.0140.00317.11
7.1.60.0130.01319.82
7.1.50.0000.02116.86
7.1.00.0030.07722.48
7.0.200.0090.00616.80
7.0.140.0030.06722.12
7.0.60.0100.07019.82
7.0.50.0130.05317.83
7.0.40.0070.05320.27
7.0.30.0330.07720.23
7.0.20.0200.05720.13
7.0.10.0070.07720.24
7.0.00.0100.04720.14
5.6.280.0030.07320.91
5.6.210.0030.04020.47
5.6.200.0070.08718.15
5.6.190.0070.08720.67
5.6.180.0470.04720.63
5.6.170.0270.08320.45
5.6.160.0070.08720.54
5.6.150.0070.06718.15
5.6.140.0070.03718.18
5.6.130.0100.05718.18
5.6.120.0100.08021.09
5.6.110.0100.06720.99
5.6.100.0070.03721.04
5.6.90.0100.05020.98
5.6.80.0130.08020.38
5.5.350.0200.05020.39
5.5.340.0000.04318.09
5.5.330.0170.07020.31
5.5.320.0430.07020.35
5.5.310.0170.04020.31
5.5.300.0100.07717.99
5.5.290.0100.08317.92
5.5.280.0030.06720.90
5.5.270.0100.05320.91
5.5.260.0030.08020.89
5.5.250.0070.03720.59
5.5.240.0070.08020.04
5.4.450.0230.05719.42
5.4.440.0730.05319.55
5.4.430.0200.07319.55
5.4.420.0070.06019.52
5.4.410.0100.06318.91
5.4.400.0270.04318.84
5.4.390.0070.05318.61
5.4.380.0130.05018.70
5.4.370.0300.04718.59
5.4.360.0200.05318.50
5.4.350.0270.05018.62
5.4.340.0270.04718.78
5.4.320.0060.03812.50
5.4.310.0050.03912.50
5.4.300.0020.03912.50
5.4.290.0090.04312.50
5.4.280.0080.03912.40
5.4.270.0050.03712.37
5.4.260.0060.04212.37
5.4.250.0040.04912.37
5.4.240.0070.03512.36
5.4.230.0050.03912.36
5.4.220.0060.03712.36
5.4.210.0030.03912.36
5.4.200.0040.03912.36
5.4.190.0050.03712.35
5.4.180.0030.03912.35
5.4.170.0060.04212.36
5.4.160.0120.04112.36
5.4.150.0080.03912.35
5.4.140.0110.04312.04
5.4.130.0060.04012.03
5.4.120.0060.04811.98
5.4.110.0040.04411.98
5.4.100.0070.04511.98
5.4.90.0050.03911.97
5.4.80.0060.04111.98
5.4.70.0090.03011.98
5.4.60.0020.03711.97
5.4.50.0070.03611.97
5.4.40.0060.03511.96
5.4.30.0040.03811.96
5.4.20.0050.03611.96
5.4.10.0070.03411.96
5.4.00.0080.03411.45
5.3.290.0080.04612.80
5.3.280.0070.03612.71
5.3.270.0100.05312.72
5.3.260.0050.05012.72
5.3.250.0050.04612.72
5.3.240.0050.03812.72
5.3.230.0060.03812.71
5.3.220.0040.03912.68
5.3.210.0070.03712.68
5.3.200.0040.03712.68
5.3.190.0050.04312.68
5.3.180.0090.03212.67
5.3.170.0090.03312.67
5.3.160.0090.03212.67
5.3.150.0070.03612.67
5.3.140.0060.03712.66
5.3.130.0090.03612.66
5.3.120.0050.03912.65
5.3.110.0060.03812.66
5.3.100.0080.03412.12
5.3.90.0070.03412.08
5.3.80.0030.03912.08
5.3.70.0070.03412.07
5.3.60.0100.03212.07
5.3.50.0040.03812.00
5.3.40.0060.03512.00
5.3.30.0030.04411.95
5.3.20.0060.03411.73
5.3.10.0050.03511.70
5.3.00.0060.03611.68
5.2.170.0060.0319.18
5.2.160.0030.0409.18
5.2.150.0030.0419.18
5.2.140.0040.0339.18
5.2.130.0030.0319.14
5.2.120.0050.0289.13
5.2.110.0060.0279.14
5.2.100.0060.0279.14
5.2.90.0030.0319.14
5.2.80.0070.0389.14
5.2.70.0080.0379.13
5.2.60.0060.0389.09
5.2.50.0060.0379.06
5.2.40.0060.0329.04
5.2.30.0070.0409.01
5.2.20.0130.0329.01
5.2.10.0040.0298.91
5.2.00.0050.0288.77
5.1.60.0010.0278.05
5.1.50.0070.0228.04
5.1.40.0030.0258.04
5.1.30.0030.0278.39
5.1.20.0040.0278.41
5.1.10.0040.0268.13
5.1.00.0040.0268.12
5.0.50.0040.0226.60
5.0.40.0050.0176.46
5.0.30.0050.0356.28
5.0.20.0040.0186.25
5.0.10.0070.0226.23
5.0.00.0030.0316.22
4.4.90.0030.0154.78
4.4.80.0010.0174.75
4.4.70.0020.0174.75
4.4.60.0030.0174.75
4.4.50.0020.0164.77
4.4.40.0010.0284.71
4.4.30.0010.0174.76
4.4.20.0000.0184.84
4.4.10.0040.0144.85
4.4.00.0040.0234.76
4.3.110.0010.0174.67
4.3.100.0020.0154.66
4.3.90.0030.0174.63
4.3.80.0010.0264.58
4.3.70.0020.0154.63
4.3.60.0030.0144.63
4.3.50.0010.0174.62
4.3.40.0030.0244.54
4.3.30.0050.0143.29
4.3.20.0030.0153.26
4.3.10.0020.0153.23
4.3.00.0000.0276.63

preferences:
35.45 ms | 401 KiB | 5 Q