3v4l.org

run code in 300+ PHP versions simultaneously
<?php class dupa { public $a = 'j'; public function __construct($param) { $this->a = $param; echo '+_construct'.$this->a; } }; $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)
8.3.60.0120.00618.34
8.3.50.0160.01421.97
8.3.40.0090.00918.97
8.3.30.0100.00318.96
8.3.20.0040.00420.21
8.3.10.0080.00021.92
8.3.00.0000.00822.32
8.2.180.0090.00916.50
8.2.170.0040.01122.96
8.2.160.0070.00720.95
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0110.00326.16
8.2.120.0060.00319.36
8.2.110.0030.00622.10
8.2.100.0120.00019.51
8.2.90.0000.00919.17
8.2.80.0000.00818.16
8.2.70.0060.00317.50
8.2.60.0030.00617.93
8.2.50.0040.00418.07
8.2.40.0040.00718.16
8.2.30.0080.00018.16
8.2.20.0030.00517.70
8.2.10.0040.00419.51
8.2.00.0040.00417.65
8.1.280.0170.00325.92
8.1.270.0090.00922.04
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00623.88
8.1.230.0040.00818.98
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0080.00017.43
8.1.180.0000.00818.10
8.1.170.0040.00718.36
8.1.160.0040.00422.00
8.1.150.0000.00718.64
8.1.140.0060.00317.37
8.1.130.0030.00317.86
8.1.120.0080.00017.43
8.1.110.0050.00317.37
8.1.100.0040.00417.29
8.1.90.0000.00717.38
8.1.80.0050.00317.46
8.1.70.0050.00317.35
8.1.60.0060.00317.44
8.1.50.0040.00417.54
8.1.40.0040.00417.52
8.1.30.0080.00017.58
8.1.20.0050.00317.58
8.1.10.0030.00517.55
8.1.00.0040.00417.44
8.0.300.0040.00418.77
8.0.290.0000.00717.05
8.0.280.0070.00018.52
8.0.270.0030.00317.16
8.0.260.0000.00816.88
8.0.250.0040.00417.04
8.0.240.0000.00816.97
8.0.230.0030.00317.00
8.0.220.0000.00716.97
8.0.210.0030.00316.97
8.0.200.0040.00417.02
8.0.190.0000.00816.91
8.0.180.0070.00016.86
8.0.170.0080.00016.93
8.0.160.0030.00516.86
8.0.150.0030.00416.72
8.0.140.0000.00716.79
8.0.130.0050.00013.34
8.0.120.0040.00417.01
8.0.110.0060.00316.86
8.0.100.0000.00716.80
8.0.90.0000.00816.92
8.0.80.0030.01516.81
8.0.70.0020.00516.79
8.0.60.0050.00316.96
8.0.50.0050.00216.71
8.0.30.0120.01017.11
8.0.20.0100.00917.40
8.0.10.0040.00416.96
8.0.00.0100.00716.79
7.4.330.0020.00215.04
7.4.320.0000.00616.61
7.4.300.0030.00316.48
7.4.290.0030.00316.55
7.4.280.0030.00316.59
7.4.270.0070.00016.52
7.4.260.0070.00016.49
7.4.250.0050.00316.54
7.4.240.0060.00216.51
7.4.230.0030.00316.60
7.4.220.0150.00416.56
7.4.210.0080.00616.59
7.4.200.0030.00316.49
7.4.190.0040.00416.46
7.4.160.0110.00416.30
7.4.150.0200.00017.40
7.4.140.0080.01217.86
7.4.130.0090.01116.53
7.4.120.0090.00916.53
7.4.110.0060.00916.42
7.4.100.0030.01316.55
7.4.90.0130.01016.50
7.4.80.0030.01319.39
7.4.70.0140.00316.43
7.4.60.0070.01116.62
7.4.50.0080.00016.63
7.4.40.0060.00922.77
7.4.30.0100.00616.29
7.4.00.0060.01215.21
7.3.330.0050.00013.14
7.3.320.0000.00513.22
7.3.310.0060.00316.25
7.3.300.0020.00516.23
7.3.290.0080.00516.26
7.3.280.0100.00716.36
7.3.270.0170.00017.40
7.3.260.0030.01416.46
7.3.250.0170.00216.43
7.3.240.0060.01116.51
7.3.230.0060.01416.39
7.3.210.0070.01016.48
7.3.200.0090.00919.39
7.3.190.0100.00616.54
7.3.180.0120.00616.51
7.3.170.0070.00816.46
7.3.160.0080.00816.63
7.3.120.0120.00015.02
7.2.330.0030.01316.79
7.2.320.0060.01116.66
7.2.310.0110.01216.94
7.2.300.0110.00616.45
7.2.290.0090.00616.75
7.2.60.0030.01316.99
7.2.00.0120.00419.47
7.1.200.0070.00715.70
7.1.70.0000.01217.24
7.1.60.0060.00617.07
7.1.50.0230.01634.86
7.1.00.0070.07022.31
7.0.200.0100.00716.88
7.0.140.0070.07022.08
7.0.60.0000.08319.95
7.0.50.0000.05317.95
7.0.40.0100.06720.20
7.0.30.0300.07720.22
7.0.20.0300.07320.25
7.0.10.0300.06320.10
7.0.00.0070.09020.29
5.6.280.0030.07321.11
5.6.210.0170.06320.75
5.6.200.0000.04318.16
5.6.190.0100.08320.46
5.6.180.0030.03720.45
5.6.170.0330.04720.45
5.6.160.0030.08720.57
5.6.150.0070.05018.14
5.6.140.0030.05318.21
5.6.130.0100.05018.28
5.6.120.0070.06720.98
5.6.110.0130.08320.96
5.6.100.0130.08020.96
5.6.90.0170.07320.97
5.6.80.0030.07320.36
5.6.70.0200.04020.37
5.5.350.0030.08720.49
5.5.340.0200.06718.04
5.5.330.0100.08020.58
5.5.320.0470.06320.43
5.5.310.0230.07720.29
5.5.300.0100.08017.98
5.5.290.0100.07717.99
5.5.280.0070.03720.98
5.5.270.0030.05720.87
5.5.260.0070.06720.94
5.5.250.0070.05320.54
5.5.240.0070.08020.05
5.4.450.0600.04019.54
5.4.440.0170.03719.28
5.4.430.0370.04319.41
5.4.420.0100.03019.54
5.4.410.0100.06318.95
5.4.400.0030.05718.76
5.4.390.0070.05718.50
5.4.380.0130.05318.63
5.4.370.0170.05318.58
5.4.360.0170.04718.59
5.4.350.0100.06018.74
5.4.340.0100.05318.69
5.4.320.0040.03912.50
5.4.310.0050.03912.50
5.4.300.0070.03712.50
5.4.290.0090.04212.50
5.4.280.0060.03512.40
5.4.270.0070.03512.36
5.4.260.0050.03912.37
5.4.250.0060.03812.37
5.4.240.0080.03412.36
5.4.230.0050.03912.36
5.4.220.0060.03612.36
5.4.210.0100.03112.36
5.4.200.0030.04112.36
5.4.190.0090.03312.35
5.4.180.0040.03912.36
5.4.170.0030.03912.36
5.4.160.0070.03512.36
5.4.150.0060.03612.35
5.4.140.0070.04412.03
5.4.130.0070.04812.02
5.4.120.0110.03511.98
5.4.110.0040.03711.98
5.4.100.0110.03811.98
5.4.90.0080.03711.98
5.4.80.0070.03811.97
5.4.70.0030.03811.97
5.4.60.0020.03911.97
5.4.50.0050.03611.97
5.4.40.0050.03611.96
5.4.30.0090.04511.96
5.4.20.0040.04211.96
5.4.10.0080.04111.95
5.4.00.0050.03811.44
5.3.290.0100.04612.80
5.3.280.0080.03512.71
5.3.270.0010.04512.73
5.3.260.0050.03912.72
5.3.250.0040.04012.72
5.3.240.0080.03712.72
5.3.230.0040.04112.71
5.3.220.0110.04812.68
5.3.210.0030.05812.68
5.3.200.0070.04712.68
5.3.190.0080.04812.68
5.3.180.0070.03612.67
5.3.170.0050.03812.67
5.3.160.0060.03912.68
5.3.150.0050.03812.68
5.3.140.0060.03912.66
5.3.130.0030.04112.66
5.3.120.0060.03812.66
5.3.110.0040.04312.66
5.3.100.0070.04012.12
5.3.90.0030.03912.08
5.3.80.0060.03612.07
5.3.70.0050.03712.08
5.3.60.0070.04412.06
5.3.50.0060.04012.00
5.3.40.0090.03412.00
5.3.30.0110.03411.95
5.3.20.0070.03511.73
5.3.10.0060.03511.70
5.3.00.0050.03711.68
5.2.170.0040.0319.18
5.2.160.0030.0329.18
5.2.150.0040.0319.18
5.2.140.0060.0309.18
5.2.130.0030.0319.14
5.2.120.0050.0289.14
5.2.110.0050.0339.14
5.2.100.0040.0299.14
5.2.90.0030.0319.13
5.2.80.0050.0349.14
5.2.70.0050.0309.13
5.2.60.0040.0309.09
5.2.50.0050.0309.07
5.2.40.0060.0289.04
5.2.30.0030.0329.00
5.2.20.0040.0339.01
5.2.10.0040.0298.92
5.2.00.0080.0268.76
5.1.60.0020.0268.05
5.1.50.0050.0248.05
5.1.40.0030.0268.04
5.1.30.0010.0298.39
5.1.20.0050.0268.41
5.1.10.0060.0288.14
5.1.00.0080.0318.13
5.0.50.0050.0236.60
5.0.40.0020.0286.47
5.0.30.0070.0366.28
5.0.20.0070.0186.25
5.0.10.0050.0196.23
5.0.00.0050.0306.23
4.4.90.0030.0244.78
4.4.80.0040.0214.76
4.4.70.0040.0164.76
4.4.60.0040.0194.75
4.4.50.0040.0154.77
4.4.40.0030.0324.71
4.4.30.0050.0144.75
4.4.20.0010.0224.84
4.4.10.0050.0134.85
4.4.00.0070.0294.76
4.3.110.0060.0194.67
4.3.100.0060.0174.66
4.3.90.0020.0224.64
4.3.80.0030.0314.58
4.3.70.0040.0204.63
4.3.60.0040.0144.63
4.3.50.0040.0204.63
4.3.40.0020.0254.54
4.3.30.0010.0183.28
4.3.20.0040.0183.27
4.3.10.0000.0173.23
4.3.00.0030.01315.03

preferences:
36.1 ms | 401 KiB | 5 Q