3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $id; public function __construct() { $this->id = 1; } public function __toString() { return $id . ""; } } $a = new Foo; // $a is a pointer pointing to Foo object 0 $b = $a; // $b is a pointer pointing to Foo object 0, however, $b is a copy of $a unlink($a); var_dump($b);

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)
8.3.60.0120.00618.45
8.3.50.0110.00921.87
8.3.40.0110.00318.93
8.3.30.0030.01019.21
8.3.20.0040.00420.16
8.3.10.0040.00421.75
8.3.00.0040.00417.89
8.2.180.0120.00916.88
8.2.170.0030.01422.96
8.2.160.0110.00422.12
8.2.150.0000.00724.18
8.2.140.0050.00324.66
8.2.130.0040.01126.16
8.2.120.0080.00020.86
8.2.110.0090.00022.07
8.2.100.0080.00419.47
8.2.90.0060.00319.09
8.2.80.0080.00017.97
8.2.70.0030.00617.88
8.2.60.0040.00418.16
8.2.50.0040.00418.07
8.2.40.0050.00319.88
8.2.30.0050.00518.12
8.2.20.0000.00817.75
8.2.10.0000.00717.99
8.2.00.0040.00417.81
8.1.280.0110.00725.92
8.1.270.0000.00922.06
8.1.260.0040.00426.35
8.1.250.0150.00628.09
8.1.240.0000.00923.77
8.1.230.0080.00319.21
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0040.00417.25
8.1.180.0050.00318.10
8.1.170.0000.00818.72
8.1.160.0030.00322.02
8.1.150.0030.00518.80
8.1.140.0000.00717.40
8.1.130.0030.00317.75
8.1.120.0000.00717.48
8.1.110.0040.00417.48
8.1.100.0040.00417.36
8.1.90.0040.00417.53
8.1.80.0070.00017.48
8.1.70.0030.00317.35
8.1.60.0040.00417.58
8.1.50.0000.00917.44
8.1.40.0030.00617.41
8.1.30.0080.00017.66
8.1.20.0070.00317.67
8.1.10.0040.00417.47
8.1.00.0000.00717.45
8.0.300.0070.00018.77
8.0.290.0080.00016.75
8.0.280.0030.00318.37
8.0.270.0030.00317.36
8.0.260.0040.00417.33
8.0.250.0030.00316.97
8.0.240.0000.00717.04
8.0.230.0030.00317.04
8.0.220.0090.00016.88
8.0.210.0070.00016.99
8.0.200.0030.00316.97
8.0.190.0000.00717.00
8.0.180.0040.00317.03
8.0.170.0030.00517.00
8.0.160.0080.00016.93
8.0.150.0030.00316.80
8.0.140.0080.00016.91
8.0.130.0060.00013.37
8.0.120.0090.00016.81
8.0.110.0070.00016.98
8.0.100.0040.00416.88
8.0.90.0070.00016.88
8.0.80.0100.00616.92
8.0.70.0040.00416.79
8.0.60.0060.00316.83
8.0.50.0000.00717.02
8.0.30.0100.00917.15
8.0.20.0150.00717.40
8.0.10.0050.00216.91
8.0.00.0090.00816.88
7.4.330.0000.00615.04
7.4.320.0000.00716.55
7.4.300.0030.00316.44
7.4.290.0030.00316.62
7.4.280.0040.00416.64
7.4.270.0000.00716.63
7.4.260.0060.00316.40
7.4.250.0000.00816.38
7.4.240.0050.00216.58
7.4.230.0070.00016.61
7.4.220.0200.00716.55
7.4.210.0110.00416.64
7.4.200.0040.00416.66
7.4.160.0130.01016.52
7.4.150.0110.00717.40
7.4.140.0150.00217.86
7.4.130.0110.00816.60
7.4.120.0080.00916.56
7.4.110.0100.00716.52
7.4.100.0110.00716.31
7.4.90.0120.00916.46
7.4.80.0030.01619.39
7.4.70.0090.01016.37
7.4.60.0090.00916.45
7.4.50.0000.00816.23
7.4.40.0080.00816.70
7.4.30.0040.01216.38
7.4.00.0040.00715.01
7.3.330.0030.00313.34
7.3.320.0000.00613.45
7.3.310.0040.00416.39
7.3.300.0030.00316.30
7.3.290.0130.00716.41
7.3.280.0100.00916.42
7.3.270.0170.00317.40
7.3.260.0190.00016.29
7.3.250.0070.01016.50
7.3.240.0070.01116.34
7.3.230.0130.00416.55
7.3.210.0070.01016.53
7.3.200.0100.00619.39
7.3.190.0040.01416.63
7.3.180.0120.00316.63
7.3.170.0110.00516.37
7.3.160.0060.01016.38
7.3.120.0060.00314.75
7.2.330.0140.00316.68
7.2.320.0030.01316.45
7.2.310.0060.00916.41
7.2.300.0120.00316.35
7.2.290.0060.01116.46
7.2.00.0040.00718.93
7.1.100.0140.00018.02
7.1.70.0000.00817.13
7.1.60.0070.01319.25
7.1.50.0030.01716.71
7.1.00.0070.07322.50
7.0.200.0070.00716.71
7.0.140.0000.07722.09
7.0.60.0200.04019.86
7.0.50.0200.06717.89
7.0.40.0030.05320.27
7.0.30.0200.04720.16
7.0.20.0230.05720.05
7.0.10.0170.04720.26
7.0.00.0070.06720.09
5.6.280.0030.07320.91
5.6.210.0130.04020.47
5.6.200.0130.06018.24
5.6.190.0130.08020.33
5.6.180.0070.06020.60
5.6.170.0130.04320.47
5.6.160.0130.07320.51
5.6.150.0070.08718.19
5.6.140.0070.07018.28
5.6.130.0130.06718.18
5.6.120.0000.07321.12
5.6.110.0170.07720.99
5.6.100.0070.04021.13
5.6.90.0070.08020.95
5.6.80.0030.08320.29
5.5.350.0300.06720.36
5.5.340.0070.08017.95
5.5.330.0200.07020.27
5.5.320.0470.04720.25
5.5.310.0200.05720.52
5.5.300.0030.08318.08
5.5.290.0070.08317.97
5.5.280.0100.05020.66
5.5.270.0000.05720.87
5.5.260.0030.08720.96
5.5.250.0200.07720.62
5.5.240.0230.06720.07
5.4.450.0670.05319.46
5.4.440.0700.05719.70
5.4.430.0870.05019.60
5.4.420.0200.05019.58
5.4.410.0070.07019.00
5.4.400.0370.05718.82
5.4.390.0370.05718.73
5.4.380.0170.05018.51
5.4.370.0100.03718.63
5.4.360.0000.04718.63
5.4.350.0110.03912.02
5.4.340.0070.03612.03
5.4.320.0060.04112.50
5.4.310.0060.03712.50
5.4.300.0060.03612.50
5.4.290.0030.04612.50
5.4.280.0070.03412.40
5.4.270.0060.04012.40
5.4.260.0090.03512.41
5.4.250.0060.03712.40
5.4.240.0010.04112.41
5.4.230.0100.03312.39
5.4.220.0080.03412.39
5.4.210.0060.03612.40
5.4.200.0050.04312.39
5.4.190.0090.03812.39
5.4.180.0040.03912.39
5.4.170.0030.03912.40
5.4.160.0070.03512.40
5.4.150.0020.04512.39
5.4.140.0070.03512.08
5.4.130.0070.03412.07
5.4.120.0050.03512.02
5.4.110.0040.03712.02
5.4.100.0070.03412.02
5.4.90.0050.03812.02
5.4.80.0040.03812.02
5.4.70.0070.03412.02
5.4.60.0050.03512.02
5.4.50.0040.03812.02
5.4.40.0050.03612.00
5.4.30.0060.03612.00
5.4.20.0040.03712.00
5.4.10.0060.03512.00
5.4.00.0020.04011.49
5.3.290.0070.05112.80
5.3.280.0070.03712.71
5.3.270.0060.04012.72
5.3.260.0090.03612.72
5.3.250.0070.03612.72
5.3.240.0080.03612.71
5.3.230.0070.03712.71
5.3.220.0080.03512.68
5.3.210.0050.03912.68
5.3.200.0060.03612.68
5.3.190.0070.03712.68
5.3.180.0070.04012.68
5.3.170.0050.03812.67
5.3.160.0090.03312.67
5.3.150.0070.03512.68
5.3.140.0070.04412.66
5.3.130.0060.04312.66
5.3.120.0070.03812.66
5.3.110.0050.04212.66
5.3.100.0080.03512.13
5.3.90.0080.03412.11
5.3.80.0030.03912.09
5.3.70.0090.03312.10
5.3.60.0100.03312.08
5.3.50.0070.03412.03
5.3.40.0060.03712.04
5.3.30.0040.03611.98
5.3.20.0070.03511.77
5.3.10.0040.03711.73
5.3.00.0060.03711.72
5.2.170.0030.0339.23
5.2.160.0030.0319.23
5.2.150.0080.0269.23
5.2.140.0060.0289.22
5.2.130.0060.0289.19
5.2.120.0070.0289.19
5.2.110.0030.0309.19
5.2.100.0040.0309.18
5.2.90.0050.0289.19
5.2.80.0100.0259.18
5.2.70.0050.0319.18
5.2.60.0040.0319.13
5.2.50.0060.0299.10
5.2.40.0060.0279.07
5.2.30.0050.0309.05
5.2.20.0060.0279.04
5.2.10.0030.0308.95
5.2.00.0050.0288.81
5.1.60.0070.0288.09
5.1.50.0040.0268.09
5.1.40.0030.0278.07
5.1.30.0060.0248.41
5.1.20.0050.0268.44
5.1.10.0060.0248.16
5.1.00.0050.0268.16
5.0.50.0040.0216.65
5.0.40.0030.0206.50
5.0.30.0030.0316.32
5.0.20.0010.0226.27
5.0.10.0040.0206.26
5.0.00.0020.0336.25
4.4.90.0040.0164.77
4.4.80.0040.0144.75
4.4.70.0040.0154.75
4.4.60.0010.0184.76
4.4.50.0020.0174.77
4.4.40.0030.0254.71
4.4.30.0020.0174.76
4.4.20.0020.0164.84
4.4.10.0030.0154.84
4.4.00.0010.0264.76
4.3.110.0010.0174.67
4.3.100.0020.0154.66
4.3.90.0040.0134.63
4.3.80.0020.0244.58
4.3.70.0030.0144.63
4.3.60.0010.0164.63
4.3.50.0010.0174.62
4.3.40.0040.0264.54
4.3.30.0010.0213.30
4.3.20.0010.0173.28
4.3.10.0070.0193.24
4.3.00.0100.0237.91

preferences:
44.09 ms | 401 KiB | 5 Q