3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Data { //public $foo = 'bar'; public function wtf() { unset($this->foo); } } $d = new Data; $d->foo = 'bar'; var_dump('foo exists', property_exists($d, 'foo')); $d->wtf(); var_dump('foo exists', property_exists($d, 'foo'));

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)
8.3.40.0140.00018.89
8.3.30.0070.01318.93
8.3.20.0040.00420.16
8.3.10.0040.00423.70
8.3.00.0050.00219.19
8.2.170.0110.00722.96
8.2.160.0070.00720.55
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0020.00520.98
8.2.110.0060.00319.32
8.2.100.0090.00317.78
8.2.90.0040.00417.63
8.2.80.0030.00518.67
8.2.70.0030.00517.50
8.2.60.0050.00517.63
8.2.50.0000.00817.61
8.2.40.0000.00819.23
8.2.30.0120.00018.13
8.2.20.0080.00017.69
8.2.10.0000.00717.87
8.2.00.0000.00717.66
8.1.270.0040.00423.65
8.1.260.0140.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00919.19
8.1.230.0070.00420.88
8.1.220.0080.00018.34
8.1.210.0090.00018.77
8.1.200.0000.00817.35
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00817.62
8.1.160.0000.00821.84
8.1.150.0050.00318.48
8.1.140.0000.00717.25
8.1.130.0000.00817.75
8.1.120.0030.00317.39
8.1.110.0000.00717.31
8.1.100.0030.00517.36
8.1.90.0060.00317.38
8.1.80.0040.00417.30
8.1.70.0000.00817.40
8.1.60.0060.00617.53
8.1.50.0040.00417.50
8.1.40.0060.00317.40
8.1.30.0060.00317.57
8.1.20.0020.00517.52
8.1.10.0000.00717.55
8.1.00.0100.00017.46
8.0.300.0040.00419.91
8.0.290.0080.00016.58
8.0.280.0070.00018.38
8.0.270.0030.00317.15
8.0.260.0030.00317.21
8.0.250.0000.00716.89
8.0.240.0030.00316.79
8.0.230.0000.00716.93
8.0.220.0060.00016.84
8.0.210.0000.00716.70
8.0.200.0040.00416.93
8.0.190.0050.00216.89
8.0.180.0050.00316.77
8.0.170.0040.00416.81
8.0.160.0000.00816.81
8.0.150.0030.00516.75
8.0.140.0000.00816.70
8.0.130.0030.00313.25
8.0.120.0030.00616.65
8.0.110.0040.00416.79
8.0.100.0030.00516.80
8.0.90.0050.00216.80
8.0.80.0080.00816.76
8.0.70.0050.00316.83
8.0.60.0000.00716.84
8.0.50.0050.00216.91
8.0.30.0090.01017.16
8.0.20.0110.00817.40
8.0.10.0000.00716.91
8.0.00.0130.00616.89
7.4.330.0000.00515.09
7.4.320.0000.00616.45
7.4.300.0000.00616.41
7.4.290.0000.00716.41
7.4.280.0030.00616.50
7.4.270.0030.00316.45
7.4.260.0080.00016.51
7.4.250.0040.00416.48
7.4.240.0000.00716.51
7.4.230.0000.00716.61
7.4.220.0150.01116.45
7.4.210.0060.00816.65
7.4.200.0040.00416.61
7.4.190.0020.00516.54
7.4.160.0080.00816.54
7.4.150.0070.01017.40
7.4.140.0120.00517.86
7.4.130.0080.01116.32
7.4.120.0120.00516.51
7.4.110.0100.00716.58
7.4.100.0130.00716.53
7.4.90.0110.00516.50
7.4.80.0150.00719.39
7.4.70.0110.00616.64
7.4.60.0190.00016.34
7.4.50.0000.00816.62
7.4.40.0060.01016.41
7.4.30.0040.01116.55
7.4.10.0060.01215.13
7.4.00.0090.00914.96
7.3.330.0000.00513.29
7.3.320.0000.00513.37
7.3.310.0030.00316.29
7.3.300.0080.00016.26
7.3.290.0070.01116.31
7.3.280.0070.01116.29
7.3.270.0170.00017.40
7.3.260.0120.00916.30
7.3.250.0110.00716.42
7.3.240.0140.00916.54
7.3.230.0040.01316.41
7.3.210.0070.01016.29
7.3.200.0100.01219.39
7.3.190.0040.01216.25
7.3.180.0040.01116.42
7.3.170.0080.01116.27
7.3.160.0030.01416.52
7.3.130.0110.00715.05
7.3.120.0070.01014.70
7.3.110.0050.01414.82
7.3.100.0030.01014.86
7.3.90.0050.00615.01
7.3.80.0030.00614.90
7.3.70.0040.00814.68
7.3.60.0050.00714.96
7.3.50.0080.00714.81
7.3.40.0080.00514.55
7.3.30.0060.00814.72
7.3.20.0070.00816.72
7.3.10.0060.00616.59
7.3.00.0020.01016.59
7.2.330.0030.01316.72
7.2.320.0190.00316.57
7.2.310.0210.00016.78
7.2.300.0030.01316.41
7.2.290.0180.00516.56
7.2.260.0060.00914.98
7.2.250.0060.01014.99
7.2.240.0050.01015.04
7.2.230.0070.00715.16
7.2.220.0070.00615.00
7.2.210.0080.00614.98
7.2.200.0080.00514.92
7.2.190.0030.01015.01
7.2.180.0080.00614.83
7.2.170.0030.00915.04
7.2.160.0060.00914.86
7.2.150.0070.00716.80
7.2.140.0040.00716.75
7.2.130.0070.00816.95
7.2.120.0100.00216.89
7.2.110.0060.00616.68
7.2.100.0050.00916.86
7.2.90.0040.00916.78
7.2.80.0050.00716.94
7.2.70.0060.00617.00
7.2.60.0030.00916.86
7.2.50.0060.00516.85
7.2.40.0060.00916.78
7.2.30.0090.00616.96
7.2.20.0060.00916.69
7.2.10.0080.00516.87
7.2.00.0070.01017.55
7.1.330.0030.01015.67
7.1.320.0050.00815.67
7.1.310.0070.00515.76
7.1.300.0050.00715.52
7.1.290.0050.00915.83
7.1.280.0000.01515.55
7.1.270.0040.01015.60
7.1.260.0070.00515.72
7.1.250.0000.01115.58
7.1.240.0030.00715.45
7.1.230.0000.01015.86
7.1.220.0080.00615.75
7.1.210.0040.00415.72
7.1.200.0070.00415.57
7.1.190.0070.00715.73
7.1.180.0000.01215.66
7.1.170.0070.00715.62
7.1.160.0040.00415.73
7.1.150.0060.00915.55
7.1.140.0060.00615.73
7.1.130.0100.00315.61
7.1.120.0070.01015.59
7.1.110.0000.01315.86
7.1.100.0050.00516.99
7.1.90.0030.00715.77
7.1.80.0040.00815.78
7.1.70.0050.00516.38
7.1.60.0060.00417.73
7.1.50.0080.00416.36
7.1.40.0030.00615.72
7.1.30.0040.00415.80
7.1.20.0030.01015.80
7.1.10.0050.00515.77
7.1.00.0040.04019.13
7.0.330.0030.01015.46
7.0.320.0100.00015.38
7.0.310.0090.00315.54
7.0.300.0070.00715.39
7.0.290.0080.00015.42
7.0.280.0120.00415.52
7.0.270.0080.00015.47
7.0.260.0040.01215.34
7.0.250.0080.00015.50
7.0.240.0100.00015.44
7.0.230.0030.01015.62
7.0.220.0030.01015.46
7.0.210.0030.00615.18
7.0.200.0040.00615.93
7.0.190.0060.00315.36
7.0.180.0040.00815.41
7.0.170.0020.00515.24
7.0.160.0000.01215.51
7.0.150.0060.00615.21
7.0.140.0100.03518.58
7.0.130.0000.00915.26
7.0.120.0040.01115.50
7.0.110.0040.00415.23
7.0.100.0070.00715.50
7.0.90.0070.00415.52
7.0.80.0040.01115.49
7.0.70.0060.00915.13
7.0.60.0060.02617.45
7.0.50.0020.02416.77
7.0.40.0020.02816.90
7.0.30.0170.02016.88
7.0.20.0150.02716.92
7.0.10.0080.02316.87
7.0.00.0110.03716.80
5.6.400.0060.00614.29
5.6.390.0060.00914.41
5.6.380.0030.01014.51
5.6.370.0000.00914.24
5.6.360.0060.00314.48
5.6.350.0060.00614.38
5.6.340.0070.01014.08
5.6.330.0070.00714.39
5.6.320.0000.01214.36
5.6.310.0080.00014.62
5.6.300.0030.01014.41
5.6.290.0090.00614.28
5.6.280.0020.04317.89
5.6.270.0030.00614.61
5.6.260.0060.00314.25
5.6.250.0060.00914.42
5.6.240.0000.01414.30
5.6.230.0000.00814.27
5.6.220.0070.00714.36
5.6.210.0020.04917.43
5.6.200.0030.04016.19
5.6.190.0020.02817.34
5.6.180.0270.02117.37
5.6.170.0200.04317.35
5.6.160.0070.02517.39
5.6.150.0090.04016.25
5.6.140.0050.03516.23
5.6.130.0110.03816.29
5.6.120.0080.04317.74
5.6.110.0070.04417.70
5.6.100.0100.04117.76
5.6.90.0050.03617.61
5.6.80.0070.02217.33
5.6.70.0050.00514.16
5.6.60.0070.01114.15
5.6.50.0110.00714.30
5.6.40.0060.00614.20
5.6.30.0000.01414.25
5.6.20.0090.00614.35
5.6.10.0070.00714.34
5.6.00.0030.01014.32
5.5.380.0040.00814.50
5.5.370.0000.01014.48
5.5.360.0030.01014.25
5.5.350.0140.04617.48
5.5.340.0030.02516.29
5.5.330.0120.03917.18
5.5.320.0220.04217.39
5.5.310.0160.02217.46
5.5.300.0150.02716.08
5.5.290.0020.03116.22
5.5.280.0100.03817.58
5.5.270.0030.04817.56
5.5.260.0080.04717.62
5.5.250.0070.03717.51
5.5.240.0130.04217.28
5.5.230.0100.00314.15
5.5.220.0060.01014.25
5.5.210.0070.00714.40
5.5.200.0030.01214.23
5.5.190.0000.01314.01
5.5.180.0060.00914.26
5.5.170.0070.00414.48
5.5.160.0070.00714.07
5.5.150.0100.00014.29
5.5.140.0030.01313.86
5.5.130.0000.00814.38
5.5.120.0070.00714.55
5.5.110.0000.01214.17
5.5.100.0000.00914.29
5.5.90.0090.00614.30
5.5.80.0110.00314.25
5.5.70.0030.01014.21
5.5.60.0040.00714.33
5.5.50.0000.00914.13
5.5.40.0040.01214.08
5.5.30.0040.01114.05
5.5.20.0080.00314.01
5.5.10.0080.00814.18
5.5.00.0110.00414.39
5.4.450.0120.02119.84
5.4.440.0220.02719.83
5.4.430.0150.02319.81
5.4.420.0290.02219.81
5.4.410.0320.01319.81
5.4.400.0200.02019.63
5.4.390.0200.02619.43
5.4.380.0130.02616.05
5.4.370.0130.02616.15
5.4.360.0050.03216.17
5.4.350.0100.03116.17
5.4.340.0080.03216.09
5.4.330.0050.00213.55
5.4.320.0060.01913.03
5.4.310.0060.02213.02
5.4.300.0070.02613.02
5.4.290.0070.03013.02
5.4.280.0060.02612.97
5.4.270.0100.02412.97
5.4.260.0060.02812.97
5.4.250.0060.02712.97
5.4.240.0080.02412.97
5.4.230.0100.02512.97
5.4.220.0060.02812.97
5.4.210.0090.02512.96
5.4.200.0110.02312.97
5.4.190.0070.02512.96
5.4.180.0050.02312.97
5.4.170.0050.02512.97
5.4.160.0080.02212.97
5.4.150.0070.02212.96
5.4.140.0090.02812.81
5.4.130.0090.03212.80
5.4.120.0050.02112.78
5.4.110.0030.02912.78
5.4.100.0070.02512.78
5.4.90.0060.03012.78
5.4.80.0080.02612.78
5.4.70.0040.02912.78
5.4.60.0040.02912.78
5.4.50.0070.02712.78
5.4.40.0050.02712.77
5.4.30.0080.02612.77
5.4.20.0040.03212.77
5.4.10.0090.02612.77
5.4.00.0120.02112.52
5.3.290.0040.02413.18
5.3.280.0030.03113.13
5.3.270.0070.03013.13
5.3.260.0030.03213.13
5.3.250.0070.02913.13
5.3.240.0080.02913.13
5.3.230.0070.03013.13
5.3.220.0080.02513.12
5.3.210.0040.03413.12
5.3.200.0090.02613.12
5.3.190.0080.02613.11
5.3.180.0030.03113.11
5.3.170.0060.02913.11
5.3.160.0020.03213.11
5.3.150.0050.02913.11
5.3.140.0060.02913.10
5.3.130.0060.03113.10
5.3.120.0070.03013.10
5.3.110.0090.03013.10
5.3.100.0070.02812.83
5.3.90.0050.03012.82
5.3.80.0020.03112.82
5.3.70.0080.02212.82
5.3.60.0080.02612.81
5.3.50.0070.02412.79
5.3.40.0040.02912.79
5.3.30.0050.02812.76
5.3.20.0070.03012.65
5.3.10.0030.03612.64
5.3.00.0070.02712.63
5.2.170.0080.0449.21
5.2.160.0050.0449.22
5.2.150.0040.0469.22
5.2.140.0040.0339.22
5.2.130.0040.0309.18
5.2.120.0070.0329.18
5.2.110.0040.0319.18
5.2.100.0060.0299.18
5.2.90.0090.0269.18
5.2.80.0070.0299.17
5.2.70.0050.0319.18
5.2.60.0040.0329.13
5.2.50.0060.0289.10
5.2.40.0040.0319.07
5.2.30.0080.0279.04
5.2.20.0040.0309.03
5.2.10.0040.0308.94
5.2.00.0030.0328.80
5.1.60.0080.0228.09
5.1.50.0090.0278.08
5.1.40.0040.0278.06
5.1.30.0050.0268.41
5.1.20.0030.0288.43
5.1.10.0040.0388.16
5.1.00.0050.0388.16
5.0.50.0040.0296.64
5.0.40.0060.0266.50
5.0.30.0060.0296.31
5.0.20.0040.0196.28
5.0.10.0020.0226.25
5.0.00.0060.0276.25
4.4.90.0030.0154.78
4.4.80.0050.0154.75
4.4.70.0050.0214.75
4.4.60.0010.0234.76
4.4.50.0020.0174.77
4.4.40.0030.0254.70
4.4.30.0040.0144.76
4.4.20.0040.0154.84
4.4.10.0020.0164.85
4.4.00.0030.0244.75
4.3.110.0060.0124.67
4.3.100.0010.0164.66
4.3.90.0010.0164.63
4.3.80.0030.0244.59
4.3.70.0040.0134.63
4.3.60.0020.0154.63
4.3.50.0040.0144.63
4.3.40.0030.0234.54
4.3.30.0040.0143.30
4.3.20.0030.0153.28
4.3.10.0030.0143.24
4.3.00.0130.00725.31

preferences:
45.97 ms | 400 KiB | 5 Q