3v4l.org

run code in 300+ PHP versions simultaneously
<?php class y { public $ppp = 123; } class x { public function __construct() { $x =& $this; $x = new y; var_dump(get_class($this)); $y = $this; var_dump($y->ppp); } } new x;

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)
8.3.60.0120.00316.73
8.3.50.0110.00419.79
8.3.40.0110.00418.73
8.3.30.0070.00718.89
8.3.20.0080.00020.21
8.3.10.0080.00021.90
8.3.00.0080.00017.63
8.2.180.0120.00916.75
8.2.170.0070.01322.96
8.2.160.0170.00320.39
8.2.150.0050.00324.18
8.2.140.0020.00524.66
8.2.130.0040.00426.16
8.2.120.0040.00421.03
8.2.110.0070.00421.89
8.2.100.0100.00319.51
8.2.90.0080.00019.17
8.2.80.0040.00717.97
8.2.70.0060.00317.50
8.2.60.0040.00417.80
8.2.50.0090.00018.07
8.2.40.0000.00818.04
8.2.30.0030.00717.98
8.2.20.0000.00717.61
8.2.10.0000.00718.05
8.2.00.0040.00417.71
8.1.280.0140.00425.92
8.1.270.0030.00623.83
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0050.00523.71
8.1.230.0070.00419.15
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00917.00
8.1.190.0030.00517.22
8.1.180.0030.00618.10
8.1.170.0040.00418.64
8.1.160.0080.00021.94
8.1.150.0040.00418.68
8.1.140.0050.00317.34
8.1.130.0030.00317.82
8.1.120.0070.00017.32
8.1.110.0040.00417.34
8.1.100.0050.00317.39
8.1.90.0020.00517.37
8.1.80.0040.00417.41
8.1.70.0030.00317.35
8.1.60.0080.00017.52
8.1.50.0030.00617.35
8.1.40.0080.00317.51
8.1.30.0080.00017.60
8.1.20.0000.00817.48
8.1.10.0000.00717.42
8.1.00.0000.00817.48
8.0.300.0000.00718.77
8.0.290.0070.00016.75
8.0.280.0040.00418.25
8.0.270.0000.00817.18
8.0.260.0030.00317.13
8.0.250.0000.00716.93
8.0.240.0040.00416.88
8.0.230.0000.00816.88
8.0.220.0030.00316.91
8.0.210.0040.00416.88
8.0.200.0090.00016.96
8.0.190.0040.00416.90
8.0.180.0080.00016.91
8.0.170.0060.00316.81
8.0.160.0040.00416.95
8.0.150.0000.00716.79
8.0.140.0040.00416.86
8.0.130.0050.00013.36
8.0.120.0000.00816.88
8.0.110.0040.00416.78
8.0.100.0000.00816.89
8.0.90.0040.00416.87
8.0.80.0090.01216.82
8.0.70.0070.00016.76
8.0.60.0000.00716.85
8.0.50.0040.00416.84
8.0.30.0120.01116.84
8.0.20.0140.00817.40
8.0.10.0050.00217.07
8.0.00.0080.01216.88
7.4.330.0000.00515.13
7.4.320.0060.00016.55
7.4.300.0060.00016.52
7.4.290.0040.00416.58
7.4.280.0040.00416.57
7.4.270.0000.00716.49
7.4.260.0070.00016.55
7.4.250.0080.00016.45
7.4.240.0040.00416.46
7.4.230.0000.00816.43
7.4.220.0140.00416.52
7.4.210.0120.00616.48
7.4.200.0030.00316.57
7.4.160.0040.01116.45
7.4.150.0090.00917.40
7.4.140.0100.01017.86
7.4.130.0000.01616.41
7.4.120.0080.00916.43
7.4.110.0140.00316.51
7.4.100.0060.01216.38
7.4.90.0000.01716.59
7.4.80.0090.00919.39
7.4.70.0100.00616.40
7.4.60.0130.00316.54
7.4.50.0000.00816.33
7.4.40.0100.00716.54
7.4.30.0130.00316.45
7.4.10.0070.00714.93
7.4.00.0080.00814.95
7.3.330.0030.00313.16
7.3.320.0000.00513.30
7.3.310.0030.00516.29
7.3.300.0070.00016.29
7.3.290.0000.01516.30
7.3.280.0160.00316.28
7.3.270.0030.01417.40
7.3.260.0120.01016.26
7.3.240.0110.00616.36
7.3.230.0130.00316.52
7.3.210.0140.00416.30
7.3.200.0120.01219.39
7.3.190.0090.00916.36
7.3.180.0120.00316.31
7.3.170.0090.00616.31
7.3.160.0160.00016.43
7.3.130.0090.00915.03
7.3.120.0060.01214.88
7.3.110.0100.00614.83
7.3.100.0040.01414.67
7.3.90.0040.00814.69
7.3.80.0030.00914.86
7.3.70.0030.01014.57
7.3.60.0030.01214.62
7.3.50.0030.00614.94
7.3.40.0000.00814.94
7.3.30.0000.01514.73
7.3.20.0060.00316.66
7.3.10.0030.01216.45
7.3.00.0050.00916.48
7.2.330.0180.01316.59
7.2.320.0130.00316.28
7.2.310.0090.00816.59
7.2.300.0090.00616.74
7.2.290.0160.00616.45
7.2.260.0120.00615.18
7.2.250.0070.00715.08
7.2.240.0100.00715.24
7.2.230.0000.01314.92
7.2.220.0110.00414.85
7.2.210.0120.00014.98
7.2.200.0030.00914.93
7.2.190.0000.00915.07
7.2.180.0060.00315.13
7.2.170.0000.01414.95
7.2.160.0090.00614.87
7.2.150.0080.00617.00
7.2.140.0090.00617.02
7.2.130.0090.00516.83
7.2.120.0070.00716.85
7.2.110.0080.00716.78
7.2.100.0050.00716.87
7.2.90.0100.00516.83
7.2.80.0030.01016.88
7.2.70.0010.01216.83
7.2.60.0050.00816.87
7.2.50.0050.00716.81
7.2.40.0020.01216.87
7.2.30.0030.01016.68
7.2.20.0070.00416.89
7.2.10.0050.00616.69
7.2.00.0050.00917.61
7.1.330.0080.00615.64
7.1.320.0070.00415.52
7.1.310.0080.00415.78
7.1.300.0090.00315.59
7.1.290.0030.00815.81
7.1.280.0030.01215.90
7.1.270.0070.00415.93
7.1.260.0060.00315.98
7.1.250.0060.00515.78
7.1.240.0040.01115.85
7.1.230.0040.01215.57
7.1.220.0000.00915.89
7.1.210.0060.00615.87
7.1.200.0030.00815.75
7.1.190.0040.01115.46
7.1.180.0070.00715.92
7.1.170.0110.00315.52
7.1.160.0000.01415.91
7.1.150.0100.00315.69
7.1.140.0100.00315.91
7.1.130.0070.00415.70
7.1.120.0030.01315.53
7.1.110.0030.00615.87
7.1.100.0040.00815.96
7.1.90.0090.00615.82
7.1.80.0130.00015.93
7.1.70.0030.00516.62
7.1.60.0020.00816.48
7.1.50.0070.00816.41
7.1.40.0070.00315.92
7.1.30.0030.01015.66
7.1.20.0030.01115.70
7.1.10.0030.01015.88
7.1.00.0030.04219.04
7.0.330.0030.01315.59
7.0.320.0070.00715.44
7.0.310.0060.00615.45
7.0.300.0000.01115.52
7.0.290.0070.00715.45
7.0.280.0100.00015.48
7.0.270.0030.00715.39
7.0.260.0070.00315.37
7.0.250.0050.00615.38
7.0.240.0100.00315.34
7.0.230.0040.00415.13
7.0.220.0060.00315.45
7.0.210.0060.00615.57
7.0.200.0060.00816.11
7.0.190.0080.00015.47
7.0.180.0060.00615.36
7.0.170.0070.00715.58
7.0.160.0000.00815.59
7.0.150.0000.00915.54
7.0.140.0050.04018.88
7.0.130.0000.01215.54
7.0.120.0060.00315.30
7.0.110.0050.00315.49
7.0.100.0030.00615.50
7.0.90.0070.00715.52
7.0.80.0070.01015.59
7.0.70.0030.00915.23
7.0.60.0070.04218.45
7.0.50.0050.03216.64
7.0.40.0050.02516.79
7.0.30.0160.04416.85
7.0.20.0130.02316.82
7.0.10.0070.04216.85
7.0.00.0030.03516.70
5.6.400.0000.01113.99
5.6.390.0060.00614.27
5.6.380.0030.01014.21
5.6.370.0090.00314.32
5.6.360.0100.00314.33
5.6.350.0000.01014.42
5.6.340.0030.00714.36
5.6.330.0070.00414.24
5.6.320.0000.00814.04
5.6.310.0100.00314.19
5.6.300.0000.00814.36
5.6.290.0110.00314.41
5.6.280.0050.04017.86
5.6.270.0030.01014.24
5.6.260.0080.00814.30
5.6.250.0070.00714.04
5.6.240.0060.00314.16
5.6.230.0060.00314.23
5.6.220.0080.00614.27
5.6.210.0050.04517.53
5.6.200.0060.02516.30
5.6.190.0110.04617.39
5.6.180.0170.02717.57
5.6.170.0150.04417.24
5.6.160.0070.04217.32
5.6.150.0050.03416.28
5.6.140.0000.03416.24
5.6.130.0100.03416.37
5.6.120.0030.02717.66
5.6.110.0050.02417.49
5.6.100.0070.04917.68
5.6.90.0100.03817.56
5.6.80.0100.03217.39
5.6.70.0030.01014.21
5.6.60.0030.01014.04
5.6.50.0030.00914.46
5.6.40.0080.00414.12
5.6.30.0110.00314.11
5.6.20.0040.01114.19
5.6.10.0030.00914.21
5.6.00.0070.00714.12
5.5.380.0080.00714.27
5.5.370.0080.00414.23
5.5.360.0030.01314.20
5.5.350.2030.02417.14
5.5.340.0050.03116.09
5.5.330.0030.04717.55
5.5.320.0350.03017.34
5.5.310.0070.02717.28
5.5.300.0050.03516.21
5.5.290.0060.02316.05
5.5.280.0070.03017.56
5.5.270.0080.04417.36
5.5.260.0090.04117.31
5.5.250.0090.03617.37
5.5.240.0020.04717.22
5.5.230.0000.01014.01
5.5.220.0100.00314.13
5.5.210.0000.01414.26
5.5.200.0030.01214.34
5.5.190.0040.01414.28
5.5.180.0040.01114.32
5.5.170.0050.00313.98
5.5.160.0100.00713.94
5.5.150.0060.00614.05
5.5.140.0060.00313.79
5.5.130.0080.00414.11
5.5.120.0040.00714.41
5.5.110.0090.00614.26
5.5.100.0120.00313.82
5.5.90.0060.00913.92
5.5.80.0000.01113.93
5.5.70.0080.00514.31
5.5.60.0000.01413.99
5.5.50.0000.01514.06
5.5.40.0000.01414.23
5.5.30.0040.00413.88
5.5.20.0060.00614.07
5.5.10.0040.01113.88
5.5.00.0060.00313.99
5.4.450.2120.02415.36
5.4.440.1920.02515.02
5.4.430.1930.02315.23
5.4.420.1830.02715.27
5.4.410.1960.02614.97
5.4.400.1970.02214.87
5.4.390.0010.02614.92
5.4.380.0060.02515.17
5.4.370.1950.02314.89
5.4.360.1960.02014.92
5.4.350.1950.02215.07
5.4.340.2310.01815.01
5.4.330.0050.00211.02
5.4.320.1820.02314.89
5.4.310.0770.02414.94
5.4.300.0430.02615.06
5.4.290.2180.02615.10
5.4.280.1980.02114.95
5.4.270.1920.02614.98
5.4.260.1950.02015.01
5.4.250.1880.02715.03
5.4.240.2020.02215.15
5.4.230.1900.02514.92
5.4.220.1930.01814.93
5.4.210.1630.02315.07
5.4.200.2000.02015.02
5.4.190.2230.01514.98
5.4.180.2070.02214.99
5.4.170.1830.01714.82
5.4.160.1780.02015.12
5.4.150.1820.02115.12
5.4.140.2210.02013.91
5.4.130.2130.01813.65
5.4.120.1960.02013.83
5.4.110.1900.02513.82
5.4.100.1880.01813.85
5.4.90.1980.02313.90
5.4.80.2130.02113.78
5.4.70.2250.02213.77
5.4.60.1870.01813.64
5.4.50.1650.02113.54
5.4.40.1820.02313.58
5.4.30.1910.02113.74
5.4.20.2120.02713.67
5.4.10.1870.02513.69
5.4.00.1850.01813.33
5.3.290.1880.02312.67
5.3.280.1830.02212.39
5.3.270.2020.02212.63
5.3.260.1830.01612.66
5.3.250.2230.02312.55
5.3.240.2270.02012.40
5.3.230.2030.02312.55
5.3.220.1850.02512.36
5.3.210.1870.02412.48
5.3.200.2050.02012.63
5.3.190.2020.02312.53
5.3.180.2020.02012.47
5.3.170.2200.02012.46
5.3.160.1850.02212.64
5.3.150.1820.02412.61
5.3.140.1850.01812.62
5.3.130.2150.02812.60
5.3.120.1950.02212.62
5.3.110.1830.02012.55
5.3.100.1850.02012.35
5.3.90.1830.02112.27
5.3.80.1800.02312.19
5.3.70.1950.02212.22
5.3.60.1680.01812.21
5.3.50.1780.02312.30
5.3.40.1900.02312.05
5.3.30.1950.01812.24
5.3.20.2080.01912.09
5.3.10.1750.01812.04
5.3.00.1890.02112.02
5.2.170.3170.02711.19
5.2.160.3030.02311.06
5.2.150.3070.02711.21
5.2.140.3300.02711.14
5.2.130.3330.02711.16
5.2.120.3030.03011.15
5.2.110.3230.02711.05
5.2.100.3300.03011.06
5.2.90.2800.02311.07
5.2.80.3300.02311.09
5.2.70.3500.02711.04
5.2.60.3230.03011.20
5.2.50.3270.03011.07
5.2.40.2500.02310.94
5.2.30.2530.02710.89
5.2.20.2670.02310.97
5.2.10.2370.03010.87
5.2.00.2500.02710.73
5.1.60.2700.0179.96
5.1.50.2700.0239.90
5.1.40.3030.0309.95
5.1.30.3030.02710.35
5.1.20.2670.02710.42
5.1.10.2800.02710.04
5.1.00.2470.02710.04
5.0.50.1600.0178.45
5.0.40.1300.0178.43
5.0.30.1430.0338.38
5.0.20.1230.0178.36
5.0.10.1200.0208.32
5.0.00.1400.0278.13
4.4.90.1400.0207.10
4.4.80.1430.0207.10
4.4.70.1330.0177.10
4.4.60.1400.0207.10
4.4.50.1370.0177.10
4.4.40.1230.0207.10
4.4.30.1300.0177.10
4.4.20.1330.0137.10
4.4.10.1400.0137.10
4.4.00.1470.0307.10
4.3.110.1270.0137.10
4.3.100.1370.0207.10
4.3.90.1500.0177.10
4.3.80.1430.0277.10
4.3.70.1330.0177.10
4.3.60.1470.0177.10
4.3.50.1500.0177.10
4.3.40.1470.0277.10
4.3.30.0700.0177.10
4.3.20.0830.0207.10
4.3.10.0900.0177.10
4.3.00.0800.0207.10

preferences:
69.79 ms | 400 KiB | 5 Q