3v4l.org

run code in 300+ PHP versions simultaneously
<?php class x { public function __construct() { $x =& $this; $x = new stdClass; var_dump($this); } } $xx = new x; var_dump($xx);

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)
8.3.40.0110.00418.66
8.3.30.0120.00918.59
8.3.20.0050.00318.65
8.3.10.0040.00420.36
8.3.00.0030.00619.03
8.2.170.0120.00622.96
8.2.160.0100.00320.92
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0070.00317.50
8.2.110.0000.01121.12
8.2.100.0040.00817.78
8.2.90.0070.00318.97
8.2.80.0000.00717.80
8.2.70.0050.00317.50
8.2.60.0000.01117.55
8.2.50.0080.00418.07
8.2.40.0070.00018.03
8.2.30.0040.00418.06
8.2.20.0000.00717.54
8.2.10.0000.00817.68
8.2.00.0050.00317.55
8.1.270.0110.00324.66
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00022.46
8.1.230.0080.00320.88
8.1.220.0040.00417.74
8.1.210.0080.00018.85
8.1.200.0080.00017.22
8.1.190.0000.00717.41
8.1.180.0050.00318.10
8.1.170.0040.00418.90
8.1.160.0050.00318.81
8.1.150.0050.00318.48
8.1.140.0040.00417.42
8.1.130.0030.00317.81
8.1.120.0000.00717.42
8.1.110.0040.00417.27
8.1.100.0040.00417.40
8.1.90.0060.00317.46
8.1.80.0000.00717.38
8.1.70.0030.00317.34
8.1.60.0000.00917.59
8.1.50.0040.00417.48
8.1.40.0040.00417.58
8.1.30.0080.00017.56
8.1.20.0040.00417.55
8.1.10.0050.00217.55
8.1.00.0030.00517.33
8.0.300.0040.00419.88
8.0.290.0000.00816.75
8.0.280.0000.00718.38
8.0.270.0070.00017.12
8.0.260.0030.00316.77
8.0.250.0040.00416.90
8.0.240.0030.00316.79
8.0.230.0000.00716.91
8.0.220.0030.00316.80
8.0.210.0000.00816.83
8.0.200.0000.00616.93
8.0.190.0070.00416.84
8.0.180.0000.00716.88
8.0.170.0000.00816.74
8.0.160.0030.00316.88
8.0.150.0060.00316.70
8.0.140.0030.00516.82
8.0.130.0060.00013.17
8.0.120.0030.00316.71
8.0.110.0000.00716.69
8.0.100.0090.00016.62
8.0.90.0000.00716.88
8.0.80.0090.00916.78
8.0.70.0000.00816.81
8.0.60.0040.00416.84
8.0.50.0000.00816.78
8.0.30.0100.00817.09
8.0.20.0110.00817.03
8.0.10.0000.00716.90
8.0.00.0110.00616.81
7.4.330.0000.00512.92
7.4.320.0060.00016.59
7.4.300.0060.00016.57
7.4.290.0030.00316.43
7.4.280.0030.00616.53
7.4.270.0000.00816.61
7.4.260.0000.00613.20
7.4.250.0000.00916.44
7.4.240.0000.00716.46
7.4.230.0000.00716.50
7.4.220.0090.00916.48
7.4.210.0080.00716.60
7.4.200.0030.00316.51
7.4.190.0000.00716.40
7.4.160.0070.01316.64
7.4.150.0100.00616.53
7.4.140.0070.01216.63
7.4.130.0100.00716.29
7.4.120.0130.00416.61
7.4.110.0070.01016.30
7.4.100.0120.00616.48
7.4.90.0140.01116.33
7.4.80.0130.01019.39
7.4.70.0030.01316.46
7.4.60.0070.01216.22
7.4.50.0030.00616.50
7.4.40.0040.00816.32
7.4.30.0110.00716.50
7.4.10.0050.01314.94
7.4.00.0040.01114.91
7.3.330.0000.00613.11
7.3.320.0000.00613.09
7.3.310.0050.00216.26
7.3.300.0040.00416.25
7.3.290.0090.01016.27
7.3.280.0130.00616.19
7.3.270.0100.01316.25
7.3.260.0130.00316.64
7.3.250.0110.01016.47
7.3.240.0130.00316.29
7.3.230.0140.00316.26
7.3.210.0110.00716.17
7.3.200.0100.01016.25
7.3.190.0070.01016.39
7.3.180.0070.00716.15
7.3.170.0160.00316.29
7.3.160.0090.00616.21
7.3.130.0090.00714.62
7.3.120.0090.00814.71
7.3.110.0050.01214.70
7.3.100.0070.00714.90
7.3.90.0110.00314.67
7.3.80.0070.00614.53
7.3.70.0050.01014.77
7.3.60.0050.00714.60
7.3.50.0020.01014.61
7.3.40.0050.00914.58
7.3.30.0080.00414.54
7.3.20.0090.00416.44
7.3.10.0050.00916.52
7.3.00.0040.00916.50
7.2.330.0040.01516.22
7.2.320.0180.00316.54
7.2.310.0150.00616.30
7.2.300.0090.00916.50
7.2.290.0110.00816.64
7.2.260.0080.00614.89
7.2.250.0060.01114.99
7.2.240.0050.00915.03
7.2.230.0070.00614.97
7.2.220.0050.00814.82
7.2.210.0090.00314.84
7.2.200.0060.00414.83
7.2.190.0070.00514.89
7.2.180.0070.00514.96
7.2.170.0040.00614.98
7.2.160.0020.01314.98
7.2.150.0070.00816.71
7.2.140.0070.00316.74
7.2.130.0080.00616.82
7.2.120.0050.00616.65
7.2.110.0050.01016.88
7.2.100.0060.01016.88
7.2.90.0020.01116.84
7.2.80.0040.00716.80
7.2.70.0080.00816.69
7.2.60.0090.00616.81
7.2.50.0040.00916.85
7.2.40.0080.00816.85
7.2.30.0060.00816.95
7.2.20.0040.00816.66
7.2.10.0050.00716.80
7.2.00.0080.00517.68
7.1.330.0090.00515.71
7.1.320.0040.00715.78
7.1.310.0030.01015.66
7.1.300.0100.00515.90
7.1.290.0060.00615.64
7.1.280.0070.00515.68
7.1.270.0080.00515.67
7.1.260.0050.00815.52
7.1.250.0070.00515.75
7.1.240.0070.00815.69
7.1.230.0070.01015.66
7.1.220.0080.00615.55
7.1.210.0070.00815.75
7.1.200.0050.00815.68
7.1.190.0070.00715.64
7.1.180.0070.00915.64
7.1.170.0050.01015.83
7.1.160.0020.01215.74
7.1.150.0050.00915.65
7.1.140.0060.00815.66
7.1.130.0060.00515.75
7.1.120.0050.01015.83
7.1.110.0030.00815.76
7.1.100.0070.00916.32
7.1.90.0070.00615.80
7.1.80.0100.00315.59
7.1.70.0050.00416.12
7.1.60.0070.00416.90
7.1.50.0080.00816.24
7.1.40.0090.00515.71
7.1.30.0050.00715.64
7.1.20.0080.00515.74
7.1.10.0080.00515.56
7.1.00.0050.02617.86
7.0.330.0020.01215.20
7.0.320.0080.00715.13
7.0.310.0070.00615.24
7.0.300.0020.00915.26
7.0.290.0020.01215.25
7.0.280.0040.00515.41
7.0.270.0080.00615.33
7.0.260.0070.00715.09
7.0.250.0030.00915.28
7.0.240.0020.01415.37
7.0.230.0060.00615.18
7.0.220.0080.00515.52
7.0.210.0030.00815.14
7.0.200.0080.00515.04
7.0.190.0050.00615.37
7.0.180.0080.00615.30
7.0.170.0050.01015.29
7.0.160.0080.00615.30
7.0.150.0050.00815.17
7.0.140.0030.03017.61
7.0.130.0020.01115.33
7.0.120.0030.02817.54
7.0.110.0060.00915.43
7.0.100.0050.00815.38
7.0.90.0050.00515.34
7.0.80.0020.01115.38
7.0.70.0030.00915.43
7.0.60.0070.03316.94
7.0.50.0100.02516.26
7.0.40.0070.02014.83
7.0.30.0070.02114.77
7.0.20.0060.02014.87
7.0.10.0070.02014.84
7.0.00.0060.01614.80
5.6.400.0030.00914.33
5.6.390.0030.01214.28
5.6.380.0050.01014.30
5.6.370.0110.00514.47
5.6.360.0070.00314.47
5.6.350.0050.01214.51
5.6.340.0090.00514.31
5.6.330.0080.00814.31
5.6.320.0020.01314.19
5.6.310.0020.01214.35
5.6.300.0050.00714.23
5.6.290.0020.01113.97
5.6.280.0070.02716.64
5.6.270.0060.01014.31
5.6.260.0020.01014.26
5.6.250.0060.00614.28
5.6.240.0060.00714.34
5.6.230.0050.01114.41
5.6.220.0080.00614.05
5.6.210.0100.01916.39
5.6.200.0050.03315.74
5.6.190.0070.02215.62
5.6.180.0070.03015.54
5.6.170.0080.01915.60
5.6.160.0040.01815.56
5.6.150.0070.02115.45
5.6.140.0070.02915.69
5.6.130.0050.03415.61
5.6.120.0120.02415.45
5.6.110.0090.02815.51
5.6.100.0060.02415.60
5.6.90.0060.01815.48
5.6.80.0070.02115.41
5.6.70.0050.02015.35
5.6.60.0060.03115.28
5.6.50.0060.01915.25
5.6.40.0060.02015.26
5.6.30.0050.02315.37
5.6.20.0060.03015.18
5.6.10.0050.03215.36
5.6.00.0090.02015.30
5.5.380.0030.01214.15
5.5.370.0050.00714.27
5.5.360.0080.00414.16
5.5.350.0080.02516.27
5.5.340.0060.03215.48
5.5.330.0070.02615.50
5.5.320.0050.03315.39
5.5.310.0010.02315.48
5.5.300.0060.03015.60
5.5.290.0140.01515.41
5.5.280.0040.02015.53
5.5.270.0050.02115.60
5.5.260.0020.03415.62
5.5.250.0070.01915.36
5.5.240.0040.02015.04
5.5.230.0090.02315.15
5.5.220.0070.01915.26
5.5.210.0070.02115.26
5.5.200.0070.01615.15
5.5.190.0040.03315.29
5.5.180.0060.02515.19
5.5.170.0080.00514.07
5.5.160.0060.03215.21
5.5.150.0050.03115.28
5.5.140.0120.02215.19
5.5.130.0060.02615.13
5.5.120.0140.02415.33
5.5.110.0090.02815.31
5.5.100.0050.02515.07
5.5.90.0030.03215.22
5.5.80.0080.02715.26
5.5.70.0040.03115.26
5.5.60.0100.02815.18
5.5.50.0030.03215.21
5.5.40.0060.03015.11
5.5.30.0110.02815.27
5.5.20.0080.03015.07
5.5.10.0060.03115.29
5.5.00.0070.02115.04
5.4.450.0080.02914.27
5.4.440.0050.02814.18
5.4.430.0040.02214.25
5.4.420.0050.01714.26
5.4.410.0080.01814.22
5.4.400.0050.02914.15
5.4.390.0060.02914.15
5.4.380.0040.02914.11
5.4.370.0050.02614.13
5.4.360.0060.01514.16
5.4.350.0090.02814.12
5.4.340.0040.02914.12
5.4.330.0060.00311.67
5.4.320.0040.02914.14
5.4.310.0070.02714.12
5.4.300.0040.02914.13
5.4.290.0090.02514.13
5.4.280.0050.03014.07
5.4.270.0060.03214.11
5.4.260.0040.02114.11
5.4.250.0050.02714.12
5.4.240.0060.02714.15
5.4.230.0050.02014.11
5.4.220.0030.02214.11
5.4.210.0060.02814.13
5.4.200.0060.02014.14
5.4.190.0010.03414.11
5.4.180.0070.02814.13
5.4.170.0030.01914.15
5.4.160.0030.02014.11
5.4.150.0030.03014.12
5.4.140.0070.02713.27
5.4.130.0050.02713.22
5.4.120.0040.01813.25
5.4.110.0030.03213.24
5.4.100.0070.02413.28
5.4.90.0090.02613.22
5.4.80.0080.02513.25
5.4.70.0020.02013.26
5.4.60.0090.02213.33
5.4.50.0020.02713.25
5.4.40.0050.02113.25
5.4.30.0040.02913.25
5.4.20.0060.01713.25
5.4.10.0040.02013.25
5.4.00.0040.02313.03
5.3.290.0050.02912.68
5.3.280.0060.02212.66
5.3.270.0040.02612.65
5.3.260.0030.02412.66
5.3.250.0020.03012.67
5.3.240.0030.02212.65
5.3.230.0080.03212.67
5.3.220.0040.02512.58
5.3.210.0030.02712.67
5.3.200.0050.02612.62
5.3.190.0030.03112.62
5.3.180.0040.02412.65
5.3.170.0050.02212.64
5.3.160.0040.02212.62
5.3.150.0070.02412.65
5.3.140.0050.01812.65
5.3.130.0030.02812.66
5.3.120.0040.02912.64
5.3.110.0030.01912.63
5.3.100.0050.03012.47
5.3.90.0060.02912.47
5.3.80.0050.01812.38
5.3.70.0050.02512.52
5.3.60.0050.02712.46
5.3.50.0040.02812.43
5.3.40.0070.02612.42
5.3.30.0050.02212.38
5.3.20.0080.02812.35
5.3.10.0080.02512.34
5.3.00.0050.03012.33
5.2.170.0100.03311.04
5.2.160.0070.06011.11
5.2.150.0130.05311.10
5.2.140.0100.05711.16
5.2.130.0170.05311.14
5.2.120.0030.05711.08
5.2.110.0070.06311.13
5.2.100.0030.06011.30
5.2.90.0100.05711.13
5.2.80.0000.06311.14
5.2.70.0130.06011.30
5.2.60.0100.05011.26
5.2.50.0030.06711.04
5.2.40.0070.03011.09
5.2.30.0030.03310.98
5.2.20.0000.06710.90
5.2.10.0030.02710.91
5.2.00.0030.02710.70
5.1.60.0030.0279.96
5.1.50.0030.02310.10
5.1.40.0030.02310.19
5.1.30.0070.02010.34
5.1.20.0030.02310.39
5.1.10.0070.02010.05
5.1.00.0000.0279.98
5.0.50.0000.0208.75
5.0.40.0000.0208.40
5.0.30.0000.0308.32
5.0.20.0000.0238.21
5.0.10.0030.0178.23
5.0.00.0000.0308.21
4.4.90.0000.0377.79
4.4.80.0000.0337.79
4.4.70.0030.0177.79
4.4.60.0000.0177.79
4.4.50.0030.0177.79
4.4.40.0030.0277.79
4.4.30.0000.0177.79
4.4.20.0030.0137.79
4.4.10.0000.0137.79
4.4.00.0000.0237.79
4.3.110.0000.0137.79
4.3.100.0030.0237.79
4.3.90.0030.0107.79
4.3.80.0000.0237.79
4.3.70.0000.0137.79
4.3.60.0070.0107.79
4.3.50.0000.0137.79
4.3.40.0000.0237.79
4.3.30.0000.0137.79
4.3.20.0000.0177.79
4.3.10.0000.0137.79
4.3.00.0000.0137.79

preferences:
41.47 ms | 400 KiB | 5 Q