3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class Pisa { protected $_object = 'Pisa'; } class Child1 extends Pisa { function __construct() { $e = new Child2(); var_dump($e->_object); } } class Child2 extends Pisa { } new Child1(); ?>

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)
8.3.40.0120.00318.71
8.3.30.0070.00718.92
8.3.20.0090.00020.16
8.3.10.0040.00423.51
8.3.00.0040.00421.01
8.2.170.0090.00922.96
8.2.160.0100.00320.53
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0070.00020.52
8.2.110.0080.00022.24
8.2.100.0120.00019.46
8.2.90.0000.00719.07
8.2.80.0040.00417.97
8.2.70.0040.00417.49
8.2.60.0040.00417.80
8.2.50.0000.00818.07
8.2.40.0140.00317.73
8.2.30.0000.00718.10
8.2.20.0040.00417.68
8.2.10.0050.00318.01
8.2.00.0000.00817.60
8.1.270.0090.00023.81
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0090.00023.90
8.1.230.0090.00319.08
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0060.00317.11
8.1.190.0000.00817.00
8.1.180.0000.00818.10
8.1.170.0070.00418.50
8.1.160.0000.00721.82
8.1.150.0070.00418.58
8.1.140.0000.00717.31
8.1.130.0030.00617.70
8.1.120.0000.00717.48
8.1.110.0000.00717.40
8.1.100.0040.00417.40
8.1.90.0000.00717.33
8.1.80.0040.00317.48
8.1.70.0050.00317.40
8.1.60.0030.00617.46
8.1.50.0080.00017.44
8.1.40.0040.00417.45
8.1.30.0060.00617.66
8.1.20.0000.00717.59
8.1.10.0050.00217.45
8.1.00.0000.00717.48
8.0.300.0040.00418.77
8.0.290.0000.00717.18
8.0.280.0070.00018.38
8.0.270.0030.00517.07
8.0.260.0000.00617.07
8.0.250.0000.00716.96
8.0.240.0070.00016.94
8.0.230.0070.00016.94
8.0.220.0000.00616.86
8.0.210.0000.00716.72
8.0.200.0030.00616.97
8.0.190.0030.00316.79
8.0.180.0000.00716.87
8.0.170.0040.00416.86
8.0.160.0040.00416.85
8.0.150.0000.00716.88
8.0.140.0030.00316.79
8.0.130.0000.00613.25
8.0.120.0040.00416.80
8.0.110.0000.00716.66
8.0.100.0060.00316.61
8.0.90.0040.00416.87
8.0.80.0030.01316.84
8.0.70.0040.00416.68
8.0.60.0000.00816.70
8.0.50.0050.00316.70
8.0.30.0060.01217.18
8.0.20.0030.01417.40
8.0.10.0000.00716.84
8.0.00.0050.01216.77
7.4.330.0050.00015.03
7.4.320.0030.00316.54
7.4.300.0030.00316.61
7.4.290.0070.00016.50
7.4.280.0030.00516.49
7.4.270.0040.00416.61
7.4.260.0030.00316.45
7.4.250.0040.00416.48
7.4.240.0030.00316.53
7.4.230.0030.00316.63
7.4.220.0090.00916.63
7.4.210.0080.01116.59
7.4.200.0080.00016.36
7.4.190.0000.00716.48
7.4.160.0130.00316.39
7.4.150.0040.01417.40
7.4.140.0150.02517.86
7.4.130.0070.01316.35
7.4.120.0070.01216.41
7.4.110.0140.01016.49
7.4.100.0170.00316.63
7.4.90.0090.00916.34
7.4.80.0070.01419.39
7.4.70.0000.01616.41
7.4.60.0060.01216.51
7.4.50.0030.00616.64
7.4.40.0100.00716.24
7.4.30.0040.01216.62
7.4.10.0170.00014.69
7.4.00.0100.00714.89
7.3.330.0070.00013.11
7.3.320.0060.00013.27
7.3.310.0040.00416.10
7.3.300.0000.00816.13
7.3.290.0130.00616.16
7.3.280.0070.00916.24
7.3.270.0200.01317.40
7.3.260.0130.00316.21
7.3.250.0090.00816.32
7.3.240.0090.01216.25
7.3.230.0110.00616.39
7.3.210.0110.00716.28
7.3.200.0160.00019.39
7.3.190.0090.01116.38
7.3.180.0140.00316.53
7.3.170.0030.01316.27
7.3.160.0090.00616.23
7.3.130.0100.01014.62
7.3.120.0070.01014.78
7.3.110.0050.00914.71
7.3.100.0060.00714.78
7.3.90.0020.01014.78
7.3.80.0090.00514.64
7.3.70.0080.00614.79
7.3.60.0080.00614.73
7.3.50.0050.01014.74
7.3.40.0030.00614.63
7.3.30.0060.00814.76
7.3.20.0090.00316.62
7.3.10.0030.00816.60
7.3.00.0080.00316.56
7.2.330.0060.01116.59
7.2.320.0070.01016.23
7.2.310.0110.00616.42
7.2.300.0160.00616.66
7.2.290.0120.00916.74
7.2.260.0070.01114.99
7.2.250.0070.00914.92
7.2.240.0110.00415.00
7.2.230.0090.00614.92
7.2.220.0050.00714.71
7.2.210.0050.01015.13
7.2.200.0040.00714.97
7.2.190.0030.01314.95
7.2.180.0030.00815.08
7.2.170.0020.01214.90
7.2.160.0100.00314.71
7.2.150.0030.01416.77
7.2.140.0030.00616.88
7.2.130.0000.01016.82
7.2.120.0100.00616.56
7.2.110.0090.01216.81
7.2.100.0100.01016.78
7.2.90.0080.00816.79
7.2.80.0060.00916.66
7.2.70.0040.01116.72
7.2.60.0030.00716.87
7.2.50.0040.00816.95
7.2.40.0070.00416.94
7.2.30.0060.00917.04
7.2.20.0000.01516.64
7.2.10.0040.01116.51
7.2.00.0090.00617.07
7.1.330.0080.00515.89
7.1.320.0000.01215.80
7.1.310.0040.00715.62
7.1.300.0030.00615.61
7.1.290.0050.00815.75
7.1.280.0060.00815.55
7.1.270.0050.00915.76
7.1.260.0050.00815.63
7.1.250.0030.01015.71
7.1.240.0100.00715.60
7.1.230.0100.00715.71
7.1.220.0060.01215.71
7.1.210.0120.00315.78
7.1.200.0110.00715.73
7.1.190.0000.01615.88
7.1.180.0100.00315.43
7.1.170.0040.01115.75
7.1.160.0040.00815.88
7.1.150.0000.01515.47
7.1.140.0030.00915.62
7.1.130.0100.00315.88
7.1.120.0040.01115.88
7.1.110.0060.00315.68
7.1.100.0000.01515.80
7.1.90.0030.01015.89
7.1.80.0110.00015.62
7.1.70.0030.00816.25
7.1.60.0070.00416.39
7.1.50.0060.01116.21
7.1.40.0100.00315.98
7.1.30.0000.01315.79
7.1.20.0030.00615.54
7.1.10.0140.00015.53
7.1.00.0070.04019.04
7.0.330.0030.00615.29
7.0.320.0000.01115.33
7.0.310.0060.00615.11
7.0.300.0030.01015.04
7.0.290.0030.00615.32
7.0.280.0060.00915.32
7.0.270.0060.00315.33
7.0.260.0030.01015.39
7.0.250.0030.00815.47
7.0.240.0000.01215.49
7.0.230.0070.00415.43
7.0.220.0070.00415.04
7.0.210.0100.00315.50
7.0.200.0050.01115.95
7.0.190.0070.01015.05
7.0.180.0040.00815.27
7.0.170.0000.01115.38
7.0.160.0000.01415.59
7.0.150.0030.01015.32
7.0.140.0050.04018.72
7.0.130.0030.00715.59
7.0.120.0030.01015.41
7.0.110.0070.00715.36
7.0.100.0100.04717.71
7.0.90.0080.04817.56
7.0.80.0110.03817.53
7.0.70.0100.04517.52
7.0.60.0050.04517.71
7.0.50.0100.04217.81
7.0.40.0090.04316.76
7.0.30.0140.03916.62
7.0.20.0120.03916.74
7.0.10.0070.03616.75
7.0.00.0030.04316.69
5.6.400.0030.00914.28
5.6.390.0000.01014.41
5.6.380.0040.00814.34
5.6.370.0060.00914.23
5.6.360.0150.00014.01
5.6.350.0110.00414.35
5.6.340.0030.01414.54
5.6.330.0060.00614.17
5.6.320.0100.00014.48
5.6.310.0060.01014.02
5.6.300.0000.01614.09
5.6.290.0030.00614.22
5.6.280.0030.04217.59
5.6.270.0060.00614.24
5.6.260.0040.00814.08
5.6.250.0080.04717.38
5.6.240.0110.03717.38
5.6.230.0110.04017.37
5.6.220.0030.04417.51
5.6.210.0050.04317.41
5.6.200.0050.04617.63
5.6.190.0050.05017.69
5.6.180.0100.04217.72
5.6.170.0070.04517.58
5.6.160.0020.04617.56
5.6.150.0050.02517.80
5.6.140.0060.02817.74
5.6.130.0050.03217.70
5.6.120.0060.04717.77
5.6.110.0130.04017.59
5.6.100.0120.03717.67
5.6.90.0060.04817.78
5.6.80.0090.03617.55
5.6.70.0110.03917.29
5.6.60.0070.04517.24
5.6.50.0080.04417.29
5.6.40.0050.04217.48
5.6.30.0060.02617.32
5.6.20.0100.03217.27
5.6.10.0070.04017.43
5.6.00.0090.04017.20
5.5.380.0100.04317.24
5.5.370.0100.04217.21
5.5.360.0080.04217.27
5.5.350.0080.04317.09
5.5.340.0070.04417.47
5.5.330.0030.03617.45
5.5.320.0030.03817.55
5.5.310.0050.04417.54
5.5.300.0090.02917.34
5.5.290.0100.04317.30
5.5.280.0030.03017.43
5.5.270.0080.04317.46
5.5.260.0060.03817.67
5.5.250.0100.04017.35
5.5.240.0070.03517.20
5.5.230.0110.03816.95
5.5.220.0050.04917.27
5.5.210.0120.03717.21
5.5.200.0110.04017.07
5.5.190.0070.04017.01
5.5.180.0080.02617.02
5.5.170.0040.00713.92
5.5.160.0050.02817.20
5.5.150.0110.01816.97
5.5.140.0060.04017.10
5.5.130.0050.02617.27
5.5.120.0020.02617.17
5.5.110.0040.02917.16
5.5.100.0050.02517.04
5.5.90.0070.04417.08
5.5.80.0080.02016.94
5.5.70.0030.02717.04
5.5.60.0030.02317.17
5.5.50.0030.02517.03
5.5.40.0030.04317.10
5.5.30.0020.02816.95
5.5.20.0030.03017.14
5.5.10.0030.02517.10
5.5.00.0050.02017.03
5.4.450.0100.03815.24
5.4.440.0060.02315.24
5.4.430.0040.04415.26
5.4.420.0070.04015.10
5.4.410.0030.04414.94
5.4.400.0080.03714.97
5.4.390.0080.03714.87
5.4.380.0050.04215.00
5.4.370.0040.04414.94
5.4.360.0020.04415.03
5.4.350.0040.04214.98
5.4.340.0030.03214.86
5.4.330.0000.00710.86
5.4.320.0080.02315.00
5.4.310.0080.02015.04
5.4.300.0070.03214.92
5.4.290.0060.02314.85
5.4.280.0020.02814.79
5.4.270.0070.01714.87
5.4.260.0020.02814.91
5.4.250.0040.03914.84
5.4.240.0050.02814.98
5.4.230.0030.02314.83
5.4.220.0020.04614.94
5.4.210.0030.03814.90
5.4.200.0060.02015.09
5.4.190.0050.02815.10
5.4.180.0030.02315.04
5.4.170.0030.02314.96
5.4.160.0060.03614.94
5.4.150.0050.02014.99
5.4.140.0030.02113.65
5.4.130.0070.01813.61
5.4.120.0020.01913.61
5.4.110.0050.02213.73
5.4.100.0050.02813.57
5.4.90.0050.02113.78
5.4.80.0000.02113.58
5.4.70.0050.02813.61
5.4.60.0060.02313.49
5.4.50.0020.02013.72
5.4.40.0060.01913.62
5.4.30.0050.01913.59
5.4.20.0070.03013.66
5.4.10.0080.03513.68
5.4.00.0040.02113.27
5.3.290.0060.02112.65
5.3.280.0030.02312.58
5.3.270.0050.03912.58
5.3.260.0000.02512.59
5.3.250.0030.02312.61
5.3.240.0050.02012.60
5.3.230.0010.02312.58
5.3.220.0080.03112.56
5.3.210.0020.02212.58
5.3.200.0030.02012.57
5.3.190.0020.02412.56
5.3.180.0070.01812.55
5.3.170.0030.02312.63
5.3.160.0050.02112.59
5.3.150.0030.01812.65
5.3.140.0030.02112.60
5.3.130.0020.02212.52
5.3.120.0020.02712.63
5.3.110.0050.01812.53
5.3.100.0020.02512.27
5.3.90.0030.03312.29
5.3.80.0080.03512.29
5.3.70.0070.03912.34
5.3.60.0030.03812.25
5.3.50.0000.02812.29
5.3.40.0030.04212.21
5.3.30.0080.03712.27
5.3.20.0050.03712.16
5.3.10.0030.03912.11
5.3.00.0030.03712.10
5.2.170.0130.05011.15
5.2.160.0070.05711.16
5.2.150.0070.06011.06
5.2.140.0030.05311.06
5.2.130.0100.05311.20
5.2.120.0070.06011.22
5.2.110.0100.05711.16
5.2.100.0130.05711.12
5.2.90.0030.07011.09
5.2.80.0100.05311.21
5.2.70.0070.04310.98
5.2.60.0030.06011.18
5.2.50.0100.05711.09
5.2.40.0070.05711.07
5.2.30.0030.06310.89
5.2.20.0030.04010.88
5.2.10.0000.06310.88
5.2.00.0030.06010.81
5.1.60.0030.04710.10
5.1.50.0170.03310.08
5.1.40.0100.04310.09
5.1.30.0070.04710.38
5.1.20.0070.05310.48
5.1.10.0100.05310.16
5.1.00.0000.06010.11
5.0.50.0030.0439.78
5.0.40.0030.0239.78
5.0.30.0000.0709.78
5.0.20.0070.0409.78
5.0.10.0030.0439.78
5.0.00.0000.0679.78
4.4.90.0070.0139.78
4.4.80.0000.0379.78
4.4.70.0070.0309.78
4.4.60.0030.0339.78
4.4.50.0030.0339.78
4.4.40.0000.0579.78
4.4.30.0030.0339.78
4.4.20.0000.0339.78
4.4.10.0030.0279.78
4.4.00.0000.0579.78
4.3.110.0030.0379.78
4.3.100.0000.0309.78
4.3.90.0000.0379.78
4.3.80.0000.0439.78
4.3.70.0030.0309.78
4.3.60.0030.0339.78
4.3.50.0070.0309.78
4.3.40.0030.0409.78
4.3.30.0000.0379.78
4.3.20.0000.0379.78
4.3.10.0070.0209.78
4.3.00.0000.0339.78

preferences:
44.69 ms | 400 KiB | 5 Q