3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class first { protected $someArray = array(); } class second extends first { protected $someArray = array(); protected $someValue = null; public function __construct($someValue) { $this->someValue = $someValue; } } $objFirst = new second('123'); $objSecond = new second('321'); var_dump($objFirst == $objSecond); print_r($objFirst); var_dump($objFirst == $objSecond);

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)
8.3.60.0170.00318.68
8.3.50.0120.00516.60
8.3.40.0070.01118.69
8.3.30.0140.00018.71
8.3.20.0000.00818.64
8.3.10.0090.00020.40
8.3.00.0090.00017.25
8.2.180.0120.00316.75
8.2.170.0070.00722.96
8.2.160.0070.00722.02
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00719.95
8.2.110.0030.00621.00
8.2.100.0000.01117.79
8.2.90.0040.00418.22
8.2.80.0000.00817.97
8.2.70.0000.00817.48
8.2.60.0080.00017.68
8.2.50.0030.00618.07
8.2.40.0050.00218.16
8.2.30.0040.00418.12
8.2.20.0060.00317.64
8.2.10.0080.00017.56
8.2.00.0060.00317.73
8.1.280.0110.00425.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0020.00528.09
8.1.240.0060.00323.76
8.1.230.0040.00720.91
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0030.00517.22
8.1.180.0080.00018.10
8.1.170.0040.00418.86
8.1.160.0000.00718.89
8.1.150.0040.00418.52
8.1.140.0000.00717.46
8.1.130.0000.00717.83
8.1.120.0000.00717.45
8.1.110.0080.00017.53
8.1.100.0040.00417.44
8.1.90.0040.00417.41
8.1.80.0030.00417.39
8.1.70.0000.00717.42
8.1.60.0000.00817.56
8.1.50.0000.00817.47
8.1.40.0040.00417.40
8.1.30.0000.00717.57
8.1.20.0030.00517.57
8.1.10.0080.00017.42
8.1.00.0000.00717.50
8.0.300.0040.00420.16
8.0.290.0080.00016.75
8.0.280.0030.00318.36
8.0.270.0000.00717.16
8.0.260.0030.00316.69
8.0.250.0040.00417.02
8.0.240.0000.00717.00
8.0.230.0020.00516.84
8.0.220.0000.00716.80
8.0.210.0030.00316.89
8.0.200.0030.00316.96
8.0.190.0040.00416.87
8.0.180.0000.00716.95
8.0.170.0080.00016.88
8.0.160.0030.00316.91
8.0.150.0000.00716.88
8.0.140.0070.00316.86
8.0.130.0000.00713.40
8.0.120.0000.00816.82
8.0.110.0000.00716.72
8.0.100.0000.00716.76
8.0.90.0050.00216.88
8.0.80.0060.01016.93
8.0.70.0070.00016.88
8.0.60.0000.00716.92
8.0.50.0000.00716.92
8.0.30.0110.00816.80
8.0.20.0090.01017.07
8.0.10.0000.00816.98
8.0.00.0090.01016.72
7.4.330.0000.00514.77
7.4.320.0040.00416.50
7.4.300.0040.00416.50
7.4.290.0070.00016.49
7.4.280.0080.00016.47
7.4.270.0000.00716.38
7.4.260.0000.00613.27
7.4.250.0000.00816.52
7.4.240.0040.00416.57
7.4.230.0000.00716.33
7.4.220.0120.01016.54
7.4.210.0050.01116.61
7.4.200.0000.00716.39
7.4.190.0030.00316.48
7.4.160.0060.00916.34
7.4.150.0070.01417.07
7.4.140.0080.00817.08
7.4.130.0070.01116.59
7.4.120.0060.01216.52
7.4.110.0130.01016.71
7.4.100.0070.01116.55
7.4.90.0060.01316.60
7.4.80.0130.00918.80
7.4.70.0100.00816.38
7.4.60.0100.00716.38
7.4.50.0000.00616.54
7.4.40.0030.01322.27
7.4.30.0110.01116.57
7.4.00.0070.01015.17
7.3.330.0000.00513.24
7.3.320.0030.00313.16
7.3.310.0070.00016.29
7.3.300.0040.00416.19
7.3.290.0040.01116.18
7.3.280.0090.01016.23
7.3.270.0100.01317.07
7.3.260.0110.00618.24
7.3.250.0120.00916.48
7.3.240.0080.00816.27
7.3.230.0100.00616.43
7.3.210.0110.00916.21
7.3.200.0140.00319.39
7.3.190.0100.01316.49
7.3.180.0090.00616.22
7.3.170.0090.00916.27
7.3.160.0070.01616.30
7.3.120.0030.00914.63
7.2.330.0060.01116.50
7.2.320.0130.00916.60
7.2.310.0120.00916.64
7.2.300.0100.00716.57
7.2.290.0070.01016.56
7.2.00.0110.00419.49
7.1.200.0100.00315.73
7.1.100.0000.01118.23
7.1.70.0100.00317.21
7.1.60.0130.00719.40
7.1.50.0040.01116.96
7.1.00.0030.07722.45
7.0.200.0050.00516.67
7.0.140.0070.07021.99
7.0.60.0230.04719.83
7.0.50.0170.07017.98
7.0.40.0030.06717.73
7.0.30.0170.05017.84
7.0.20.0170.07317.75
7.0.10.0130.05317.85
7.0.00.0170.08017.71
5.6.280.0070.06721.03
5.6.210.0130.07320.48
5.6.200.0070.08318.15
5.6.190.0070.08018.18
5.6.180.0070.08018.23
5.6.170.0200.06718.16
5.6.160.0070.07018.12
5.6.150.0130.07318.29
5.6.140.0070.07718.18
5.6.130.0070.06718.29
5.6.120.0170.07318.14
5.6.110.0070.08318.29
5.6.100.0030.06318.17
5.6.90.0100.08018.27
5.6.80.0030.04317.57
5.6.70.0230.04317.50
5.6.60.0070.05317.66
5.6.50.0030.06017.68
5.6.40.0000.05317.61
5.6.30.0070.03717.61
5.6.20.0230.04717.54
5.6.10.0000.08317.52
5.6.00.0070.07717.54
5.5.350.0370.06720.43
5.5.340.0030.06717.98
5.5.330.0100.07018.09
5.5.320.0100.05718.02
5.5.310.0070.06717.92
5.5.300.0100.07717.97
5.5.290.0130.07718.09
5.5.280.0070.08718.02
5.5.270.0030.05017.91
5.5.260.0030.08317.98
5.5.250.0000.06717.88
5.5.240.0100.05017.42
5.5.230.0000.06017.33
5.5.220.0070.08017.32
5.5.210.0030.05317.45
5.5.200.0130.06017.37
5.5.190.0070.04017.33
5.5.180.0030.07717.42
5.5.160.0200.06717.33
5.5.150.0100.06317.42
5.5.140.0070.06317.39
5.5.130.0000.06017.40
5.5.120.0100.06317.34
5.5.110.0030.08017.29
5.5.100.0070.05317.33
5.5.90.0100.05317.23
5.5.80.0100.07317.23
5.5.70.0130.05717.16
5.5.60.0030.03717.20
5.5.50.0000.05017.22
5.5.40.0070.05317.32
5.5.30.0070.04717.32
5.5.20.0070.05017.21
5.5.10.0170.06317.21
5.5.00.0030.08017.20
5.4.450.0070.08719.39
5.4.440.0070.08719.37
5.4.430.0000.07719.37
5.4.420.0030.07719.30
5.4.410.0130.06319.08
5.4.400.0000.04318.99
5.4.390.0100.07319.12
5.4.380.0030.04019.01
5.4.370.0070.06019.05
5.4.360.0100.04019.03
5.4.350.0030.04018.95
5.4.340.0100.04719.14
5.4.320.0100.07319.04
5.4.310.0130.05718.95
5.4.300.0000.05318.95
5.4.290.0100.05718.88
5.4.280.0070.08318.88
5.4.270.0070.08019.09
5.4.260.0070.07719.00
5.4.250.0000.06019.12
5.4.240.0030.04319.13
5.4.230.0100.06318.89
5.4.220.0030.08018.88
5.4.210.0030.05018.97
5.4.200.0070.07319.09
5.4.190.0070.07318.97
5.4.180.0100.07719.02
5.4.170.0070.05718.87
5.4.160.0100.06319.00
5.4.150.0070.06319.01
5.4.140.0100.07016.48
5.4.130.0030.04316.48
5.4.120.0030.08016.39
5.4.110.0170.06316.35
5.4.100.0100.05316.46
5.4.90.0030.04316.48
5.4.80.0000.08016.43
5.4.70.0200.06016.58
5.4.60.0030.07016.29
5.4.50.0070.04316.27
5.4.40.0030.05316.50
5.4.30.0100.06316.41
5.4.20.0030.07016.37
5.4.10.0070.04716.61
5.4.00.0030.04015.74
5.3.290.0130.07014.71
5.3.280.0130.03714.61
5.3.270.0130.06714.60
5.3.260.0070.07714.45
5.3.250.0030.05014.45
5.3.240.0030.07714.66
5.3.230.0000.04314.70
5.3.220.0000.06714.60
5.3.210.0070.05014.59
5.3.200.0100.05014.57
5.3.190.0030.06714.60
5.3.180.0130.07014.62
5.3.170.0100.07714.63
5.3.160.0070.06314.52
5.3.150.0070.04714.59
5.3.140.0100.07014.60
5.3.130.0100.05314.50
5.3.120.0030.05014.59
5.3.110.0070.07714.75
5.3.100.0070.04014.07
5.3.90.0070.07314.08
5.3.80.0070.07014.05
5.3.70.0130.03314.07
5.3.60.0030.04714.04
5.3.50.0030.08013.93
5.3.40.0030.06013.98
5.3.30.0100.06713.95
5.3.20.0100.05713.73
5.3.10.0070.07313.64
5.3.00.0000.07713.66
5.2.170.0130.04311.00
5.2.160.0100.03311.19
5.2.150.0100.03311.04
5.2.140.0030.06711.15
5.2.130.0030.05011.15
5.2.120.0030.06311.07
5.2.110.0100.06011.21
5.2.100.0070.05711.17
5.2.90.0070.06711.14
5.2.80.0070.06711.13
5.2.70.0000.07011.11
5.2.60.0070.06311.10
5.2.50.0100.05311.08
5.2.40.0030.03311.04
5.2.30.0130.06011.18
5.2.20.0100.03010.95
5.2.10.0000.06710.96
5.2.00.0100.04710.81
5.1.60.0130.0439.96
5.1.50.0100.04310.21
5.1.40.0030.02310.07
5.1.30.0030.05010.38
5.1.20.0100.05310.40
5.1.10.0100.05010.12
5.1.00.0030.05710.12
5.0.50.0030.0208.62
5.0.40.0000.0308.32
5.0.30.0030.0378.21
5.0.20.0000.0278.25
5.0.10.0000.0408.38
5.0.00.0070.0638.14
4.4.90.0000.0337.46
4.4.80.0000.0237.46
4.4.70.0030.0207.46
4.4.60.0000.0207.46
4.4.50.0000.0377.46
4.4.40.0100.0437.46
4.4.30.0000.0277.46
4.4.20.0000.0407.46
4.4.10.0030.0207.46
4.4.00.0030.0477.46
4.3.110.0070.0177.46
4.3.100.0030.0177.46
4.3.90.0030.0277.46
4.3.80.0030.0537.46
4.3.70.0000.0277.46
4.3.60.0000.0277.46
4.3.50.0000.0377.46
4.3.40.0000.0407.46
4.3.30.0070.0277.46
4.3.20.0000.0377.46
4.3.10.0070.0277.46
4.3.00.0000.0337.46

preferences:
40.45 ms | 401 KiB | 5 Q