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)
8.3.60.0120.00618.68
8.3.50.0060.00921.27
8.3.40.0090.01218.71
8.3.30.0040.01120.34
8.3.20.0040.00420.34
8.3.10.0090.00022.13
8.3.00.0000.00722.37
8.2.180.0150.00416.50
8.2.170.0060.01222.96
8.2.160.0060.00920.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00420.72
8.2.110.0100.00019.45
8.2.100.0090.00317.91
8.2.90.0050.00219.02
8.2.80.0040.00417.97
8.2.70.0090.00017.38
8.2.60.0030.00517.90
8.2.50.0040.00418.07
8.2.40.0040.00418.15
8.2.30.0050.00219.44
8.2.20.0000.00717.71
8.2.10.0040.00417.67
8.2.00.0080.00017.56
8.1.280.0100.01025.92
8.1.270.0030.00623.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0090.00022.59
8.1.230.0040.00821.04
8.1.220.0050.00318.77
8.1.210.0000.00919.10
8.1.200.0030.00617.35
8.1.190.0040.00417.41
8.1.180.0060.00318.10
8.1.170.0000.00818.52
8.1.160.0000.00718.86
8.1.150.0070.00018.55
8.1.140.0070.00017.51
8.1.130.0030.00317.79
8.1.120.0050.00217.53
8.1.110.0070.00017.47
8.1.100.0070.00017.51
8.1.90.0050.00217.36
8.1.80.0040.00417.38
8.1.70.0000.00717.42
8.1.60.0030.00617.62
8.1.50.0000.00817.56
8.1.40.0000.00817.56
8.1.30.0000.00717.55
8.1.20.0000.00717.66
8.1.10.0040.00417.55
8.1.00.0050.00217.43
8.0.300.0030.00319.85
8.0.290.0040.00417.16
8.0.280.0000.00718.41
8.0.270.0000.00717.27
8.0.260.0000.00616.87
8.0.250.0000.00716.98
8.0.240.0040.00416.92
8.0.230.0000.00716.95
8.0.220.0030.00316.94
8.0.210.0000.00716.92
8.0.200.0030.00316.99
8.0.190.0080.00016.83
8.0.180.0040.00416.89
8.0.170.0040.00416.90
8.0.160.0070.00016.95
8.0.150.0040.00416.79
8.0.140.0040.00416.84
8.0.130.0000.00513.39
8.0.120.0030.00616.75
8.0.110.0050.00316.93
8.0.100.0040.00416.70
8.0.90.0040.00416.88
8.0.80.0070.01516.84
8.0.70.0000.00716.72
8.0.60.0020.00516.96
8.0.50.0000.00817.00
8.0.30.0080.01417.11
8.0.20.0100.00917.40
8.0.10.0000.00716.90
8.0.00.0060.01516.67
7.4.330.0050.00016.79
7.4.320.0030.00316.57
7.4.300.0060.00016.63
7.4.290.0000.00716.57
7.4.280.0040.00416.66
7.4.270.0000.00616.59
7.4.260.0030.00313.27
7.4.250.0040.00416.38
7.4.240.0050.00216.55
7.4.230.0070.00016.70
7.4.220.0080.00816.59
7.4.210.0080.00916.55
7.4.200.0070.00016.56
7.4.190.0030.00316.54
7.4.160.0040.01616.60
7.4.150.0070.01017.40
7.4.140.0140.00717.86
7.4.130.0100.00716.55
7.4.120.0100.00816.54
7.4.110.0110.00816.28
7.4.100.0160.00316.34
7.4.90.0160.00416.58
7.4.80.0170.00619.39
7.4.70.0100.00716.44
7.4.60.0190.00016.66
7.4.50.0000.00816.39
7.4.40.0060.01222.77
7.4.30.0130.00716.75
7.4.00.0130.00314.86
7.3.330.0050.00013.23
7.3.320.0060.00013.27
7.3.310.0060.00016.34
7.3.300.0060.00316.29
7.3.290.0070.00716.24
7.3.280.0090.00916.21
7.3.270.0100.00717.40
7.3.260.0130.00316.17
7.3.250.0120.00816.38
7.3.240.0040.01216.29
7.3.230.0090.00916.39
7.3.210.0030.01316.09
7.3.200.0160.00619.39
7.3.190.0060.01216.32
7.3.180.0130.00316.27
7.3.170.0130.00316.27
7.3.160.0090.00616.33
7.3.120.0070.00714.58
7.2.330.0090.00916.60
7.2.320.0140.00316.49
7.2.310.0150.00316.60
7.2.300.0050.01116.45
7.2.290.0140.00616.66
7.2.00.0060.00619.43
7.1.100.0000.01518.36
7.1.70.0040.01117.16
7.1.60.0060.00617.25
7.1.50.0040.01816.89
7.1.00.0030.03322.44
7.0.200.0070.01016.76
7.0.140.0070.07022.07
7.0.100.0130.04019.93
7.0.90.0030.04319.91
7.0.80.0200.07719.91
7.0.70.0130.07320.13
7.0.60.0070.08319.89
7.0.50.0300.08320.26
7.0.40.0100.07020.04
7.0.30.0100.08320.13
7.0.20.0030.04020.13
7.0.10.0030.04019.94
7.0.00.0030.08320.08
5.6.280.0030.07320.96
5.6.250.0100.07320.60
5.6.240.0000.06720.55
5.6.230.0070.04020.66
5.6.220.0070.07720.65
5.6.210.0030.04320.66
5.6.200.0100.03321.04
5.6.190.0070.04321.00
5.6.180.0030.04320.99
5.6.170.0130.07321.18
5.6.160.0100.03721.03
5.6.150.0130.05721.02
5.6.140.0100.03721.02
5.6.130.0070.04020.99
5.6.120.0070.04021.09
5.6.110.0100.05321.01
5.6.100.0070.06321.12
5.6.90.0100.04021.08
5.6.80.0100.03720.40
5.6.70.0100.03320.45
5.6.60.0100.07720.39
5.6.50.0030.08720.46
5.6.40.0100.07020.29
5.6.30.0000.05320.39
5.6.20.0030.04720.36
5.6.10.0030.04020.46
5.6.00.0030.04320.52
5.5.380.0070.07720.42
5.5.370.0030.07020.38
5.5.360.0130.05720.54
5.5.350.0070.08020.37
5.5.340.0030.07720.91
5.5.330.0030.08320.89
5.5.320.0100.05020.75
5.5.310.0130.07720.80
5.5.300.0000.08720.88
5.5.290.0100.06320.82
5.5.280.0070.03720.83
5.5.270.0030.08720.88
5.5.260.0030.07320.90
5.5.250.0030.08320.54
5.5.240.0030.08720.17
5.5.230.0030.08020.26
5.5.220.0100.07720.23
5.5.210.0000.09020.02
5.5.200.0200.06320.28
5.5.190.0000.05720.27
5.5.180.0030.08020.24
5.5.160.0070.04320.23
5.5.150.0100.03720.23
5.5.140.0000.04320.21
5.5.130.0070.03020.21
5.5.120.0000.03320.14
5.5.110.0070.03720.21
5.5.100.0030.04020.10
5.5.90.0030.03320.17
5.5.80.0000.04320.04
5.5.70.0170.04320.06
5.5.60.0000.08020.03
5.5.50.0070.06020.07
5.5.40.0070.04019.93
5.5.30.0100.03020.13
5.5.20.0030.08020.04
5.5.10.0030.03720.02
5.5.00.0000.04320.05
5.4.450.0070.07719.45
5.4.440.0030.05319.36
5.4.430.0000.04019.53
5.4.420.0030.03719.55
5.4.410.0100.07019.26
5.4.400.0030.06719.04
5.4.390.0100.07019.18
5.4.380.0100.07718.85
5.4.370.0070.07319.03
5.4.360.0030.07719.09
5.4.350.0100.06719.05
5.4.340.0000.04318.84
5.4.320.0030.04018.85
5.4.310.0030.04319.09
5.4.300.0000.03319.04
5.4.290.0030.03719.03
5.4.280.0070.02719.12
5.4.270.0000.03319.12
5.4.260.0070.03318.84
5.4.250.0000.04019.11
5.4.240.0000.04019.16
5.4.230.0000.04319.13
5.4.220.0030.06319.17
5.4.210.0130.06719.08
5.4.200.0070.04019.11
5.4.190.0070.03319.09
5.4.180.0030.04318.86
5.4.170.0030.05018.88
5.4.160.0000.04718.88
5.4.150.0030.03719.12
5.4.140.0070.03316.41
5.4.130.0030.04316.43
5.4.120.0030.03716.31
5.4.110.0000.03716.52
5.4.100.0030.03716.48
5.4.90.0000.04016.55
5.4.80.0070.03316.31
5.4.70.0100.03316.48
5.4.60.0000.03316.34
5.4.50.0030.03016.50
5.4.40.0070.02716.51
5.4.30.0030.04016.39
5.4.20.0070.03316.53
5.4.10.0070.03316.36
5.4.00.0030.04015.81
5.3.290.0030.04014.63
5.3.280.0070.03014.57
5.3.270.0070.04314.73
5.3.260.0070.03314.71
5.3.250.0030.03714.64
5.3.240.0100.03014.73
5.3.230.0030.04314.63
5.3.220.0000.04314.54
5.3.210.0000.04014.59
5.3.200.0000.04014.50
5.3.190.0030.03714.66
5.3.180.0000.04314.57
5.3.170.0030.04014.49
5.3.160.0000.04014.65
5.3.150.0070.03314.49
5.3.140.0070.04014.55
5.3.130.0030.03314.48
5.3.120.0070.03314.62
5.3.110.0000.03714.64
5.3.100.0030.03013.92
5.3.90.0000.04314.04
5.3.80.0130.02713.91
5.3.70.0000.04013.91
5.3.60.0070.04314.05
5.3.50.0070.03014.04
5.3.40.0000.04013.98
5.3.30.0070.03013.84
5.3.20.0100.05313.76
5.3.10.0030.06013.72
5.3.00.0030.06313.65
5.2.170.0030.03011.92
5.2.160.0000.03711.92
5.2.150.0030.03011.92
5.2.140.0030.03011.92
5.2.130.0130.05711.92
5.2.120.0030.02711.92
5.2.110.0100.02011.92
5.2.100.0000.06711.92
5.2.90.0070.06011.92
5.2.80.0000.03011.92
5.2.70.0070.06011.92
5.2.60.0030.05311.92
5.2.50.0000.05011.92
5.2.40.0000.05011.92
5.2.30.0030.06011.92
5.2.20.0000.06711.92
5.2.10.0070.04311.92
5.2.00.0070.05011.92
5.1.60.0030.03311.92
5.1.50.0100.04711.92
5.1.40.0070.03311.92
5.1.30.0030.06011.92
5.1.20.0030.05711.92
5.1.10.0000.04011.92
5.1.00.0000.04311.92
5.0.50.0030.05011.92
5.0.40.0000.03311.92
5.0.30.0030.03711.92
5.0.20.0030.02311.92
5.0.10.0000.03011.92
5.0.00.0000.03711.92
4.4.90.0030.03711.92
4.4.80.0070.03311.92
4.4.70.0000.04011.92
4.4.60.0030.03011.92
4.4.50.0000.03711.92
4.4.40.0070.05011.92
4.4.30.0100.03011.92
4.4.20.0030.03711.92
4.4.10.0070.03011.92
4.4.00.0030.05311.92
4.3.110.0000.03711.92
4.3.100.0000.03711.92
4.3.90.0030.03011.92
4.3.80.0030.02711.92
4.3.70.0000.02711.92
4.3.60.0070.02711.92
4.3.50.0000.02311.92
4.3.40.0000.05311.92
4.3.30.0000.03311.92
4.3.20.0100.01011.92
4.3.10.0000.04011.92
4.3.00.0030.02711.92

preferences:
42.61 ms | 401 KiB | 5 Q