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('3298089'); $objSecond = new second('321'); var_dump ($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)
8.3.60.0100.00718.15
8.3.50.0100.01021.27
8.3.40.0100.01018.80
8.3.30.0040.01120.20
8.3.20.0040.00420.29
8.3.10.0000.00822.00
8.3.00.0050.00322.48
8.2.180.0040.01116.63
8.2.170.0120.00622.96
8.2.160.0110.00420.47
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00420.74
8.2.110.0070.00319.45
8.2.100.0080.00417.78
8.2.90.0060.00319.21
8.2.80.0000.00719.43
8.2.70.0080.00017.50
8.2.60.0000.00817.80
8.2.50.0090.00018.07
8.2.40.0070.00018.21
8.2.30.0000.00719.43
8.2.20.0000.00817.69
8.2.10.0000.00817.66
8.2.00.0000.00817.57
8.1.280.0150.00425.92
8.1.270.0030.00523.99
8.1.260.0100.00326.35
8.1.250.0040.00428.09
8.1.240.0070.00322.54
8.1.230.0040.00720.88
8.1.220.0050.00318.77
8.1.210.0110.00020.82
8.1.200.0000.00917.36
8.1.190.0080.00017.63
8.1.180.0040.00418.10
8.1.170.0060.00318.67
8.1.160.0040.00418.93
8.1.150.0000.00918.52
8.1.140.0000.00717.36
8.1.130.0000.00817.71
8.1.120.0040.00417.34
8.1.110.0000.00817.34
8.1.100.0070.00017.44
8.1.90.0070.00017.44
8.1.80.0050.00317.43
8.1.70.0030.00317.45
8.1.60.0060.00317.57
8.1.50.0040.00417.48
8.1.40.0040.00417.56
8.1.30.0000.00717.61
8.1.20.0040.00417.54
8.1.10.0040.00417.59
8.1.00.0050.00217.34
8.0.300.0040.00419.82
8.0.290.0080.00017.18
8.0.280.0000.00718.48
8.0.270.0000.00717.34
8.0.260.0030.00316.73
8.0.250.0000.00717.00
8.0.240.0070.00316.96
8.0.230.0030.00516.91
8.0.220.0030.00316.89
8.0.210.0000.00716.76
8.0.200.0040.00416.92
8.0.190.0030.00616.99
8.0.180.0070.00016.80
8.0.170.0000.00816.84
8.0.160.0040.00416.89
8.0.150.0000.00716.80
8.0.140.0060.00316.74
8.0.130.0000.00613.32
8.0.120.0040.00416.89
8.0.110.0040.00416.79
8.0.100.0000.00716.80
8.0.90.0050.00316.89
8.0.80.0070.01016.79
8.0.70.0000.00716.75
8.0.60.0000.00716.85
8.0.50.0000.00716.77
8.0.30.0170.00416.90
8.0.20.0110.00817.40
8.0.10.0040.00417.06
8.0.00.0090.00916.77
7.4.330.0050.00016.80
7.4.320.0000.00716.57
7.4.300.0030.00316.61
7.4.290.0070.00016.40
7.4.280.0080.00016.39
7.4.270.0040.00416.64
7.4.260.0000.00513.22
7.4.250.0000.00716.47
7.4.240.0010.00616.61
7.4.230.0030.00316.59
7.4.220.0100.01016.47
7.4.210.0060.00816.55
7.4.200.0000.00716.33
7.4.190.0050.00316.76
7.4.160.0060.00916.59
7.4.150.0110.00717.40
7.4.140.0070.01417.86
7.4.130.0140.00616.63
7.4.120.0140.00516.60
7.4.110.0070.01016.46
7.4.100.0030.01616.45
7.4.90.0110.00516.52
7.4.80.0070.01019.39
7.4.70.0120.00316.58
7.4.60.0100.00616.50
7.4.50.0060.00316.65
7.4.40.0120.00622.77
7.4.30.0070.01016.48
7.4.00.0000.01414.95
7.3.330.0060.00013.25
7.3.320.0000.00513.00
7.3.310.0060.00016.27
7.3.300.0030.00316.11
7.3.290.0090.00616.22
7.3.280.0120.00616.22
7.3.270.0000.01917.40
7.3.260.0090.00916.51
7.3.250.0070.01216.40
7.3.240.0100.00716.55
7.3.230.0110.00716.46
7.3.210.0060.01016.44
7.3.200.0000.01719.39
7.3.190.0140.00716.28
7.3.180.0130.00316.47
7.3.170.0090.00616.31
7.3.160.0130.00616.26
7.3.120.0040.00814.57
7.2.330.0130.00316.69
7.2.320.0110.00616.54
7.2.310.0130.01016.68
7.2.300.0100.00716.41
7.2.290.0000.01616.50
7.1.100.0030.00818.11
7.1.70.0000.00917.15
7.1.60.0140.01019.17
7.1.50.0100.01316.57
7.1.00.0000.04722.42
7.0.200.0040.00416.57
7.0.140.0070.07022.07
7.0.60.0170.07721.59
7.0.50.0100.06717.88
7.0.40.0030.07320.09
7.0.30.0330.07320.17
7.0.20.0330.08020.06
7.0.10.0030.08320.21
7.0.00.0000.04720.09
5.6.280.0000.07721.02
5.6.210.0170.06320.54
5.6.200.0000.04718.19
5.6.190.0030.04320.41
5.6.180.0530.04320.53
5.6.170.0330.06320.47
5.6.160.0000.06320.45
5.6.150.0070.04718.16
5.6.140.0030.08718.15
5.6.130.0030.08318.16
5.6.120.0100.08021.14
5.6.110.0030.09021.14
5.6.100.0000.09020.96
5.6.90.0070.07720.88
5.6.80.0070.05320.39
5.5.350.0230.07720.32
5.5.340.0070.04717.99
5.5.330.0030.04020.42
5.5.320.0170.06020.42
5.5.310.0330.05320.29
5.5.300.0030.07017.98
5.5.290.0070.08017.97
5.5.280.0070.04020.80
5.5.270.0200.07020.95
5.5.260.0070.04320.76
5.5.250.0070.03720.49
5.5.240.0130.08320.16
5.4.450.0270.03719.37
5.4.440.0430.05319.26
5.4.430.0270.04719.25
5.4.420.0170.05019.31
5.4.410.0300.06319.26
5.4.400.0400.05719.06
5.4.390.0400.05019.13
5.4.380.0230.03719.13
5.4.370.0330.06018.93
5.4.360.0430.06019.23
5.4.350.0230.04719.07
5.4.340.0300.07019.26
5.4.320.0270.07319.13
5.4.310.0330.06719.23
5.4.300.0300.07019.22
5.4.290.0330.06719.13
5.4.280.0270.07019.23
5.4.270.0230.04719.13
5.4.260.0330.04718.96
5.4.250.0270.03318.95
5.4.240.0370.04719.06
5.4.230.0230.04019.04
5.4.220.0330.07318.97
5.4.210.0200.08319.12
5.4.200.0270.05019.16
5.4.190.0270.05719.05
5.4.180.0230.04719.07
5.4.170.0270.04019.15
5.4.160.0330.06719.11
5.4.150.0270.05719.04
5.4.140.0270.04016.43
5.4.130.0300.03716.39
5.4.120.0430.05316.43
5.4.110.0200.04016.53
5.4.100.0330.03016.61
5.4.90.0300.07016.50
5.4.80.0300.04716.31
5.4.70.0330.06716.51
5.4.60.0230.07716.42
5.4.50.0270.05016.52
5.4.40.0230.03716.46
5.4.30.0230.04016.19
5.4.20.0230.05316.53
5.4.10.0200.06716.54
5.4.00.0300.07015.72
5.3.290.0270.04714.67
5.3.280.0300.07714.60
5.3.270.0230.05714.60
5.3.260.0330.05714.60
5.3.250.0300.06314.75
5.3.240.0270.07014.68
5.3.230.0270.04314.60
5.3.220.0270.06714.60
5.3.210.0230.04714.60
5.3.200.0230.04014.57
5.3.190.0300.06014.66
5.3.180.0230.04314.59
5.3.170.0270.04014.61
5.3.160.0330.06714.56
5.3.150.0300.05714.58
5.3.140.0300.05714.59
5.3.130.0270.05014.59
5.3.120.0230.05314.70
5.3.110.0270.07314.59
5.3.100.0330.07714.04
5.3.90.0200.04013.91
5.3.80.0330.06014.07
5.3.70.0230.04014.07
5.3.60.0270.03714.08
5.3.50.0300.06714.11
5.3.40.0330.07013.94
5.3.30.0430.05713.97
5.3.20.0370.04013.69
5.3.10.0370.06313.71
5.3.00.0370.06713.69
5.2.170.0270.05711.30
5.2.160.0200.03311.20
5.2.150.0300.06011.10
5.2.140.0230.03311.19
5.2.130.0200.04011.27
5.2.120.0170.04011.16
5.2.110.0230.03011.14
5.2.100.0430.02311.01
5.2.90.0270.05011.02
5.2.80.0230.03011.07
5.2.70.0170.06011.17
5.2.60.0230.06311.06
5.2.50.0270.06011.20
5.2.40.0300.05711.05
5.2.30.0300.03011.13
5.2.20.0300.04310.88
5.2.10.0230.03010.91
5.2.00.0230.04710.65
5.1.60.0300.03010.05
5.1.50.0270.0539.96
5.1.40.0200.0239.95
5.1.30.0170.03710.38
5.1.20.0100.02710.42
5.1.10.0200.02710.09
5.1.00.0130.05010.04
5.0.50.0100.0338.46
5.0.40.0170.0378.38
5.0.30.0130.0578.13
5.0.20.0130.0408.25
5.0.10.0130.0378.18
5.0.00.0100.0638.16
4.4.90.0100.0238.07
4.4.80.0130.0338.07
4.4.70.0200.0178.07
4.4.60.0100.0338.07
4.4.50.0100.0238.07
4.4.40.0130.0508.07
4.4.30.0070.0238.07
4.4.20.0130.0138.07
4.4.10.0030.0408.07
4.4.00.0100.0338.07
4.3.110.0130.0138.07
4.3.100.0100.0278.07
4.3.90.0170.0208.07
4.3.80.0100.0408.07
4.3.70.0130.0238.07
4.3.60.0100.0338.07
4.3.50.0130.0338.07
4.3.40.0200.0408.07
4.3.30.0030.0378.07
4.3.20.0030.0378.07
4.3.10.0030.0278.07
4.3.00.0070.0338.07

preferences:
52.17 ms | 400 KiB | 5 Q