3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class first { private $someArray = array(); } class second extends first { private $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)
8.3.60.0100.01018.43
8.3.50.0130.00321.96
8.3.40.0160.00018.84
8.3.30.0040.01119.16
8.3.20.0090.00020.15
8.3.10.0040.00421.90
8.3.00.0000.00720.75
8.2.180.0100.00716.38
8.2.170.0070.01022.96
8.2.160.0100.00719.20
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0130.00726.16
8.2.120.0000.00819.66
8.2.110.0080.00022.31
8.2.100.0000.01019.39
8.2.90.0040.00419.25
8.2.80.0080.00018.03
8.2.70.0040.00417.75
8.2.60.0000.00818.04
8.2.50.0040.00418.07
8.2.40.0030.00518.11
8.2.30.0050.00318.07
8.2.20.0080.00017.56
8.2.10.0040.00417.59
8.2.00.0060.00317.61
8.1.280.0120.00325.92
8.1.270.0060.00318.63
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0090.00023.79
8.1.230.0040.00719.03
8.1.220.0080.00017.79
8.1.210.0030.00518.77
8.1.200.0070.00417.35
8.1.190.0040.00417.53
8.1.180.0000.00818.77
8.1.170.0050.00318.53
8.1.160.0070.00022.15
8.1.150.0000.00718.64
8.1.140.0030.00517.45
8.1.130.0060.00617.79
8.1.120.0000.00717.38
8.1.110.0030.00617.36
8.1.100.0040.00417.38
8.1.90.0070.00017.36
8.1.80.0050.00317.39
8.1.70.0040.00417.45
8.1.60.0000.00817.47
8.1.50.0040.00417.51
8.1.40.0000.00817.54
8.1.30.0030.00517.49
8.1.20.0050.00317.68
8.1.10.0030.00717.42
8.1.00.0040.00417.31
8.0.300.0060.00318.77
8.0.290.0000.00817.05
8.0.280.0070.00018.55
8.0.270.0000.00717.25
8.0.260.0070.00016.89
8.0.250.0030.00316.95
8.0.240.0070.00316.95
8.0.230.0000.00716.93
8.0.220.0030.00316.80
8.0.210.0030.00516.78
8.0.200.0000.00717.00
8.0.190.0080.00016.98
8.0.180.0040.00416.86
8.0.170.0040.00416.88
8.0.160.0040.00416.75
8.0.150.0000.00716.76
8.0.140.0040.00416.87
8.0.130.0000.00713.25
8.0.120.0000.00716.75
8.0.110.0000.00816.80
8.0.100.0040.00416.82
8.0.90.0040.00416.96
8.0.80.0090.00916.91
8.0.70.0040.00416.95
8.0.60.0000.00716.95
8.0.50.0040.00416.91
8.0.30.0060.01217.02
8.0.20.0140.00517.40
8.0.10.0040.00416.82
8.0.00.0110.01216.58
7.4.330.0020.00215.00
7.4.320.0050.00216.51
7.4.300.0060.00016.50
7.4.290.0030.00316.61
7.4.280.0030.00316.51
7.4.270.0070.00016.44
7.4.260.0020.00516.58
7.4.250.0070.00016.45
7.4.240.0030.00316.63
7.4.230.0030.00316.63
7.4.220.0090.00916.61
7.4.210.0140.00316.54
7.4.200.0000.00716.34
7.4.190.0050.00216.38
7.4.160.0060.00916.64
7.4.150.0100.01017.40
7.4.140.0110.01217.86
7.4.130.0100.00816.40
7.4.120.0100.00716.46
7.4.110.0060.01116.37
7.4.100.0070.01016.44
7.4.90.0090.00916.69
7.4.80.0070.01019.39
7.4.70.0090.00916.47
7.4.60.0140.00416.52
7.4.50.0060.00316.07
7.4.40.0030.01522.77
7.4.30.0080.00816.48
7.4.00.0000.01314.74
7.3.330.0000.00613.11
7.3.320.0030.00213.26
7.3.310.0070.00016.23
7.3.300.0000.00716.11
7.3.290.0080.00616.20
7.3.280.0090.00616.27
7.3.270.0070.01117.40
7.3.260.0140.00316.29
7.3.250.0110.00616.24
7.3.240.0160.00316.42
7.3.230.0100.00616.39
7.3.210.0060.01216.14
7.3.200.0030.01319.39
7.3.190.0100.00716.23
7.3.180.0080.00716.21
7.3.170.0000.01516.43
7.3.160.0030.01216.56
7.3.120.0060.00814.71
7.3.110.0030.01314.44
7.3.100.0000.01514.59
7.3.90.0030.00714.68
7.3.80.0060.00614.83
7.3.70.0080.00414.66
7.3.60.0030.00614.74
7.3.50.0040.01214.45
7.3.40.0040.00814.50
7.3.30.0110.00714.65
7.3.20.0090.00616.59
7.3.10.0040.00716.25
7.3.00.0000.01216.54
7.2.330.0030.01316.53
7.2.320.0130.00916.56
7.2.310.0130.01016.44
7.2.300.0300.03116.50
7.2.290.0080.00916.76
7.2.250.0100.01015.20
7.2.240.0060.01314.64
7.2.230.0060.00915.01
7.2.220.0060.00615.09
7.2.210.0040.00715.11
7.2.200.0040.01414.75
7.2.190.0040.00714.98
7.2.180.0080.00815.07
7.2.170.0090.00315.06
7.2.00.0000.01319.20
7.1.330.0000.01315.84
7.1.320.0100.00316.00
7.1.310.0070.01015.53
7.1.300.0040.01215.65
7.1.290.0120.00615.75
7.1.280.0000.01315.66
7.1.270.0000.01415.77
7.1.260.0030.01215.87
7.1.100.0000.01317.84
7.1.70.0000.00817.06
7.1.60.0030.02019.82
7.1.50.0030.00716.63
7.1.00.0030.05322.29
7.0.200.0090.00316.75
7.0.140.0000.07722.04
7.0.60.0100.08020.04
7.0.50.0100.03717.87
7.0.40.0100.05720.25
7.0.30.0300.07020.16
7.0.20.0070.05020.10
7.0.10.0400.08020.26
7.0.00.0030.05020.14
5.6.280.0030.07320.78
5.6.210.0100.08320.57
5.6.200.0030.04718.23
5.6.190.0100.04020.55
5.6.180.3630.05020.54
5.6.170.0300.07720.53
5.6.160.0070.07720.59
5.6.150.0030.04018.25
5.6.140.0130.06018.18
5.6.130.0100.07718.18
5.6.120.0000.05021.12
5.6.110.0100.05020.96
5.6.100.0170.06721.01
5.6.90.0100.07720.95
5.6.80.0100.07020.29
5.6.70.0230.07320.48
5.5.350.0230.07320.44
5.5.340.0030.05318.03
5.5.330.0070.07720.37
5.5.320.0270.05320.34
5.5.310.0270.05020.24
5.5.300.0130.04717.95
5.5.290.0070.03717.95
5.5.280.0070.06720.77
5.5.270.0070.07020.76
5.5.260.0030.04320.76
5.5.250.0030.04020.55
5.5.240.0030.08720.07
5.4.450.0100.05719.70
5.4.440.0800.06019.63
5.4.430.0770.05719.45
5.4.420.0170.04719.47
5.4.410.0600.06719.48
5.4.400.3400.04718.84
5.4.390.2570.07718.71
5.4.380.0270.05718.80
5.4.370.0170.05718.76
5.4.360.0100.05718.54
5.4.350.0060.06912.02
5.4.340.0100.04512.02
5.4.320.0060.03712.50
5.4.310.0100.03412.50
5.4.300.0070.03612.50
5.4.290.0030.04412.50
5.4.280.0090.03212.39
5.4.270.0060.03912.39
5.4.260.0060.03712.39
5.4.250.0130.07318.93
5.4.240.0100.06318.94
5.4.230.0100.05718.89
5.4.220.0100.07718.90
5.4.210.0130.08018.80
5.4.200.0170.07018.93
5.4.190.0170.07318.96
5.4.180.0170.05318.81
5.4.170.0100.06719.09
5.4.160.0130.06018.64
5.4.150.0170.07318.75
5.4.140.0130.06716.40
5.4.130.0100.05316.42
5.4.120.0230.05716.43
5.4.110.0070.05316.57
5.4.100.0170.05016.42
5.4.90.0130.06716.57
5.4.80.0030.06316.45
5.4.70.0130.06716.39
5.4.60.0030.07316.60
5.4.50.0130.04316.46
5.4.40.0270.05016.44
5.4.30.0070.05316.38
5.4.20.0070.05016.30
5.4.10.0200.05716.36
5.4.00.0100.05015.84
5.3.290.0110.04212.80
5.3.280.0130.05314.77
5.3.270.0130.05314.84
5.3.260.0200.07314.74
5.3.250.0130.06714.70
5.3.240.0070.05314.62
5.3.230.0230.05714.58
5.3.220.0100.07314.65
5.3.210.0100.05714.55
5.3.200.0170.06014.59
5.3.190.0100.05314.64
5.3.180.0030.05714.70
5.3.170.0100.05314.79
5.3.160.0030.05314.64
5.3.150.0200.04314.54
5.3.140.0170.05014.72
5.3.130.0070.05714.62
5.3.120.0130.04714.52
5.3.110.0100.05314.64
5.3.100.0130.05714.12
5.3.90.0170.04314.11
5.3.80.0030.06014.11
5.3.70.0070.06714.04
5.3.60.0070.07314.09
5.3.50.0100.06714.13
5.3.40.0100.05013.85
5.3.30.0130.05013.99
5.3.20.0070.05013.88
5.3.10.0130.04313.72
5.3.00.0030.05713.73
5.2.170.0100.05011.36
5.2.160.0100.06011.21
5.2.150.0130.04011.23
5.2.140.0070.05011.23
5.2.130.0100.05311.10
5.2.120.0100.05011.18
5.2.110.0130.03711.01
5.2.100.0170.03011.18
5.2.90.0070.04011.09
5.2.80.0070.05311.18
5.2.70.0000.05711.17
5.2.60.0030.04311.14
5.2.50.0000.05711.03
5.2.40.0070.04311.08
5.2.30.0100.05711.06
5.2.20.0030.04010.86
5.2.10.0030.04710.95
5.2.00.0130.03310.55
5.1.60.0100.04310.00
5.1.50.0030.04010.24
5.1.40.0070.0339.89
5.1.30.0130.02710.32
5.1.20.0070.03710.34
5.1.10.0070.04010.22
5.1.00.0070.04010.04
5.0.50.0100.0378.70
5.0.40.0100.0238.35
5.0.30.0000.0578.14
5.0.20.0070.0338.35
5.0.10.0070.0278.22
5.0.00.0100.0478.27
4.4.90.0000.0237.31
4.4.80.0070.0237.31
4.4.70.0030.0207.31
4.4.60.0030.0207.31
4.4.50.0000.0277.31
4.4.40.0030.0377.31
4.4.30.0030.0207.31
4.4.20.0130.0207.31
4.4.10.0100.0177.31
4.4.00.0130.0377.31
4.3.110.0070.0277.31
4.3.100.0100.0207.31
4.3.90.0070.0177.30
4.3.80.0070.0337.30
4.3.70.0030.0207.30
4.3.60.0100.0307.30
4.3.50.0070.0177.30
4.3.40.0030.0377.30
4.3.30.0030.0237.30
4.3.20.0100.0237.30
4.3.10.0000.0237.30
4.3.00.0130.0206.74

preferences:
62.58 ms | 400 KiB | 5 Q