3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class first { protected $someArray = array(); } class second extends first { protected $someValue = null; protected $someArray = array(); public function __construct($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)
8.3.40.0100.01018.90
8.3.30.0040.01120.32
8.3.20.0040.00420.39
8.3.10.0080.00022.09
8.3.00.0000.00822.43
8.2.170.0170.00322.96
8.2.160.0040.01120.57
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00020.63
8.2.110.0030.00722.24
8.2.100.0040.00717.91
8.2.90.0000.00817.84
8.2.80.0030.00517.97
8.2.70.0080.00017.50
8.2.60.0030.00517.93
8.2.50.0030.00618.07
8.2.40.0000.00817.96
8.2.30.0000.00719.50
8.2.20.0000.00817.61
8.2.10.0000.00817.69
8.2.00.0000.00817.55
8.1.270.0090.00023.99
8.1.260.0000.01426.35
8.1.250.0000.00828.09
8.1.240.0180.00022.46
8.1.230.0080.00320.88
8.1.220.0000.00717.74
8.1.210.0030.00518.96
8.1.200.0080.00817.38
8.1.190.0040.00417.35
8.1.180.0050.00318.10
8.1.170.0000.00918.51
8.1.160.0000.00718.95
8.1.150.0040.00418.64
8.1.140.0000.00717.45
8.1.130.0030.00317.70
8.1.120.0050.00317.37
8.1.110.0030.00417.45
8.1.100.0040.00417.38
8.1.90.0040.00417.50
8.1.80.0040.00417.38
8.1.70.0030.00317.48
8.1.60.0000.00817.57
8.1.50.0070.00017.48
8.1.40.0000.00717.48
8.1.30.0040.00417.55
8.1.20.0060.00317.56
8.1.10.0000.00717.54
8.1.00.0000.00817.31
8.0.300.0040.00419.98
8.0.290.0070.00016.63
8.0.280.0030.00318.35
8.0.270.0030.00317.26
8.0.260.0030.00316.68
8.0.250.0030.00316.87
8.0.240.0000.00816.96
8.0.230.0000.00716.90
8.0.220.0070.00016.86
8.0.210.0000.00716.90
8.0.200.0000.00616.86
8.0.190.0000.00816.93
8.0.180.0000.00716.95
8.0.170.0040.00416.90
8.0.160.0050.00316.94
8.0.150.0000.00716.79
8.0.140.0050.00216.74
8.0.130.0000.00513.34
8.0.120.0000.00716.75
8.0.110.0040.00416.90
8.0.100.0040.00416.92
8.0.90.0040.00416.92
8.0.80.0070.01016.88
8.0.70.0020.00516.78
8.0.60.0000.00716.96
8.0.50.0080.00016.91
8.0.30.0120.00617.06
8.0.20.0110.00817.40
8.0.10.0000.00717.04
8.0.00.0080.01116.65
7.4.330.0050.00016.78
7.4.320.0040.00416.50
7.4.300.0000.00616.59
7.4.290.0000.00716.49
7.4.280.0060.00016.50
7.4.270.0020.00516.54
7.4.260.0050.00013.18
7.4.250.0050.00316.57
7.4.240.0020.00516.60
7.4.230.0070.00016.58
7.4.220.0120.00916.70
7.4.210.0070.00916.51
7.4.200.0040.00416.50
7.4.190.0000.00716.65
7.4.160.0130.00316.51
7.4.150.0090.00917.40
7.4.140.0080.01017.86
7.4.130.0050.01116.59
7.4.120.0070.01516.53
7.4.110.0140.00316.34
7.4.100.0070.01116.59
7.4.90.0090.00916.44
7.4.80.0090.01019.39
7.4.70.0060.00916.55
7.4.60.0060.00916.62
7.4.50.0090.00016.56
7.4.40.0070.01022.77
7.4.30.0070.01016.20
7.4.00.0020.01015.13
7.3.330.0000.00613.10
7.3.320.0050.00013.24
7.3.310.0030.00316.31
7.3.300.0040.00416.24
7.3.290.0000.01416.21
7.3.280.0100.00816.24
7.3.270.0070.01017.40
7.3.260.0100.00716.46
7.3.250.0120.00516.30
7.3.240.0060.01116.46
7.3.230.0130.00916.39
7.3.210.0120.00616.26
7.3.200.0030.01319.39
7.3.190.0110.00816.43
7.3.180.0100.01016.32
7.3.170.0150.00616.60
7.3.160.0100.00716.34
7.3.120.0030.01314.64
7.3.10.0070.00316.36
7.3.00.0000.00916.28
7.2.330.0080.01616.73
7.2.320.0120.01016.55
7.2.310.0100.00716.71
7.2.300.0130.00316.59
7.2.290.0100.00716.77
7.2.130.0070.00416.86
7.2.120.0070.00716.95
7.2.110.0000.00816.83
7.2.100.0070.00716.98
7.2.90.0080.00517.04
7.2.80.0100.00316.71
7.2.70.0070.00716.48
7.2.60.0140.00016.51
7.2.50.0060.00617.00
7.2.40.0040.00816.75
7.2.30.0100.00316.97
7.2.20.0030.01217.00
7.2.10.0040.01116.72
7.2.00.0080.00518.02
7.1.250.0100.00015.59
7.1.240.0030.00315.81
7.1.230.0060.00615.88
7.1.220.0030.00615.39
7.1.210.0060.00315.61
7.1.200.0050.00915.88
7.1.190.0000.00815.91
7.1.180.0030.01315.83
7.1.170.0060.00615.62
7.1.160.0100.00315.70
7.1.150.0110.00015.93
7.1.140.0030.00615.79
7.1.130.0080.00615.93
7.1.120.0030.01315.70
7.1.110.0060.00315.92
7.1.100.0040.01016.71
7.1.90.0030.00715.83
7.1.80.0060.00615.81
7.1.70.0030.00516.55
7.1.60.0090.00717.40
7.1.50.0090.00816.26
7.1.40.0000.00815.72
7.1.30.0070.00315.72
7.1.20.0030.01015.86
7.1.10.0090.00615.60
7.1.00.0030.02319.14
7.0.330.0060.00315.48
7.0.320.0060.00915.15
7.0.310.0060.00315.66
7.0.300.0040.01115.33
7.0.290.0030.00915.23
7.0.280.0030.00915.35
7.0.270.0100.00415.14
7.0.260.0040.01115.28
7.0.250.0090.00315.18
7.0.240.0080.00615.41
7.0.230.0060.00615.49
7.0.220.0030.00615.40
7.0.210.0050.00515.48
7.0.200.0040.00616.08
7.0.190.0030.00515.27
7.0.180.0040.00715.40
7.0.170.0030.00915.50
7.0.160.0000.01415.50
7.0.150.0080.00815.60
7.0.140.0060.03518.67
7.0.130.0050.00315.50
7.0.120.0100.00315.49
7.0.110.0070.00715.23
7.0.100.0140.04417.78
7.0.90.0020.02917.82
7.0.80.0060.02617.75
7.0.70.0080.03217.74
7.0.60.0180.03217.75
7.0.50.0050.02417.90
7.0.40.0030.02516.79
7.0.30.0080.04516.79
7.0.20.0030.02516.72
7.0.10.0100.02216.84
7.0.00.0010.02816.89
5.6.380.0000.01114.53
5.6.370.0070.00714.51
5.6.360.0040.01214.56
5.6.350.0040.01114.48
5.6.340.0070.00714.22
5.6.330.0000.00814.36
5.6.320.0110.00314.13
5.6.310.0070.01113.93
5.6.300.0070.00714.46
5.6.290.0070.00713.96
5.6.280.0050.04017.63
5.6.270.0060.00914.27
5.6.260.0070.01014.34
5.6.250.0020.04517.48
5.6.240.0100.04417.48
5.6.230.0070.02817.54
5.6.220.0070.03517.36
5.6.210.0070.02517.61
5.6.200.0100.04417.74
5.6.190.0100.02017.80
5.6.180.0030.02617.68
5.6.170.0110.02417.67
5.6.160.0080.02217.67
5.6.150.0030.02717.62
5.6.140.0020.02817.57
5.6.130.0030.02717.56
5.6.120.0080.02017.61
5.6.110.0070.02217.54
5.6.100.0070.02317.63
5.6.90.0050.02317.81
5.6.80.0060.03117.42
5.6.70.0040.02417.30
5.6.60.0050.03917.36
5.6.50.0040.02317.41
5.6.40.0010.02617.39
5.6.30.0070.02317.22
5.6.20.0020.02517.33
5.6.10.0050.02517.39
5.6.00.0070.02217.16
5.5.380.0050.04015.77
5.5.370.0050.04015.94
5.5.360.0090.03915.71
5.5.350.0000.02915.71
5.5.340.0060.04115.86
5.5.330.0020.02515.83
5.5.320.0080.02616.12
5.5.310.0100.02216.17
5.5.300.0080.02015.92
5.5.290.0060.02416.10
5.5.280.0070.02215.90
5.5.270.0050.01816.08
5.5.260.0030.02016.15
5.5.250.0080.02015.97
5.5.240.0050.02715.61
5.5.230.0030.03315.58
5.5.220.0020.02215.63
5.5.210.0070.03715.63
5.5.200.0100.01915.72
5.5.190.0050.02015.48
5.5.180.0050.02015.62
5.5.170.0030.00711.02
5.5.160.0030.02515.55
5.5.150.0020.02615.54
5.5.140.0050.02215.62
5.5.130.0070.02115.56
5.5.120.0000.02515.47
5.5.110.0010.02315.60
5.5.100.0030.02615.60
5.5.90.0070.02015.54
5.5.80.0080.02015.52
5.5.70.0050.02015.52
5.5.60.0080.02015.56
5.5.50.0030.02115.58
5.5.40.0040.02315.53
5.5.30.0040.02215.38
5.5.20.0000.02515.61
5.5.10.0030.02615.58
5.5.00.0060.02015.60
5.4.450.0060.02215.28
5.4.440.0030.02015.25
5.4.430.0040.01915.24
5.4.420.0020.02315.08
5.4.410.0000.02415.25
5.4.400.0050.03515.18
5.4.390.0060.01815.05
5.4.380.0020.02014.96
5.4.370.0000.02414.92
5.4.360.0060.02215.08
5.4.350.0050.02214.96
5.4.340.0030.02315.01
5.4.330.0030.00611.18
5.4.320.0020.02314.99
5.4.310.0060.01814.97
5.4.300.0000.02415.06
5.4.290.0070.02015.07
5.4.280.0020.02215.03
5.4.270.0030.02115.01
5.4.260.0030.02315.09
5.4.250.0080.01715.00
5.4.240.0030.02215.16
5.4.230.0050.02014.78
5.4.220.0020.02415.07
5.4.210.0070.01815.03
5.4.200.0060.01815.04
5.4.190.0050.01815.04
5.4.180.0040.02015.08
5.4.170.0030.02515.02
5.4.160.0070.02114.93
5.4.150.0050.02114.85
5.4.140.0020.02113.78
5.4.130.0050.01813.64
5.4.120.0020.01813.71
5.4.110.0030.02513.55
5.4.100.0080.01513.78
5.4.90.0030.02113.88
5.4.80.0010.02313.57
5.4.70.0070.03313.82
5.4.60.0070.02013.86
5.4.50.0050.03513.54
5.4.40.0040.02313.85
5.4.30.0010.04013.55
5.4.20.0060.02313.81
5.4.10.0080.03513.62
5.4.00.0030.03913.40
5.3.290.0040.02412.70
5.3.280.0050.02012.64
5.3.270.0030.02312.65
5.3.260.0020.02312.59
5.3.250.0090.02012.67
5.3.240.0060.01712.56
5.3.230.0020.02112.53
5.3.220.0060.02012.53
5.3.210.0050.02212.38
5.3.200.0080.01712.45
5.3.190.0020.03812.42
5.3.180.0020.04212.54
5.3.170.0030.04212.46
5.3.160.0030.04012.49
5.3.150.0070.03212.44
5.3.140.0060.03312.51
5.3.130.0090.02212.43
5.3.120.0030.02812.54
5.3.110.0060.03612.51
5.3.100.0050.03312.34
5.3.90.0030.04312.20
5.3.80.0070.02512.20
5.3.70.0050.03012.23
5.3.60.0110.03012.37
5.3.50.0080.03712.20
5.3.40.0060.02012.22
5.3.30.0050.03712.07
5.3.20.0070.03012.10
5.3.10.0010.02611.93
5.3.00.0090.03312.03
5.2.170.0080.02710.42
5.2.160.0070.02010.35
5.2.150.0020.02010.38
5.2.140.0000.02210.30
5.2.130.0060.01510.31
5.2.120.0020.01710.33
5.2.110.0080.03010.27
5.2.100.0000.02110.27
5.2.90.0030.03310.26
5.2.80.0020.02210.20
5.2.70.0050.03010.21
5.2.60.0020.03210.18
5.2.50.0030.03410.21
5.2.40.0050.02310.19
5.2.30.0080.02310.23
5.2.20.0070.02810.19
5.2.10.0030.02510.06
5.2.00.0050.0279.90
5.1.60.0080.0259.34
5.1.50.0000.0309.34
5.1.40.0050.0239.42
5.1.30.0020.0309.60
5.1.20.0060.0189.55
5.1.10.0040.0279.38
5.1.00.0020.0279.40
5.0.50.0040.0209.34
5.0.40.0050.0209.34
5.0.30.0030.0209.34
5.0.20.0040.0229.34
5.0.10.0010.0189.34
5.0.00.0070.0209.34
4.4.90.0000.0199.34
4.4.80.0010.0199.34
4.4.70.0030.0189.34
4.4.60.0050.0139.34
4.4.50.0030.0179.34
4.4.40.0000.0299.34
4.4.30.0020.0189.34
4.4.20.0060.0169.34
4.4.10.0000.0229.34
4.4.00.0000.0309.34
4.3.110.0020.0149.34
4.3.100.0020.0189.34
4.3.90.0050.0079.34
4.3.80.0040.0259.34
4.3.70.0020.0119.34
4.3.60.0030.0089.34
4.3.50.0020.0179.34
4.3.40.0070.0139.34
4.3.30.0050.0169.34
4.3.20.0020.0119.34
4.3.10.0000.0119.34
4.3.00.0020.0189.34

preferences:
42.39 ms | 400 KiB | 5 Q