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('1235'); $objSecond = new second('321'); var_dump ($objFirst == $objSecond); $dummy = print_r($objFirst, TRUE); 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)
8.3.60.0090.00618.18
8.3.50.0090.00621.09
8.3.40.0120.00318.49
8.3.30.0070.00720.17
8.3.20.0050.00320.16
8.3.10.0000.00821.84
8.3.00.0050.00322.52
8.2.180.0140.00416.50
8.2.170.0090.00622.96
8.2.160.0030.01620.52
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0060.00320.63
8.2.110.0050.00520.46
8.2.100.0110.00017.78
8.2.90.0040.00418.03
8.2.80.0060.00320.97
8.2.70.0030.00517.50
8.2.60.0000.00917.63
8.2.50.0000.00817.63
8.2.40.0030.00620.48
8.2.30.0040.00419.50
8.2.20.0000.00817.65
8.2.10.0050.00317.62
8.2.00.0000.00817.59
8.1.270.0070.00023.99
8.1.260.0110.00726.35
8.1.250.0070.00028.09
8.1.240.0000.00920.63
8.1.230.0060.00622.75
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0080.00017.35
8.1.180.0060.00318.10
8.1.170.0030.00518.40
8.1.160.0000.00718.80
8.1.150.0030.00518.60
8.1.140.0000.00717.38
8.1.130.0000.00717.70
8.1.120.0070.00017.38
8.1.110.0040.00417.43
8.1.100.0040.00417.49
8.1.90.0040.00417.46
8.1.80.0000.00817.37
8.1.70.0030.00317.31
8.1.60.0030.00617.48
8.1.50.0030.00617.54
8.1.40.0060.00317.55
8.1.30.0060.00317.59
8.1.20.0030.00517.60
8.1.10.0040.00417.52
8.1.00.0080.00017.49
8.0.300.0000.00719.84
8.0.290.0080.00016.58
8.0.280.0070.00018.46
8.0.270.0000.00816.73
8.0.260.0000.00616.82
8.0.250.0040.00416.96
8.0.240.0000.01016.86
8.0.230.0000.00716.92
8.0.220.0070.00016.92
8.0.210.0050.00216.90
8.0.200.0000.00616.95
8.0.190.0000.00716.83
8.0.180.0000.00716.81
8.0.170.0040.00416.78
8.0.160.0040.00316.82
8.0.150.0000.00816.91
8.0.140.0040.00416.76
8.0.130.0030.00313.28
8.0.120.0040.00416.93
8.0.110.0060.00316.81
8.0.100.0040.00416.88
8.0.90.0040.00416.70
8.0.80.0070.01016.84
8.0.70.0040.00416.72
8.0.60.0000.00716.80
8.0.50.0000.00716.86
8.0.30.0120.00717.01
8.0.20.0110.00717.40
8.0.10.0070.00016.81
8.0.00.0060.01116.56
7.4.330.0050.00016.89
7.4.320.0060.00016.50
7.4.300.0000.00616.52
7.4.290.0040.00416.60
7.4.280.0070.00016.50
7.4.270.0040.00416.53
7.4.260.0030.00313.32
7.4.250.0040.00416.46
7.4.240.0020.00516.51
7.4.230.0070.00016.58
7.4.220.0080.00816.63
7.4.210.0050.01016.61
7.4.200.0000.00716.67
7.4.190.0030.00316.71
7.4.160.0030.01216.48
7.4.150.0100.00717.40
7.4.140.0070.01017.86
7.4.130.0080.01116.46
7.4.120.0110.00616.48
7.4.110.0080.00816.41
7.4.100.0120.00616.52
7.4.90.0100.00616.48
7.4.80.0140.00419.39
7.4.70.0100.00716.52
7.4.60.0060.01016.57
7.4.50.0000.00816.27
7.4.40.0000.01822.77
7.4.30.0140.00316.56
7.4.00.0090.00615.00
7.3.330.0030.00313.16
7.3.320.0050.00013.22
7.3.310.0030.00316.14
7.3.300.0070.00016.14
7.3.290.0060.00916.21
7.3.280.0080.01016.21
7.3.270.0060.01017.40
7.3.260.0110.00716.32
7.3.250.0060.01016.24
7.3.240.0080.00816.12
7.3.230.0130.00316.39
7.3.210.0100.00716.25
7.3.200.0150.00619.39
7.3.190.0080.00816.16
7.3.180.0060.01116.25
7.3.170.0060.00916.27
7.3.160.0120.00616.23
7.3.120.0060.00614.66
7.2.330.0080.01116.46
7.2.320.0060.01216.66
7.2.310.0050.01416.45
7.2.300.0060.01216.66
7.2.290.0060.01216.46
7.2.60.0030.01016.96
7.2.00.0030.00919.34
7.1.200.0040.01115.88
7.1.100.0030.01018.01
7.1.70.0030.00616.87
7.1.60.0100.01619.17
7.1.50.0040.02116.91
7.1.00.0030.03322.35
7.0.200.0070.00316.70
7.0.140.0100.06022.01
7.0.100.0070.07719.98
7.0.90.0300.06720.14
7.0.80.0400.08019.96
7.0.70.0330.08319.88
7.0.60.0330.07019.94
7.0.50.0470.04720.36
7.0.40.0030.09020.05
7.0.30.0030.09320.04
7.0.20.0130.08020.09
7.0.10.0070.08020.17
7.0.00.0070.07020.07
5.6.280.0000.07721.04
5.6.250.0170.07320.64
5.6.240.0170.08020.57
5.6.230.0070.08020.64
5.6.220.0100.08020.50
5.6.210.0170.07320.56
5.6.200.0130.07321.03
5.6.190.0030.05320.99
5.6.180.0130.07021.08
5.6.170.0170.07721.12
5.6.160.0030.08721.05
5.6.150.0070.08021.09
5.6.140.0070.07721.01
5.6.130.0070.06321.17
5.6.120.0030.08320.96
5.6.110.0100.04021.03
5.6.100.0070.04721.09
5.6.90.0100.08021.06
5.6.80.0130.06020.52
5.6.70.0170.06720.48
5.6.60.0000.08720.29
5.6.50.0100.07720.44
5.6.40.0070.07720.50
5.6.30.0000.08320.41
5.6.20.0070.07720.38
5.6.10.0100.07720.53
5.6.00.0030.08020.30
5.5.380.0070.08320.42
5.5.370.0130.07020.37
5.5.360.0030.08320.49
5.5.350.0070.09020.35
5.5.340.0030.08720.77
5.5.330.0070.08720.86
5.5.320.0070.08320.81
5.5.310.0170.05020.89
5.5.300.0100.07720.84
5.5.290.0100.07320.79
5.5.280.0100.07720.86
5.5.270.0070.04720.88
5.5.260.0170.07720.80
5.5.250.0070.08020.57
5.5.240.0030.05720.02
5.5.230.0070.07720.24
5.5.220.0000.07720.23
5.5.210.0100.04320.23
5.5.200.0270.05320.27
5.5.190.0100.08020.00
5.5.180.0030.05019.98
5.5.160.0100.07720.24
5.5.150.0070.08320.21
5.5.140.0100.06720.21
5.5.130.0070.06020.22
5.5.120.0070.08020.14
5.5.110.0130.07720.21
5.5.100.0100.07719.98
5.5.90.0200.05020.15
5.5.80.0030.05720.07
5.5.70.0070.08019.96
5.5.60.0130.06319.96
5.5.50.0130.06720.12
5.5.40.0130.07020.05
5.5.30.0000.08720.13
5.5.20.0170.06720.05
5.5.10.0030.08720.09
5.5.00.0130.06020.04
5.4.450.0070.05319.20
5.4.440.0170.06019.45
5.4.430.0030.05019.41
5.4.420.0030.08719.36
5.4.410.0030.07719.25
5.4.400.0070.08019.11
5.4.390.0070.07019.00
5.4.380.0130.04319.04
5.4.370.0170.06719.16
5.4.360.0100.07718.95
5.4.350.0070.08019.13
5.4.340.0100.07019.05
5.4.320.0100.06719.05
5.4.310.0100.07018.95
5.4.300.0130.07019.23
5.4.290.0070.07719.16
5.4.280.0100.07719.04
5.4.270.0070.04719.04
5.4.260.0100.07019.04
5.4.250.0130.06719.03
5.4.240.0130.07018.87
5.4.230.0070.06719.20
5.4.220.0100.07318.84
5.4.210.0170.07019.18
5.4.200.0070.05719.11
5.4.190.0030.08019.12
5.4.180.0030.07019.20
5.4.170.0070.07718.87
5.4.160.0030.08019.16
5.4.150.0100.05719.10
5.4.140.0000.07316.40
5.4.130.0030.07316.39
5.4.120.0070.07716.35
5.4.110.0130.07016.39
5.4.100.0070.07016.41
5.4.90.0100.07016.44
5.4.80.0070.07316.55
5.4.70.0030.07316.45
5.4.60.0170.06316.37
5.4.50.0170.06016.27
5.4.40.0100.06716.54
5.4.30.0070.07316.36
5.4.20.0130.06316.31
5.4.10.0100.06016.48
5.4.00.0070.06715.79
5.3.290.0070.07714.73
5.3.280.0030.08014.53
5.3.270.0070.08314.59
5.3.260.0000.05014.72
5.3.250.0030.07714.62
5.3.240.0100.07314.65
5.3.230.0070.04314.53
5.3.220.0030.07714.56
5.3.210.0070.04714.57
5.3.200.0100.07714.51
5.3.190.0000.07714.51
5.3.180.0100.07014.71
5.3.170.0100.06714.64
5.3.160.0070.07014.50
5.3.150.0100.07014.59
5.3.140.0170.05014.68
5.3.130.0130.06314.57
5.3.120.0070.07314.68
5.3.110.0030.04314.54
5.3.100.0000.07714.03
5.3.90.0130.06713.95
5.3.80.0100.07314.13
5.3.70.0130.06314.01
5.3.60.0130.07013.93
5.3.50.0070.07313.84
5.3.40.0000.05313.93
5.3.30.0200.06013.82
5.3.20.0070.04713.59
5.3.10.0000.07713.64
5.3.00.0030.08313.58
5.2.170.0130.05711.04
5.2.160.0070.06011.13
5.2.150.0070.06011.18
5.2.140.0100.06311.18
5.2.130.0030.03311.16
5.2.120.0030.06311.22
5.2.110.0070.05711.04
5.2.100.0100.05711.21
5.2.90.0070.05710.97
5.2.80.0130.02711.15
5.2.70.0030.04710.99
5.2.60.0030.06311.13
5.2.50.0030.06310.89
5.2.40.0000.06311.06
5.2.30.0070.06011.01
5.2.20.0100.05311.09
5.2.10.0030.06310.79
5.2.00.0030.05310.60
5.1.60.0000.04010.07
5.1.50.0070.03310.07
5.1.40.0170.0409.98
5.1.30.0100.03710.38
5.1.20.0100.05310.47
5.1.10.0030.06010.19
5.1.00.0000.05310.18
5.0.50.0000.0508.56
5.0.40.0030.0438.48
5.0.30.0030.0638.28
5.0.20.0030.0338.20
5.0.10.0070.0408.27
5.0.00.0000.0538.26
4.4.90.0070.0337.98
4.4.80.0000.0337.98
4.4.70.0030.0337.98
4.4.60.0030.0177.98
4.4.50.0000.0377.98
4.4.40.0100.0477.98
4.4.30.0000.0377.98
4.4.20.0000.0237.98
4.4.10.0000.0377.98
4.4.00.0070.0507.98
4.3.110.0000.0377.98
4.3.100.0070.0137.98
4.3.90.0030.0137.98
4.3.80.0000.0537.98
4.3.70.0070.0277.98
4.3.60.0030.0277.98
4.3.50.0030.0337.98
4.3.40.0100.0477.98
4.3.30.0030.0337.98
4.3.20.0000.0377.98
4.3.10.0000.0377.98
4.3.00.0000.0277.98

preferences:
56.4 ms | 400 KiB | 5 Q