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)
8.3.60.0060.01218.30
8.3.50.0140.00421.21
8.3.40.0120.00318.75
8.3.30.0110.00420.31
8.3.20.0060.00320.35
8.3.10.0080.00022.04
8.3.00.0080.00022.52
8.2.180.0100.01016.63
8.2.170.0120.00322.96
8.2.160.0130.00320.52
8.2.150.0050.00224.18
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0070.00020.54
8.2.110.0030.00622.31
8.2.100.0040.00717.91
8.2.90.0030.00617.50
8.2.80.0040.00717.97
8.2.70.0050.00517.93
8.2.60.0040.00418.04
8.2.50.0050.00319.56
8.2.40.0050.00320.44
8.2.30.0030.00319.41
8.2.20.0040.00417.50
8.2.10.0000.00817.63
8.2.00.0040.00417.67
8.1.280.0040.01125.92
8.1.270.0000.00723.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0070.00419.00
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.22
8.1.190.0060.00317.23
8.1.180.0040.00418.10
8.1.170.0040.00418.34
8.1.160.0000.00718.91
8.1.150.0020.00518.61
8.1.140.0040.00417.44
8.1.130.0000.00717.70
8.1.120.0030.00517.30
8.1.110.0060.00317.29
8.1.100.0050.00317.31
8.1.90.0030.00317.42
8.1.80.0030.00617.37
8.1.70.0040.00417.34
8.1.60.0090.00017.51
8.1.50.0060.00317.53
8.1.40.0060.00317.42
8.1.30.0040.00417.50
8.1.20.0050.00317.57
8.1.10.0030.00517.59
8.1.00.0050.00217.44
8.0.300.0060.00319.66
8.0.290.0050.00316.63
8.0.280.0070.00018.38
8.0.270.0030.00317.18
8.0.260.0000.00716.72
8.0.250.0030.00316.91
8.0.240.0040.00416.88
8.0.230.0040.00416.85
8.0.220.0000.00716.73
8.0.210.0040.00416.73
8.0.200.0030.00316.91
8.0.190.0050.00316.88
8.0.180.0040.00416.75
8.0.170.0080.00016.78
8.0.160.0040.00416.86
8.0.150.0000.00716.79
8.0.140.0000.00716.69
8.0.130.0050.00013.24
8.0.120.0040.00416.78
8.0.110.0000.00716.86
8.0.100.0050.00316.82
8.0.90.0030.00316.67
8.0.80.0030.01616.77
8.0.70.0000.00716.82
8.0.60.0000.00716.66
8.0.50.0040.00416.79
8.0.30.0100.01116.78
8.0.20.0110.00817.40
8.0.10.0030.00317.02
8.0.00.0130.00816.76
7.4.330.0000.00516.84
7.4.320.0040.00416.49
7.4.300.0030.00316.41
7.4.290.0000.00716.49
7.4.280.0000.00716.49
7.4.270.0000.00716.62
7.4.260.0030.00313.26
7.4.250.0000.00716.39
7.4.240.0060.00216.59
7.4.230.0000.00716.58
7.4.220.0030.01616.47
7.4.210.0060.00916.51
7.4.200.0070.00016.50
7.4.190.0040.00316.70
7.4.160.0120.00316.28
7.4.150.0130.00617.40
7.4.140.0090.01117.86
7.4.130.0120.00916.38
7.4.120.0090.00816.47
7.4.110.0140.00316.64
7.4.100.0070.01016.33
7.4.90.0150.00316.53
7.4.80.0060.01119.39
7.4.70.0030.01316.52
7.4.60.0070.01016.41
7.4.50.0030.00516.16
7.4.40.0060.01022.77
7.4.30.0090.01216.62
7.4.00.0110.00014.98
7.3.330.0030.00313.17
7.3.320.0000.00513.25
7.3.310.0030.00316.30
7.3.300.0080.00016.16
7.3.290.0060.00916.26
7.3.280.0100.00716.24
7.3.270.0100.00717.40
7.3.260.0150.00316.29
7.3.250.0060.01116.42
7.3.240.0090.00616.29
7.3.230.0060.01116.39
7.3.210.0080.00816.29
7.3.200.0130.00319.39
7.3.190.0160.00616.29
7.3.180.0070.01016.39
7.3.170.0130.00716.27
7.3.160.0090.00816.45
7.3.120.0030.01414.68
7.2.330.0070.01116.73
7.2.320.0160.00716.66
7.2.310.0080.01116.36
7.2.300.0100.01016.57
7.2.290.0090.00816.59
7.2.60.0180.00916.09
7.2.00.0070.00719.47
7.1.200.0070.00715.70
7.1.100.0070.00318.29
7.1.70.0000.00817.24
7.1.60.0100.01319.17
7.1.50.0030.02117.10
7.1.00.0030.03322.43
7.0.200.0030.00716.35
7.0.140.0030.06722.18
7.0.100.0430.06719.93
7.0.90.0430.08719.93
7.0.80.0670.06319.98
7.0.70.0500.08020.01
7.0.60.0530.07719.89
7.0.50.0500.08020.31
7.0.40.0130.07020.09
7.0.30.0070.05320.13
7.0.20.0070.04720.19
7.0.10.0170.06720.13
7.0.00.0030.07320.10
5.6.280.0130.06021.03
5.6.250.0070.07320.79
5.6.240.0000.09320.75
5.6.230.0070.07720.75
5.6.220.0000.09320.58
5.6.210.0100.07720.76
5.6.200.0130.07021.18
5.6.190.0070.07721.08
5.6.180.0130.07721.06
5.6.170.0100.08020.95
5.6.160.0100.08021.05
5.6.150.0170.07720.89
5.6.140.0130.07720.95
5.6.130.0030.06021.11
5.6.120.0100.08321.11
5.6.110.0070.08321.17
5.6.100.0000.05021.04
5.6.90.0100.05321.06
5.6.80.0030.06020.38
5.6.70.0170.03720.39
5.6.60.0070.04720.47
5.6.50.0030.03720.49
5.6.40.0100.03720.43
5.6.30.0030.03720.32
5.6.20.0130.03020.40
5.6.10.0000.04320.28
5.6.00.0000.05020.39
5.5.380.0030.08320.36
5.5.370.0100.07720.39
5.5.360.0070.07720.51
5.5.350.0100.05720.33
5.5.340.0100.07320.91
5.5.330.0070.07020.85
5.5.320.0000.09320.92
5.5.310.0030.08720.79
5.5.300.0100.08020.90
5.5.290.0200.07020.81
5.5.280.0070.09020.90
5.5.270.0130.08320.82
5.5.260.0070.08020.86
5.5.250.0130.07020.57
5.5.240.0000.04320.30
5.5.230.0000.04320.29
5.5.220.0070.03720.27
5.5.210.0070.03720.21
5.5.200.0030.03720.16
5.5.190.0070.05320.24
5.5.180.0030.04320.24
5.5.160.0070.06720.14
5.5.150.0100.03720.23
5.5.140.0070.03720.24
5.5.130.0100.03320.09
5.5.120.0030.05720.11
5.5.110.0070.05320.11
5.5.100.0070.04319.93
5.5.90.0070.03720.07
5.5.80.0000.04320.10
5.5.70.0030.04720.09
5.5.60.0000.04720.14
5.5.50.0000.04020.01
5.5.40.0070.03320.06
5.5.30.0100.03320.10
5.5.20.0000.05019.93
5.5.10.0070.03719.99
5.5.00.0000.04320.06
5.4.450.0070.06319.23
5.4.440.0100.07319.23
5.4.430.0100.04719.50
5.4.420.0070.07019.17
5.4.410.0070.07019.43
5.4.400.0100.04018.85
5.4.390.0030.04319.21
5.4.380.0030.04019.03
5.4.370.0030.03719.16
5.4.360.0100.03019.04
5.4.350.0070.04719.19
5.4.340.0000.04019.09
5.4.320.0100.05019.05
5.4.310.0070.05019.23
5.4.300.0030.04719.21
5.4.290.0000.04019.05
5.4.280.0070.03319.03
5.4.270.0070.07018.85
5.4.260.0000.06018.90
5.4.250.0100.04719.04
5.4.240.0030.04718.95
5.4.230.0070.05019.13
5.4.220.0070.03719.03
5.4.210.0070.03319.14
5.4.200.0100.04018.91
5.4.190.0070.03719.15
5.4.180.0130.02719.20
5.4.170.0030.03719.08
5.4.160.0030.03719.02
5.4.150.0000.04018.88
5.4.140.0100.03016.48
5.4.130.0000.03716.46
5.4.120.0000.05016.47
5.4.110.0030.03716.40
5.4.100.0070.03016.55
5.4.90.0030.03316.33
5.4.80.0100.03316.43
5.4.70.0000.04016.49
5.4.60.0030.04016.41
5.4.50.0030.06016.44
5.4.40.0030.08016.48
5.4.30.0070.03016.40
5.4.20.0030.07316.48
5.4.10.0070.06316.46
5.4.00.0000.07015.94
5.3.290.0100.03014.77
5.3.280.0070.05014.55
5.3.270.0030.03714.59
5.3.260.0030.03714.62
5.3.250.0030.04014.64
5.3.240.0030.03714.67
5.3.230.0000.04314.59
5.3.220.0000.03714.64
5.3.210.0070.03314.69
5.3.200.0030.07314.73
5.3.190.0030.04714.51
5.3.180.0070.04014.70
5.3.170.0030.03714.55
5.3.160.0100.03014.68
5.3.150.0000.03714.64
5.3.140.0000.05014.71
5.3.130.0100.07314.58
5.3.120.0100.07014.49
5.3.110.0100.06014.54
5.3.100.0070.03314.18
5.3.90.0100.06714.18
5.3.80.0030.07714.18
5.3.70.0030.07314.18
5.3.60.0070.07314.18
5.3.50.0030.07714.18
5.3.40.0030.07314.18
5.3.30.0030.07314.18
5.3.20.0070.07314.18
5.3.10.0100.06714.18
5.3.00.0100.06714.18
5.2.170.0100.05014.18
5.2.160.0000.06314.18
5.2.150.0170.05014.18
5.2.140.0100.05314.18
5.2.130.0070.06014.18
5.2.120.0100.06014.18
5.2.110.0130.05314.18
5.2.100.0070.06014.18
5.2.90.0070.06314.18
5.2.80.0000.06714.18
5.2.70.0070.06014.18
5.2.60.0070.05714.18
5.2.50.0070.06314.18
5.2.40.0070.06314.18
5.2.30.0030.06714.18
5.2.20.0100.06014.18
5.2.10.0030.06314.18
5.2.00.0100.05314.18
5.1.60.0030.05014.18
5.1.50.0030.05714.18
5.1.40.0030.05314.18
5.1.30.0030.05714.18
5.1.20.0100.04714.18
5.1.10.0030.05714.18
5.1.00.0030.05714.18
5.0.50.0030.04714.18
5.0.40.0030.04714.18
5.0.30.0070.06714.18
5.0.20.0070.04314.18
5.0.10.0000.04714.18
5.0.00.0000.07014.18
4.4.90.0000.03714.18
4.4.80.0070.03014.18
4.4.70.0030.03314.18
4.4.60.0030.03014.18
4.4.50.0030.03314.18
4.4.40.0070.05014.18
4.4.30.0100.02014.18
4.4.20.0000.03714.18
4.4.10.0030.03314.18
4.4.00.0000.05714.18
4.3.110.0030.03314.18
4.3.100.0070.03014.18
4.3.90.0000.02714.18
4.3.80.0000.05014.18
4.3.70.0030.03314.18
4.3.60.0030.03714.18
4.3.50.0030.03714.18
4.3.40.0030.05014.18
4.3.30.0000.02314.18
4.3.20.0000.04014.18
4.3.10.0000.04014.18
4.3.00.0070.03014.18

preferences:
55.79 ms | 400 KiB | 5 Q