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run code in 300+ PHP versions simultaneously
<?php class ParentClass { private $table_name; public function __construct() { $this->table_name = strtolower(static::class); } } class ChildClass extends ParentClass { public function __construct() { parent::__construct(); // ... } } $parent = new ParentClass(); $child = new ChildClass(); echo $parent->table_name . "<br />" . $child->table_name;

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)
8.3.60.0070.01016.63
8.3.50.0130.00621.17
8.3.40.0090.00618.82
8.3.30.0090.00618.80
8.3.20.0050.00220.39
8.3.10.0040.00423.66
8.3.00.0060.00323.39
8.2.180.0100.01016.63
8.2.170.0130.00722.96
8.2.160.0100.01020.11
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0000.00719.51
8.2.120.0070.00026.35
8.2.110.0060.00322.10
8.2.100.0030.00717.90
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0060.00317.63
8.2.60.0050.00317.93
8.2.50.0000.00818.07
8.2.40.0000.00720.58
8.2.30.0000.00819.28
8.2.20.0050.00217.68
8.2.10.0030.00618.03
8.2.00.0000.00817.86
8.1.280.0090.00625.92
8.1.270.0040.00423.91
8.1.260.0060.00328.09
8.1.250.0000.01028.09
8.1.240.0040.00423.88
8.1.230.0040.00819.04
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0060.00317.36
8.1.190.0060.00317.23
8.1.180.0050.00318.10
8.1.170.0030.00518.46
8.1.160.0050.00320.70
8.1.150.0040.00418.74
8.1.140.0060.00319.51
8.1.130.0090.00017.64
8.1.120.0030.00717.36
8.1.110.0040.00417.29
8.1.100.0030.00517.30
8.1.90.0000.00817.42
8.1.80.0000.00917.33
8.1.70.0040.00417.29
8.1.60.0000.00817.59
8.1.50.0000.00817.57
8.1.40.0050.00217.46
8.1.30.0000.00817.70
8.1.20.0040.00417.55
8.1.10.0060.00317.52
8.1.00.0040.00417.41
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0000.00718.38
8.0.270.0050.00217.16
8.0.260.0040.00417.14
8.0.250.0020.00516.96
8.0.240.0000.00816.86
8.0.230.0030.00316.81
8.0.220.0080.00016.84
8.0.210.0000.00716.91
8.0.200.0000.00816.91
8.0.190.0000.00816.91
8.0.180.0000.00716.87
8.0.170.0060.00316.90
8.0.160.0000.00816.89
8.0.150.0040.00316.75
8.0.140.0060.00316.88
8.0.130.0040.00413.32
8.0.120.0030.00616.83
8.0.110.0000.00816.75
8.0.100.0000.00816.71
8.0.90.0000.00716.70
8.0.80.0120.00616.93
8.0.70.0050.00316.84
8.0.60.0040.00416.69
8.0.50.0040.00416.83
8.0.30.0120.00816.89
8.0.20.0140.00917.40
8.0.10.0040.00416.98
8.0.00.0090.01216.93
7.4.330.0020.00216.78
7.4.320.0000.00616.49
7.4.300.0030.00316.59
7.4.290.0030.00616.49
7.4.280.0060.00316.49
7.4.270.0000.00716.61
7.4.260.0070.00016.60
7.4.250.0000.00716.46
7.4.240.0000.00716.56
7.4.230.0070.00016.70
7.4.220.0140.00716.69
7.4.210.0070.01416.48
7.4.200.0000.00716.64
7.4.160.0090.00616.39
7.4.150.0140.00317.40
7.4.140.0120.00817.86
7.4.130.0100.00716.51
7.4.120.0100.00816.46
7.4.110.0140.00316.31
7.4.100.0160.00616.41
7.4.90.0070.01116.59
7.4.80.0160.00319.39
7.4.70.0040.01416.70
7.4.60.0060.01116.35
7.4.50.0100.00516.41
7.4.40.0060.01516.55
7.4.30.0140.00716.52
7.4.00.0060.00815.00
7.3.330.0000.00613.22
7.3.320.0030.00313.34
7.3.310.0060.00016.18
7.3.300.0030.00316.33
7.3.290.0060.00916.34
7.3.280.0080.00916.35
7.3.270.0130.00317.40
7.3.260.0130.00916.29
7.3.250.0050.01216.52
7.3.240.0080.00916.48
7.3.230.0070.01016.39
7.3.210.0030.01316.66
7.3.200.0090.00619.39
7.3.190.0110.00716.36
7.3.180.0110.00716.25
7.3.170.0040.01216.37
7.3.160.0070.00916.51
7.3.120.0090.00914.88
7.3.110.0110.00614.82
7.3.100.0050.00914.91
7.3.90.0110.00614.62
7.3.80.0030.01314.57
7.3.70.0050.00714.75
7.3.60.0070.00714.73
7.3.50.0030.00814.72
7.3.40.0040.01114.54
7.3.30.0100.00314.69
7.3.20.0000.01416.61
7.3.10.0070.00716.64
7.3.00.0020.00916.49
7.2.330.0120.00616.46
7.2.320.0070.01116.73
7.2.310.0070.01016.73
7.2.300.0150.00316.63
7.2.290.0110.00516.80
7.2.250.0050.01015.07
7.2.240.0050.01315.02
7.2.230.0050.00814.78
7.2.220.0090.00515.04
7.2.210.0070.00714.70
7.2.200.0020.01215.09
7.2.190.0090.00515.04
7.2.180.0030.01114.81
7.2.170.0040.00914.90
7.2.60.0050.00616.30
7.2.00.0030.01019.33
7.1.330.0050.01015.51
7.1.320.0050.00715.83
7.1.310.0060.00815.80
7.1.300.0080.00415.71
7.1.290.0100.00615.56
7.1.280.0030.00715.78
7.1.270.0080.00515.65
7.1.260.0060.00715.68
7.1.200.0120.00615.83
7.1.100.0000.01117.95
7.1.70.0000.01017.02
7.1.60.0090.01619.28
7.1.50.0030.00716.98
7.1.00.0070.07322.54
7.0.200.0030.00716.42
7.0.60.0030.06321.73
7.0.50.0100.04317.87
7.0.40.0330.04020.04
7.0.30.0370.06720.30
7.0.20.0270.08320.28
7.0.10.0070.07020.30
7.0.00.0070.08320.21
5.6.280.0030.05721.00
5.6.210.0170.07720.69
5.6.200.0070.05018.27
5.6.190.0130.08320.67
5.6.180.0330.05020.41
5.6.170.0270.04020.47
5.6.160.0000.04720.71
5.6.150.0070.03718.25
5.6.140.0100.03718.18
5.6.130.0000.05718.28
5.6.120.0130.08321.03
5.6.110.0070.08320.98
5.6.100.0130.03320.98
5.6.90.0000.04321.09
5.6.80.0070.05720.49
5.5.350.3700.04320.43
5.5.340.0000.05017.99
5.5.330.0070.07020.26
5.5.320.0370.07320.31
5.5.310.0230.04020.30
5.5.300.0130.06318.02
5.5.290.0070.07717.98
5.5.280.0070.08320.88
5.5.270.0030.04320.87
5.5.260.0170.07320.68
5.5.250.0200.06320.59
5.5.240.0030.05720.19

preferences:
42.91 ms | 401 KiB | 5 Q