3v4l.org

run code in 300+ PHP versions simultaneously
<?php function ClassTypeCast(&$obj,$class_type){ if(class_exists($class_type,true)) { $obj = unserialize(preg_replace("/^O:[0-9]+:\"[^\"]+\":/i", "O:".strlen($class_type).":\"".$class_type."\":", serialize($obj))); } } class MyClass { private $foo = null; function setString($str) { $this->foo = $str; } function awful() { return "This is awful!"; } } class MyClass2 { private $foo2 = null; function setString2($str) { $this->foo2 = $str; } function awful() { return "This is awesome!" . PHP_EOL; } } $my1 = new MyClass(); $my1->setString("kill me now"); ClassTypeCast($my1, "MyClass2"); echo $my1->awful() . PHP_EOL; var_dump($my1);

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)
8.3.60.0130.00618.47
8.3.50.0130.00821.27
8.3.40.0070.00718.92
8.3.30.0070.00720.31
8.3.20.0000.00820.34
8.3.10.0030.00522.10
8.3.00.0040.00422.43
8.2.180.0040.01216.75
8.2.170.0120.00322.96
8.2.160.0150.00422.13
8.2.150.0080.00024.18
8.2.140.0000.00924.66
8.2.130.0000.00826.16
8.2.120.0040.00420.88
8.2.110.0030.00622.24
8.2.100.0040.01117.97
8.2.90.0040.00419.20
8.2.80.0040.00419.30
8.2.70.0000.00817.63
8.2.60.0040.00418.04
8.2.50.0050.00318.07
8.2.40.0040.00418.34
8.2.30.0070.00019.48
8.2.20.0050.00217.96
8.2.10.0050.00317.93
8.2.00.0050.00317.85
8.1.280.0060.00925.92
8.1.270.0000.00823.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00523.71
8.1.230.0040.00719.03
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0030.00517.53
8.1.180.0080.00018.10
8.1.170.0060.00318.86
8.1.160.0050.00218.94
8.1.150.0040.00418.86
8.1.140.0000.00717.53
8.1.130.0030.00317.86
8.1.120.0000.00717.62
8.1.110.0000.00817.62
8.1.100.0040.00417.69
8.1.90.0070.00017.60
8.1.80.0050.00317.63
8.1.70.0040.00417.60
8.1.60.0060.00317.71
8.1.50.0040.00417.73
8.1.40.0070.00017.56
8.1.30.0040.00417.75
8.1.20.0080.00017.85
8.1.10.0040.00417.75
8.1.00.0050.00317.67
8.0.300.0040.00418.77
8.0.290.0000.00717.16
8.0.280.0000.00718.37
8.0.270.0000.00717.18
8.0.260.0000.00716.96
8.0.250.0040.00417.07
8.0.240.0000.00817.17
8.0.230.0030.00317.21
8.0.220.0030.00317.09
8.0.210.0030.00317.08
8.0.200.0090.00017.18
8.0.190.0040.00417.17
8.0.180.0000.00817.14
8.0.170.0030.00617.07
8.0.160.0030.00617.12
8.0.150.0000.00717.02
8.0.140.0040.00417.09
8.0.130.0030.00313.60
8.0.120.0040.00417.05
8.0.110.0050.00217.09
8.0.100.0090.00017.11
8.0.90.0040.00417.07
8.0.80.0080.00817.13
8.0.70.0000.00716.98
8.0.60.0000.00717.02
8.0.50.0000.00717.15
8.0.30.0110.00717.14
8.0.20.0150.00717.40
8.0.10.0040.00717.19
8.0.00.0080.01116.96
7.4.330.0070.00015.00
7.4.320.0030.00316.73
7.4.300.0000.00716.81
7.4.290.0030.00316.88
7.4.280.0040.00316.85
7.4.270.0030.00616.75
7.4.260.0000.00513.49
7.4.250.0040.00416.56
7.4.240.0040.00416.86
7.4.230.0000.00716.58
7.4.220.0130.01316.83
7.4.210.0090.00716.85
7.4.200.0000.00716.86
7.4.190.0000.00716.62
7.4.160.0030.01316.66
7.4.150.0060.01217.40
7.4.140.0160.00917.86
7.4.130.0100.00816.73
7.4.120.0100.00816.76
7.4.110.0030.01616.79
7.4.100.0150.00416.88
7.4.90.0150.00416.63
7.4.80.0060.01519.39
7.4.70.0110.00816.72
7.4.60.0040.01216.66
7.4.50.0000.00716.60
7.4.40.0000.01622.77
7.4.30.0080.01316.66
7.4.00.0070.01015.39
7.3.330.0050.00013.50
7.3.320.0040.00413.56
7.3.310.0000.00716.57
7.3.300.0000.00716.41
7.3.290.0040.01116.52
7.3.280.0080.01016.52
7.3.270.0080.00817.40
7.3.260.0100.01016.82
7.3.250.0150.00916.83
7.3.240.0070.01016.61
7.3.230.0100.00716.68
7.3.210.0110.00816.64
7.3.200.0120.01419.39
7.3.190.0060.01216.42
7.3.180.0100.01016.71
7.3.170.0080.00816.63
7.3.160.0070.01116.82
7.3.120.0070.00715.11
7.2.330.0140.00716.91
7.2.320.0210.00316.64
7.2.310.0060.01216.98
7.2.300.0070.01016.93
7.2.290.0040.01216.88
7.2.60.0100.00617.00
7.2.00.0000.01619.18
7.1.200.0130.00315.63
7.1.100.0000.01418.14
7.1.70.0040.00417.34
7.1.60.0110.01419.32
7.1.50.0220.00435.04
7.1.00.0030.04322.29
7.0.200.0000.01016.61
7.0.140.0000.07721.94
7.0.100.0070.08721.73
7.0.90.0030.08721.66
7.0.80.0070.05721.73
7.0.70.0030.06021.70
7.0.60.0100.07321.86
7.0.50.0100.08722.19
7.0.40.0030.07720.08
7.0.30.0030.08719.96
7.0.20.0000.09020.04
7.0.10.0130.08020.10
7.0.00.0100.08020.04
5.6.280.0070.06720.88
5.6.250.0130.07720.82
5.6.240.0130.06020.69
5.6.230.0100.08020.49
5.6.220.0170.04320.62
5.6.210.0070.07720.59
5.6.200.0070.06021.14
5.6.190.0030.09021.12
5.6.180.0000.08320.95
5.6.170.0070.06721.11
5.6.160.0200.05721.05
5.6.150.0070.04721.02
5.6.140.0030.06021.01
5.6.130.0070.07021.04
5.6.120.0030.05321.02
5.6.110.0070.04021.11
5.6.100.0030.04721.05
5.6.90.0000.04320.95
5.6.80.0070.03320.49
5.6.70.0000.03320.41
5.6.60.0070.03720.34
5.6.50.0030.04320.57
5.6.40.0070.03020.36
5.6.30.0030.07320.41
5.6.20.0070.04320.39
5.6.10.0030.08020.50
5.6.00.0030.03320.44
5.5.380.0230.06720.43
5.5.370.0070.04720.54
5.5.360.0030.06020.46
5.5.350.0100.08320.43
5.5.340.0030.05320.81
5.5.330.0100.08320.77
5.5.320.0070.07020.89
5.5.310.0130.05720.83
5.5.300.0200.07320.80
5.5.290.0030.04720.84
5.5.280.0030.04320.89
5.5.270.0030.04020.81
5.5.260.0030.04720.89
5.5.250.0000.04320.68
5.5.240.0070.03320.04
5.5.230.0070.04020.19
5.5.220.0000.04020.11
5.5.210.0030.05720.14
5.5.200.0030.03320.21
5.5.190.0030.07020.14
5.5.180.0000.05019.97
5.5.160.0000.08320.30
5.5.150.0030.03720.14
5.5.140.0000.04020.19
5.5.130.0030.03320.16
5.5.120.0000.05020.28
5.5.110.0030.04020.13
5.5.100.0130.03020.11
5.5.90.0070.03320.17
5.5.80.0000.04020.05
5.5.70.0000.08020.06
5.5.60.0030.04020.16
5.5.50.0000.04020.15
5.5.40.0030.03720.07
5.5.30.0000.04020.14
5.5.20.0030.03720.16
5.5.10.0030.03720.05
5.5.00.0030.04320.08
5.4.450.0030.05719.41
5.4.440.0030.04719.50
5.4.430.0000.04319.27
5.4.420.0070.03719.45
5.4.410.0000.04019.25
5.4.400.0070.03018.96
5.4.390.0000.04319.16
5.4.380.0030.05719.05
5.4.370.0000.04018.95
5.4.360.0000.06019.09
5.4.350.0000.03719.04
5.4.340.0000.03719.09
5.4.320.0030.07719.04
5.4.310.0070.03319.16
5.4.300.0000.04319.04
5.4.290.0000.06018.88
5.4.280.0000.07319.04
5.4.270.0070.03318.87
5.4.260.0070.04018.93
5.4.250.0030.03719.22
5.4.240.0000.04019.09
5.4.230.0030.03718.94
5.4.220.0000.04019.04
5.4.210.0000.04018.84
5.4.200.0000.05319.19
5.4.190.0030.05319.16
5.4.180.0000.04018.93
5.4.170.0030.03719.17
5.4.160.0070.03319.06
5.4.150.0030.03719.05
5.4.140.0000.03716.46
5.4.130.0030.03016.29
5.4.120.0030.03316.50
5.4.110.0030.03316.41
5.4.100.0030.03016.49
5.4.90.0000.03716.50
5.4.80.0030.04716.36
5.4.70.0000.04016.55
5.4.60.0100.06316.26
5.4.50.0030.06016.36
5.4.40.0000.07016.46
5.4.30.0000.07316.30
5.4.20.0030.07016.36
5.4.10.0070.07316.38
5.4.00.0030.06715.89
5.3.290.0000.03714.74
5.3.280.0000.05314.66
5.3.270.0000.04014.68
5.3.260.0070.03314.60
5.3.250.0030.03314.68
5.3.240.0000.03714.61
5.3.230.0070.03014.54
5.3.220.0000.03714.57
5.3.210.0030.03714.58
5.3.200.0030.03314.61
5.3.190.0030.03714.54
5.3.180.0030.03314.57
5.3.170.0030.03014.64
5.3.160.0000.08014.71
5.3.150.0000.07314.54
5.3.140.0000.07714.65
5.3.130.0000.07714.48
5.3.120.0000.03314.63
5.3.110.0000.04314.49
5.3.100.0000.06714.15
5.3.90.0000.07714.00
5.3.80.0100.07013.92
5.3.70.0030.07714.01
5.3.60.0100.06714.07
5.3.50.0030.05713.89
5.3.40.0070.04013.89
5.3.30.0070.06713.86
5.3.20.0030.07013.71
5.3.10.0000.05313.77
5.3.00.0070.06013.71
5.2.170.0030.07311.28
5.2.160.0030.04011.28
5.2.150.0030.04011.28
5.2.140.0000.06011.28
5.2.130.0030.06011.28
5.2.120.0030.04311.28
5.2.110.0030.04711.28
5.2.100.0070.05011.28
5.2.90.0070.04311.28
5.2.80.0070.02711.28
5.2.70.0000.03011.28
5.2.60.0030.05311.28
5.2.50.0030.05711.28
5.2.40.0100.05711.28
5.2.30.0000.06711.28
5.2.20.0070.05311.28
5.2.10.0030.04311.28
5.2.00.0030.05711.28
5.1.60.0030.05311.28
5.1.50.0000.05711.28
5.1.40.0070.05011.28
5.1.30.0030.06011.28
5.1.20.0070.05311.28
5.1.10.0070.04311.28
5.1.00.0000.02711.28
5.0.50.0000.02311.28
5.0.40.0000.03011.28
5.0.30.0000.07011.28
5.0.20.0030.04011.28
5.0.10.0070.02711.28
5.0.00.0030.06311.28
4.4.90.0070.02711.28
4.4.80.0030.02311.28
4.4.70.0030.03311.28
4.4.60.0030.02011.28
4.4.50.0070.01711.28
4.4.40.0000.05311.28
4.4.30.0030.03011.28
4.4.20.0030.04011.28
4.4.10.0000.03311.28
4.4.00.0000.03011.28
4.3.110.0000.02711.28
4.3.100.0000.01711.28
4.3.90.0000.03311.28
4.3.80.0100.04311.28
4.3.70.0030.01711.28
4.3.60.0030.03311.28
4.3.50.0100.02311.28
4.3.40.0000.05711.28
4.3.30.0000.03711.28
4.3.20.0030.03011.28
4.3.10.0030.03711.28
4.3.00.0030.02011.28

preferences:
39.6 ms | 401 KiB | 5 Q