3v4l.org

run code in 300+ PHP versions simultaneously
<?php class D { } class E extends D { public $D; } class F extends D { public $D; public $E; } class A implements Serializable { public function serialize () { $serialized = array(); foreach($this as $prop => $val) { $serialized[$prop] = $val; } return serialize($serialized); //return serialize(get_object_vars($this)); } function unserialize($serialized) { foreach(unserialize($serialized) as $prop => $val) { $this->$prop = $val; } return true; } } class B extends A { public $A; } class C extends A { public $A; public $B; } $oC = new C(); $oC->A = new A(); $oC->B = new B(); $oC->B->A = $oC->A; $oF = new F(); $oF->D = new D(); $oF->E = new E(); $oF->E->D = $oF->D; $ser = serialize($oC); echo $ser, "\n"; $ser = serialize($oF); echo $ser, "\n";

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)
8.3.60.0120.00916.75
8.3.50.0090.00818.25
8.3.40.0000.01518.96
8.3.30.0120.00318.88
8.3.20.0040.00418.90
8.3.10.0040.00420.50
8.3.00.0040.00419.51
8.2.180.0140.00716.88
8.2.170.0100.01022.96
8.2.160.0130.00321.07
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00019.36
8.2.110.0060.01221.12
8.2.100.0090.00317.91
8.2.90.0030.00619.38
8.2.80.0000.00719.14
8.2.70.0030.00617.63
8.2.60.0060.00318.04
8.2.50.0030.00518.07
8.2.40.0070.00418.09
8.2.30.0070.00318.14
8.2.20.0040.00417.61
8.2.10.0060.00317.81
8.2.00.0050.00317.64
8.1.280.0140.00025.92
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0000.01028.09
8.1.240.0030.00622.61
8.1.230.0070.00320.90
8.1.220.0000.00817.76
8.1.210.0060.00318.98
8.1.200.0040.00417.35
8.1.190.0040.00417.64
8.1.180.0040.00418.10
8.1.170.0070.00318.97
8.1.160.0040.00418.81
8.1.150.0040.00418.72
8.1.140.0040.00417.46
8.1.130.0050.00217.75
8.1.120.0000.00817.47
8.1.110.0000.00717.49
8.1.100.0030.00517.48
8.1.90.0040.00417.39
8.1.80.0070.00017.38
8.1.70.0030.00317.34
8.1.60.0000.00917.61
8.1.50.0050.00317.37
8.1.40.0080.00017.59
8.1.30.0050.00317.49
8.1.20.0040.00417.67
8.1.10.0030.00517.61
8.1.00.0070.00417.49
8.0.300.0040.00420.02
8.0.290.0000.00716.63
8.0.280.0040.00418.47
8.0.270.0000.00717.28
8.0.260.0040.00416.77
8.0.250.0000.00716.96
8.0.240.0030.00716.99
8.0.230.0000.00716.80
8.0.220.0030.00316.85
8.0.210.0000.00716.96
8.0.200.0030.00317.04
8.0.190.0040.00416.88
8.0.180.0000.00716.96
8.0.170.0020.00516.91
8.0.160.0000.00717.00
8.0.150.0080.00016.91
8.0.140.0040.00416.84
8.0.130.0000.00513.38
8.0.120.0040.00416.91
8.0.110.0040.00416.89
8.0.100.0040.00416.85
8.0.90.0070.00016.95
8.0.80.0040.01516.80
8.0.70.0000.00816.81
8.0.60.0000.00716.86
8.0.50.0000.00716.73
8.0.30.0080.01417.09
8.0.20.0130.00716.94
8.0.10.0080.00017.07
8.0.00.0160.01916.67
7.4.330.0000.00513.01
7.4.320.0000.00616.43
7.4.300.0000.00616.63
7.4.290.0040.00416.43
7.4.280.0000.00816.51
7.4.270.0030.00316.61
7.4.260.0050.00013.30
7.4.250.0050.00316.49
7.4.240.0020.00516.49
7.4.230.0060.00016.44
7.4.220.0100.00716.67
7.4.210.0030.01316.52
7.4.200.0000.00816.63
7.4.190.0070.00016.77
7.4.160.0090.00916.40
7.4.150.0220.00616.45
7.4.140.0150.00416.47
7.4.130.0050.01416.44
7.4.120.0100.00716.60
7.4.110.0110.00616.66
7.4.100.0090.00916.58
7.4.90.0110.00716.38
7.4.80.0100.00719.39
7.4.70.0100.00716.42
7.4.60.0090.00616.45
7.4.50.0060.00616.55
7.4.40.0070.00716.27
7.4.30.0130.00316.71
7.4.00.0090.00615.23
7.3.330.0030.00313.39
7.3.320.0020.00213.23
7.3.310.0030.00316.40
7.3.300.0030.00516.38
7.3.290.0080.00616.34
7.3.280.0090.00916.34
7.3.270.0160.00716.30
7.3.260.0110.00716.53
7.3.250.0090.01116.39
7.3.240.0090.01516.38
7.3.230.0050.01116.39
7.3.210.0070.01216.48
7.3.200.0030.01316.43
7.3.190.0100.01016.68
7.3.180.0030.01316.33
7.3.170.0110.00416.34
7.3.160.0120.00416.51
7.3.120.0060.00914.75
7.3.10.0020.01316.51
7.3.00.0040.00916.73
7.2.330.0100.00916.79
7.2.320.0180.00016.53
7.2.310.0090.01216.49
7.2.300.0060.01216.78
7.2.290.0110.00716.53
7.2.130.0080.00716.73
7.2.120.0080.00916.71
7.2.110.0100.00716.81
7.2.100.0110.00716.84
7.2.90.0070.00816.96
7.2.80.0090.00516.57
7.2.70.0110.01016.80
7.2.60.0140.00416.83
7.2.50.0120.00516.77
7.2.40.0050.01316.84
7.2.30.0060.00816.86
7.2.20.0090.00916.82
7.2.10.0100.00516.83
7.2.00.0090.00917.71
7.1.250.0070.00515.35
7.1.100.0040.01218.07
7.1.70.0000.01017.13
7.1.60.0130.01319.40
7.1.50.0060.01616.78
7.1.00.0000.03722.24
7.0.200.0000.01016.73
7.0.140.0030.07322.02
7.0.120.0100.06722.02
7.0.60.0030.05721.65
7.0.50.0030.04017.86
7.0.40.0130.03320.11
7.0.30.0270.04020.24
7.0.20.0270.08720.15
7.0.10.0030.04720.16
7.0.00.0070.07320.27
5.6.280.0070.07321.08
5.6.210.0000.08720.67
5.6.200.0030.09018.14
5.6.190.0100.08320.60
5.6.180.0230.09020.50
5.6.170.0400.06720.45
5.6.160.0030.04720.46
5.6.150.0000.07018.21
5.6.140.0100.08018.13
5.6.130.0070.05018.18
5.6.120.0200.07021.03
5.6.110.0200.07321.10
5.6.100.0170.06321.12
5.6.90.0000.04721.01
5.6.80.0030.05720.39
5.5.350.0000.08720.48
5.5.340.0030.05317.95
5.5.330.0070.04720.42
5.5.320.0200.04320.20
5.5.310.0270.07020.27
5.5.300.0100.07317.94
5.5.290.0030.04017.98
5.5.280.0000.04720.86
5.5.270.0070.04020.68
5.5.260.0000.08720.89
5.5.250.0130.03320.70
5.5.240.0300.06320.09
5.4.450.0030.07019.18
5.4.440.0030.07719.20
5.4.430.0030.07019.17
5.4.420.0070.04019.57
5.4.410.0100.06719.50
5.4.400.0070.07319.24
5.4.390.0030.04719.08
5.4.380.0200.06719.15
5.4.370.0030.06319.00
5.4.360.0070.07019.25
5.4.350.0000.05318.98
5.4.340.0070.04318.86
5.4.320.0130.06319.12
5.4.310.0130.03718.92
5.4.300.0070.07719.08
5.4.290.0070.07719.27
5.4.280.0100.06719.16
5.4.270.0000.04718.92
5.4.260.0000.05719.20
5.4.250.0070.08018.95
5.4.240.0170.06019.08
5.4.230.0070.08318.97
5.4.220.0100.07318.91
5.4.210.0200.06318.97
5.4.200.0070.05019.16
5.4.190.0100.06319.06
5.4.180.0000.07019.23
5.4.170.0100.05319.24
5.4.160.0070.04019.22
5.4.150.0030.04018.87
5.4.140.0000.04016.59
5.4.130.0030.03716.28
5.4.120.0000.04716.37
5.4.110.0070.03316.32
5.4.100.0030.03716.32
5.4.90.0030.03316.35
5.4.80.0130.03016.46
5.4.70.0000.04016.50
5.4.60.0030.03316.32
5.4.50.0030.04016.64
5.4.40.0000.03716.44
5.4.30.0030.03316.36
5.4.20.0030.03316.30
5.4.10.0030.03716.41
5.4.00.0030.03315.86
5.3.290.0100.04714.67
5.3.280.0070.08014.60
5.3.270.0130.05314.68
5.3.260.0000.05714.63
5.3.250.0030.03714.67
5.3.240.0070.03314.66
5.3.230.0070.03314.60
5.3.220.0000.04014.73
5.3.210.0070.04014.73
5.3.200.0030.03714.63
5.3.190.0070.03314.57
5.3.180.0030.03714.49
5.3.170.0030.03714.73
5.3.160.0070.03314.65
5.3.150.0070.03714.61
5.3.140.0030.03314.57
5.3.130.0070.03314.72
5.3.120.0030.03714.61
5.3.110.0070.03314.61
5.3.100.0070.03714.05
5.3.90.0000.03714.02
5.3.80.0030.03314.04
5.3.70.0070.03014.10
5.3.60.0000.04313.96
5.3.50.0000.04014.04
5.3.40.0030.03713.96
5.3.30.0000.04013.98
5.3.20.0000.03713.71
5.3.10.0070.03713.67
5.3.00.0030.03713.72
5.2.170.0070.02711.15
5.2.160.0030.02711.22
5.2.150.0030.03311.17
5.2.140.0030.02711.21
5.2.130.0030.03011.19
5.2.120.0000.03311.08
5.2.110.0030.02711.27
5.2.100.0030.03011.18
5.2.90.0000.03711.15
5.2.80.0070.02311.11
5.2.70.0000.03011.17
5.2.60.0070.06311.12
5.2.50.0000.03011.11
5.2.40.0070.02711.00
5.2.30.0030.02710.98
5.2.20.0000.03011.00
5.2.10.0000.03010.87
5.2.00.0100.02010.78
5.1.60.0000.0279.99
5.1.50.0000.04010.00
5.1.40.0070.03310.02
5.1.30.0030.03710.41
5.1.20.0030.05010.45
5.1.10.0030.06010.04
5.1.00.0100.05310.08
5.0.50.0030.0478.63
5.0.40.0070.0378.48
5.0.30.0030.0638.48
5.0.20.0030.0238.48
5.0.10.0070.0338.48
5.0.00.0100.0608.48
4.4.90.0000.0178.48
4.4.80.0000.0138.48
4.4.70.0000.0178.48
4.4.60.0000.0178.48
4.4.50.0030.0108.48
4.4.40.0000.0278.48
4.4.30.0000.0178.48
4.4.20.0070.0338.48
4.4.10.0030.0278.48
4.4.00.0070.0308.48
4.3.110.0030.0308.48
4.3.100.0000.0338.48
4.3.90.0000.0308.48
4.3.80.0000.0538.48
4.3.70.0000.0208.48
4.3.60.0000.0338.48
4.3.50.0000.0408.48
4.3.40.0030.0378.48
4.3.30.0000.0378.48
4.3.20.0000.0408.48
4.3.10.0000.0208.48
4.3.00.0000.0308.48

preferences:
48.95 ms | 401 KiB | 5 Q