3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { 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; echo $oC->A === $oC->B->A ? "yes" : "no", "\n"; echo serialize($oC->A) === serialize($oC->B->A) ? 'yes' : 'no', "\n"; $ser = serialize($oC); echo $ser, "\n"; $new_oC = unserialize($ser); echo $new_oC->A === $new_oC->B->A ? "yes" : "no", "\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)
8.3.60.0140.00316.49
8.3.50.0100.00922.11
8.3.40.0100.00718.84
8.3.30.0130.00318.65
8.3.20.0080.00818.77
8.3.10.0030.00521.11
8.3.00.0000.00823.64
8.2.180.0120.00616.75
8.2.170.0110.00422.96
8.2.160.0100.00320.52
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0080.00019.95
8.2.110.0110.00020.51
8.2.100.0110.00017.91
8.2.90.0040.00419.05
8.2.80.0030.00618.04
8.2.70.0060.00317.63
8.2.60.0000.00918.05
8.2.50.0000.00818.07
8.2.40.0000.00818.20
8.2.30.0000.00721.18
8.2.20.0000.00717.61
8.2.10.0050.00317.58
8.2.00.0040.00417.58
8.1.280.0040.01125.92
8.1.270.0040.00423.99
8.1.260.0150.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00022.48
8.1.230.0040.00720.73
8.1.220.0080.00018.77
8.1.210.0000.00818.77
8.1.200.0060.00317.22
8.1.190.0060.00317.53
8.1.180.0040.00418.10
8.1.170.0030.00618.51
8.1.160.0000.00718.91
8.1.150.0030.00518.50
8.1.140.0070.00017.32
8.1.130.0000.00717.85
8.1.120.0080.00017.32
8.1.110.0020.00517.44
8.1.100.0040.00417.32
8.1.90.0000.00717.37
8.1.80.0000.00717.40
8.1.70.0030.00317.31
8.1.60.0040.00717.43
8.1.50.0000.00817.50
8.1.40.0000.00817.47
8.1.30.0000.00817.54
8.1.20.0030.00617.66
8.1.10.0040.00417.46
8.1.00.0040.00417.55
8.0.300.0050.00319.88
8.0.290.0040.00417.05
8.0.280.0070.00018.47
8.0.270.0000.00717.27
8.0.260.0000.00716.91
8.0.250.0050.00317.05
8.0.240.0000.00817.03
8.0.230.0040.00416.93
8.0.220.0090.00016.91
8.0.210.0000.00616.93
8.0.200.0030.00316.84
8.0.190.0050.00216.93
8.0.180.0070.00016.95
8.0.170.0000.00716.95
8.0.160.0000.00716.95
8.0.150.0030.00316.86
8.0.140.0030.00516.88
8.0.130.0060.00013.34
8.0.120.0050.00316.89
8.0.110.0000.00816.82
8.0.100.0030.00517.02
8.0.90.0000.00816.70
8.0.80.0000.02016.89
8.0.70.0050.00317.00
8.0.60.0050.00216.78
8.0.50.0080.00016.96
8.0.30.0130.00517.04
8.0.20.0130.00617.40
8.0.10.0000.00716.91
8.0.00.0080.01416.80
7.4.330.0000.00514.73
7.4.320.0000.00716.52
7.4.300.0060.00016.57
7.4.290.0070.00016.51
7.4.280.0000.00716.63
7.4.270.0020.00516.55
7.4.260.0000.00513.26
7.4.250.0000.00716.54
7.4.240.0040.00416.57
7.4.230.0050.00216.43
7.4.220.0140.00316.50
7.4.210.0070.00716.64
7.4.200.0030.00316.69
7.4.190.0030.00316.52
7.4.160.0130.00316.45
7.4.150.0070.01017.40
7.4.140.0140.00717.86
7.4.130.0060.01316.52
7.4.120.0100.00816.50
7.4.110.0100.00716.51
7.4.100.0110.00616.60
7.4.90.0140.00316.42
7.4.80.0040.01219.39
7.4.70.0120.00616.51
7.4.60.0110.00616.45
7.4.50.0040.00416.67
7.4.40.0060.00922.52
7.4.30.0100.00716.55
7.4.00.0080.00514.88
7.3.330.0050.00013.26
7.3.320.0000.00613.33
7.3.310.0030.00316.23
7.3.300.0070.00016.38
7.3.290.0130.00316.34
7.3.280.0100.00916.35
7.3.270.0030.01417.40
7.3.260.0090.01118.24
7.3.250.0150.00416.46
7.3.240.0140.00716.51
7.3.230.0090.00916.64
7.3.210.0130.00316.63
7.3.200.0100.01319.39
7.3.190.0180.00016.47
7.3.180.0030.01216.31
7.3.170.0050.01116.61
7.3.160.0070.01016.54
7.3.120.0090.00914.93
7.3.110.0070.00814.61
7.3.100.0100.00515.00
7.3.90.0080.00514.78
7.3.80.0070.00515.01
7.3.70.0090.00514.86
7.3.60.0030.01014.81
7.3.50.0020.01314.80
7.3.40.0120.00614.82
7.3.30.0060.00814.79
7.3.20.0050.01016.54
7.3.10.0030.01016.71
7.3.00.0080.00716.69
7.2.330.0130.00316.71
7.2.320.0080.00816.81
7.2.310.0100.01316.60
7.2.300.0030.01316.90
7.2.290.0100.00616.44
7.2.250.0070.00915.00
7.2.240.0070.01214.98
7.2.230.0040.00815.21
7.2.220.0000.01215.18
7.2.210.0050.00915.14
7.2.200.0050.01115.04
7.2.190.0100.00415.04
7.2.180.0000.01215.06
7.2.170.0020.01414.95
7.2.160.0060.00914.83
7.2.150.0120.00316.87
7.2.140.0090.00917.10
7.2.130.0100.00316.98
7.2.120.0040.00817.11
7.2.110.0080.00616.84
7.2.100.0060.00617.00
7.2.90.0070.00716.93
7.2.80.0100.00716.90
7.2.70.0140.00416.94
7.2.60.0090.00616.88
7.2.50.0070.00716.94
7.2.40.0040.00717.06
7.2.30.0060.01016.82
7.2.20.0070.01016.89
7.2.10.0030.01016.84
7.2.00.0000.01816.91
7.1.330.0050.01015.87
7.1.320.0030.01015.83
7.1.310.0070.00715.82
7.1.300.0050.00815.63
7.1.290.0050.01115.73
7.1.280.0060.01015.80
7.1.270.0060.00615.73
7.1.260.0090.00515.83
7.1.250.0040.01215.77
7.1.200.0130.00015.91
7.1.70.0060.00317.13
7.1.60.0100.01619.40
7.1.50.0160.01234.83
7.1.00.0070.07322.43
7.0.200.0000.00816.69
7.0.140.0000.07722.00
7.0.70.0030.07021.75
7.0.60.0070.06721.86
7.0.50.0100.06022.19
7.0.40.0030.08320.12
7.0.30.0130.07720.08
7.0.20.0100.08020.13
7.0.10.0070.07020.16
7.0.00.0030.06020.13
5.6.280.0100.06720.90
5.6.220.0030.08020.49
5.6.210.0030.07020.76
5.6.200.0070.08021.04
5.6.190.0000.08321.11
5.6.180.0070.08021.03
5.6.170.0100.07321.03
5.6.160.0100.07321.09
5.6.150.0030.08320.94
5.6.140.0000.04321.05
5.6.130.0030.04021.13
5.6.120.0000.04321.11
5.6.110.0070.04021.02
5.6.100.0030.03721.08
5.6.90.0030.03321.01
5.6.80.0000.03320.50
5.6.70.0000.04020.43
5.6.60.0030.03720.32
5.6.50.0030.03720.43
5.6.40.0030.03020.48
5.6.30.0030.03020.39
5.6.20.0000.04020.38
5.6.10.0030.03020.40
5.6.00.0000.03320.37
5.5.360.0030.08720.51
5.5.350.0030.08020.45
5.5.340.0000.05320.84
5.5.330.0070.08020.89
5.5.320.0070.05020.88
5.5.310.0100.08020.61
5.5.300.0000.04320.65
5.5.290.0030.04020.90
5.5.280.0000.04320.75
5.5.270.0030.04020.89
5.5.260.0070.03020.80
5.5.250.0000.03320.62
5.5.240.0000.03320.30
5.5.230.0070.04020.22
5.5.220.0100.03020.11
5.5.210.0000.04020.30
5.5.200.0070.04020.26
5.5.190.0030.03020.29
5.5.180.0070.02720.12
5.5.160.0030.03720.25
5.5.150.0030.03020.27
5.5.140.0000.03320.22
5.5.130.0000.03320.28
5.5.120.0000.03320.21
5.5.110.0030.03320.17
5.5.100.0000.03320.03
5.5.90.0030.03320.08
5.5.80.0000.03320.14
5.5.70.0070.03020.06
5.5.60.0000.03320.15
5.5.50.0000.03020.11
5.5.40.0000.03320.05
5.5.30.0070.03320.16
5.5.20.0100.03320.07
5.5.10.0030.03020.02
5.5.00.0000.03320.05
5.4.450.0070.03319.47
5.4.440.0000.04319.37
5.4.430.0030.03719.22
5.4.420.0000.03319.21
5.4.410.0070.02719.31
5.4.400.0030.03019.05
5.4.390.0030.03018.87
5.4.380.0030.03318.95
5.4.370.0030.03718.90
5.4.360.0000.04319.16
5.4.350.0000.03019.16
5.4.340.0000.03318.87
5.4.320.0070.04718.85
5.4.310.0030.03018.82
5.4.300.0030.03019.20
5.4.290.0000.03019.13
5.4.280.0000.03719.20
5.4.270.0030.02719.22
5.4.260.0000.03718.84
5.4.250.0000.03019.02
5.4.240.0000.03019.04
5.4.230.0000.04019.04
5.4.220.0030.03019.22
5.4.210.0000.03019.13
5.4.200.0000.03319.05
5.4.190.0030.03319.14
5.4.180.0030.03719.07
5.4.170.0000.03019.23
5.4.160.0030.02719.15
5.4.150.0000.03019.00
5.4.140.0030.02716.55
5.4.130.0000.03016.33
5.4.120.0030.02716.47
5.4.110.0030.05016.38
5.4.100.0030.05316.34
5.4.90.0070.06016.40
5.4.80.0030.05316.55
5.4.70.0070.07016.43
5.4.60.0030.05716.42
5.4.50.0000.07316.49
5.4.40.0030.03316.49
5.4.30.0000.06316.43
5.4.20.0030.07016.43
5.4.10.0000.06016.36
5.4.00.0000.05715.90
5.3.290.0030.04714.63
5.3.280.0070.02714.73
5.3.270.0000.03014.76
5.3.260.0000.03314.55
5.3.250.0030.03014.64
5.3.240.0000.03314.55
5.3.230.0070.03714.57
5.3.220.0000.03014.69
5.3.210.0030.07314.54
5.3.200.0030.07714.65
5.3.190.0070.07314.53
5.3.180.0070.07714.52
5.3.170.0000.05014.63
5.3.160.0030.07714.64
5.3.150.0130.05014.73
5.3.140.0000.04314.55
5.3.130.0030.06714.50
5.3.120.0100.06014.56
5.3.110.0070.08014.55
5.3.100.0030.06314.02
5.3.90.0000.06713.95
5.3.80.0000.06714.14
5.3.70.0000.05713.92
5.3.60.0030.07014.01
5.3.50.0030.07013.89
5.3.40.0070.05014.02
5.3.30.0070.07013.99
5.3.20.0000.07313.70
5.3.10.0030.06713.71
5.3.00.0000.07713.56
5.2.170.0000.03311.34
5.2.160.0000.05711.34
5.2.150.0000.04311.34
5.2.140.0070.06011.34
5.2.130.0070.04311.34
5.2.120.0070.06011.34
5.2.110.0070.05011.34
5.2.100.0070.04311.34
5.2.90.0030.04011.34
5.2.80.0070.05711.34
5.2.70.0000.05711.34
5.2.60.0130.04711.34
5.2.50.0000.05711.34
5.2.40.0030.06011.34
5.2.30.0100.04711.34
5.2.20.0030.05011.34
5.2.10.0070.02711.34
5.2.00.0030.06011.34
5.1.60.0000.05711.34
5.1.50.0070.05011.34
5.1.40.0070.04711.34
5.1.30.0030.05711.34
5.1.20.0030.05011.34
5.1.10.0000.04711.34
5.1.00.0030.05011.34
5.0.50.0000.04311.34
5.0.40.0100.03011.34
5.0.30.0070.06011.34
5.0.20.0000.04011.34
5.0.10.0000.03711.34
5.0.00.0030.04011.34
4.4.90.0030.03011.34
4.4.80.0000.03711.34
4.4.70.0000.02311.34
4.4.60.0070.01311.34
4.4.50.0030.02711.34
4.4.40.0000.05011.34
4.4.30.0030.03311.34
4.4.20.0000.03311.34
4.4.10.0000.03011.34
4.4.00.0000.04711.34
4.3.110.0070.02711.34
4.3.100.0030.03311.34
4.3.90.0000.03311.34
4.3.80.0030.04011.34
4.3.70.0030.02311.34
4.3.60.0000.03311.34
4.3.50.0030.03311.34
4.3.40.0070.05011.34
4.3.30.0030.02711.34
4.3.20.0000.04011.34
4.3.10.0000.03311.34
4.3.00.0000.03011.34

preferences:
42.04 ms | 401 KiB | 5 Q