3v4l.org

run code in 300+ PHP versions simultaneously
<?php class CantUnserializeThis extends ArrayObject { } $className = 'CantUnserializeThis'; $reflection = new ReflectionClass($className); $serialized = serialize(new ArrayObject()); $chunks = explode(':', $serialized); $serializedValuesChunks = implode(':', array_slice($chunks, 3)); var_dump(unserialize(sprintf( 'C:%d:"%s":%s', strlen($className), $className, $serializedValuesChunks ))); var_dump(unserialize(sprintf( 'O:%d:"%s":%s', strlen($className), $className, $serializedValuesChunks ))); var_dump($reflection->newInstanceWithoutConstructor());

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)
8.3.60.0000.01418.30
8.3.50.0200.00521.89
8.3.40.0100.01018.65
8.3.30.0090.00619.10
8.3.20.0030.00520.39
8.3.10.0000.00823.48
8.3.00.0000.00820.96
8.2.180.0060.00916.88
8.2.170.0060.00922.96
8.2.160.0100.00320.35
8.2.150.0040.00425.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00420.84
8.2.110.0060.00322.08
8.2.100.0060.00617.78
8.2.90.0050.00319.09
8.2.80.0030.00617.97
8.2.70.0050.00517.38
8.2.60.0070.00317.80
8.2.50.0000.00918.07
8.2.40.0040.00421.04
8.2.30.0000.00718.25
8.2.20.0040.00417.54
8.2.10.0030.00517.97
8.2.00.0040.00417.68
8.1.280.0040.01125.92
8.1.270.0080.00021.93
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0050.00523.86
8.1.230.0060.00619.01
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0030.00617.23
8.1.190.0040.00417.11
8.1.180.0060.00318.10
8.1.170.0000.00818.61
8.1.160.0080.00021.95
8.1.150.0000.00818.57
8.1.140.0050.00317.30
8.1.130.0030.00317.84
8.1.120.0070.00017.46
8.1.110.0040.00417.28
8.1.100.0070.00017.39
8.1.90.0040.00417.39
8.1.80.0030.00317.39
8.1.70.0040.00417.38
8.1.60.0040.00817.48
8.1.50.0040.00417.50
8.1.40.0110.00017.34
8.1.30.0040.00417.45
8.1.20.0000.00817.53
8.1.10.0040.00417.45
8.1.00.0030.00517.50
8.0.300.0000.00718.77
8.0.290.0000.00716.58
8.0.280.0050.00318.29
8.0.270.0000.00817.19
8.0.260.0080.00017.20
8.0.250.0000.00816.93
8.0.240.0000.00716.97
8.0.230.0040.00417.02
8.0.220.0070.00016.80
8.0.210.0050.00216.95
8.0.200.0000.00816.94
8.0.190.0070.00017.00
8.0.180.0090.00016.82
8.0.170.0040.00416.92
8.0.160.0030.00416.78
8.0.150.0070.00016.88
8.0.140.0050.00316.75
8.0.130.0020.00513.36
8.0.120.0000.00816.75
8.0.110.0040.00416.71
8.0.100.0070.00016.79
8.0.90.0020.00516.88
8.0.80.0160.00616.84
8.0.70.0040.00416.75
8.0.60.0030.00316.87
8.0.50.0040.00416.77
8.0.30.0100.00916.99
8.0.20.0100.00917.40
8.0.10.0000.00716.96
8.0.00.0070.01416.63
7.4.330.0030.00315.01
7.4.320.0030.00316.55
7.4.300.0000.00616.54
7.4.290.0030.00516.53
7.4.280.0030.00516.45
7.4.270.0040.00316.53
7.4.260.0050.00316.41
7.4.250.0040.00416.43
7.4.240.0020.00516.48
7.4.230.0070.00016.44
7.4.220.0040.01516.37
7.4.210.0070.01016.43
7.4.200.0070.00016.52
7.4.190.0040.00416.69
7.4.160.0090.00616.51
7.4.150.0070.01417.40
7.4.140.0100.00917.86
7.4.130.0130.00616.39
7.4.120.0100.00716.48
7.4.110.0130.01016.52
7.4.100.0130.00916.38
7.4.90.0070.01116.30
7.4.80.0070.01519.39
7.4.70.0120.00416.28
7.4.60.0090.01116.48
7.4.50.0060.00316.55
7.4.40.0080.01216.36
7.4.30.0070.01016.42
7.4.00.0050.00814.66
7.3.330.0060.00013.15
7.3.320.0030.00313.38
7.3.310.0000.00716.35
7.3.300.0000.00716.18
7.3.290.0150.00316.28
7.3.280.0110.00616.25
7.3.270.0110.00617.40
7.3.260.0090.01016.38
7.3.250.0130.01016.30
7.3.240.0070.01116.26
7.3.230.0060.01116.39
7.3.210.0130.00316.29
7.3.200.0100.00619.39
7.3.190.0060.01116.53
7.3.180.0090.00616.47
7.3.170.0140.00716.44
7.3.160.0040.01116.56
7.3.120.0060.01014.61
7.3.110.0000.01514.70
7.3.100.0060.01014.63
7.3.90.0000.00915.05
7.3.80.0030.01014.68
7.3.70.0040.00914.76
7.3.60.0000.01414.75
7.3.50.0090.00314.57
7.3.40.0060.00614.82
7.3.30.0040.00714.61
7.3.20.0100.00716.52
7.3.10.0100.00516.44
7.3.00.0080.01016.27
7.2.330.0150.00316.55
7.2.320.0000.01716.68
7.2.310.0030.01516.36
7.2.300.0160.00616.35
7.2.290.0030.01516.66
7.2.250.0120.00614.93
7.2.240.0070.01014.83
7.2.230.0060.01014.57
7.2.220.0040.01015.16
7.2.210.0030.01014.87
7.2.200.0090.00614.97
7.2.190.0030.00914.75
7.2.180.0060.00614.81
7.2.170.0000.01514.87
7.2.130.0130.00316.59
7.2.120.0080.01116.50
7.2.110.0180.00516.34
7.2.100.0170.00416.63
7.2.90.0160.01116.48
7.2.80.0110.00716.35
7.2.70.0210.00816.57
7.2.60.0070.00916.61
7.2.50.0120.00616.85
7.2.40.0090.01216.38
7.2.30.0230.00316.81
7.2.20.0090.01216.54
7.2.10.0130.00816.35
7.2.00.0090.01318.13
7.1.330.0000.01415.88
7.1.320.0060.00915.86
7.1.310.0040.00715.75
7.1.300.0110.00415.77
7.1.290.0030.00915.65
7.1.280.0000.01115.82
7.1.270.0000.01215.60
7.1.260.0060.00915.70
7.1.250.0060.00915.71
7.1.200.0000.00915.54
7.1.100.0060.00918.18
7.1.70.0040.00417.12
7.1.60.0100.01319.46
7.1.50.0090.00316.91
7.1.00.0070.07022.40
7.0.200.0000.00816.39
7.0.140.0070.07021.99
7.0.100.0100.08320.09
7.0.90.0270.07019.89
7.0.80.0300.07319.90
7.0.70.0200.05020.16
7.0.60.0230.05319.88
7.0.50.0230.05320.33
7.0.40.0100.06320.18
7.0.30.0070.06720.14
7.0.20.0070.05020.13
7.0.10.0130.06720.09
7.0.00.0100.05720.10
5.6.250.0130.07320.73
5.6.240.0030.08320.61
5.6.230.0130.06720.69
5.6.220.0100.04320.69
5.6.210.0100.04320.56
5.6.200.0070.06721.04
5.6.190.0170.08021.12
5.6.180.0130.05721.04
5.6.170.0030.05320.94
5.6.160.0100.08021.08
5.6.150.0100.05021.13
5.6.140.0030.04721.11
5.6.130.0000.07321.02
5.6.120.0100.04321.09
5.6.110.0100.04021.06
5.6.100.0070.05321.03
5.6.90.0100.05720.91
5.6.80.0000.05020.50
5.6.70.0030.04020.48
5.6.60.0030.04320.39
5.6.50.0100.03720.32
5.6.40.0100.05020.49
5.6.30.0100.05020.44
5.6.20.0100.04320.44
5.6.10.0130.05320.36
5.6.00.0030.06020.29
5.5.380.0070.07720.46
5.5.370.0100.04020.36
5.5.360.0070.04020.41
5.5.350.0000.05020.40
5.5.340.0070.04720.78
5.5.330.0130.06720.77
5.5.320.0100.05020.87
5.5.310.0030.06320.78
5.5.300.0070.05320.64
5.5.290.0030.05020.93
5.5.280.0030.04720.83
5.5.270.0000.06020.91
5.5.260.0100.06320.83
5.5.250.0100.05020.71
5.5.240.0070.04020.11
5.5.230.0030.04020.11
5.5.220.0100.03720.21
5.5.210.0200.03320.16
5.5.200.0030.05020.23
5.5.190.0100.04020.13
5.5.180.0100.06720.27
5.5.160.0000.05020.21
5.5.150.0170.04320.14
5.5.140.0100.04320.22
5.5.130.0130.05020.23
5.5.120.0130.06319.99
5.5.110.0000.05320.27
5.5.100.0000.05720.11
5.5.90.0200.06020.09
5.5.80.0170.06020.07
5.5.70.0070.06720.07
5.5.60.0170.05320.16
5.5.50.0030.05320.10
5.5.40.0170.05020.05
5.5.30.0070.05020.07
5.5.20.0070.08320.06
5.5.10.0130.06020.03
5.5.00.0070.07719.99
5.4.450.0100.07319.54
5.4.440.0030.04319.53
5.4.430.0070.07719.17
5.4.420.0100.06719.55
5.4.410.0000.04719.31
5.4.400.0130.03019.10
5.4.390.0000.04319.16
5.4.380.0130.03019.14
5.4.370.0030.04319.04
5.4.360.0070.05718.90
5.4.350.0030.04019.14
5.4.340.0070.03719.13
5.4.320.0030.05718.95
5.4.310.0100.06719.13
5.4.300.0070.03719.02
5.4.290.0070.04019.12
5.4.280.0100.05319.04
5.4.270.0030.06719.15
5.4.260.0000.05018.89
5.4.250.0070.07319.20
5.4.240.0070.03719.12
5.4.230.0070.06318.86
5.4.220.0030.05718.87
5.4.210.0070.04319.08
5.4.200.0070.04319.18
5.4.190.0170.06319.12
5.4.180.0070.05018.89
5.4.170.0070.05019.13
5.4.160.0000.05319.12
5.4.150.0030.04718.84
5.4.140.0100.03716.41
5.4.130.0100.05016.44
5.4.120.0070.04016.41
5.4.110.0000.04716.36
5.4.100.0100.03316.50
5.4.90.0170.04716.36
5.4.80.0070.06016.35
5.4.70.0070.06316.41
5.4.60.0030.03716.36
5.4.50.0070.06316.34
5.4.40.0070.03716.46
5.4.30.0130.03016.50
5.4.20.0030.03716.35
5.4.10.0030.05016.47
5.4.00.0070.04015.64
5.3.290.0070.03714.67
5.3.280.0070.05714.67
5.3.270.0070.04314.56
5.3.260.0130.06714.61
5.3.250.0130.03314.55
5.3.240.0070.03714.55
5.3.230.0100.04714.72
5.3.220.0070.05014.64
5.3.210.0030.04714.74
5.3.200.0030.03714.72
5.3.190.0100.05714.64
5.3.180.0100.05014.50
5.3.170.0030.05014.63
5.3.160.0030.04014.63
5.3.150.0100.04714.53
5.3.140.0030.04314.66
5.3.130.0070.03714.57
5.3.120.0030.04314.67
5.3.110.0070.03714.52
5.3.100.0000.04714.07
5.3.90.0000.05014.09
5.3.80.0030.06013.92
5.3.70.0100.03313.95
5.3.60.0070.04314.04
5.3.50.0130.04013.98
5.3.40.0070.05014.10
5.3.30.0030.05313.95
5.3.20.0170.04713.82
5.3.10.0070.03713.71
5.3.00.0030.04713.66
5.2.170.0000.03711.27
5.2.160.0030.04011.18
5.2.150.0030.04011.16
5.2.140.0030.05011.23
5.2.130.0070.05011.25
5.2.120.0100.02711.17
5.2.110.0000.03711.02
5.2.100.0030.03311.06
5.2.90.0000.04311.21
5.2.80.0130.03311.01
5.2.70.0030.03311.14
5.2.60.0070.03310.96
5.2.50.0000.03311.14
5.2.40.0030.03010.86
5.2.30.0070.04010.92
5.2.20.0100.05010.99
5.2.10.0070.05710.86
5.2.00.0070.04710.74
5.1.60.0030.03310.54
5.1.50.0000.04010.54
5.1.40.0000.03710.54
5.1.30.0000.03710.54
5.1.20.0000.04010.54
5.1.10.0000.03310.54
5.1.00.0030.03010.54
5.0.50.0030.02010.54
5.0.40.0000.03010.54
5.0.30.0000.04710.54
5.0.20.0070.03310.54
5.0.10.0070.03010.54
5.0.00.0030.06010.54
4.4.90.0000.02010.54
4.4.80.0000.02010.54
4.4.70.0030.03010.54
4.4.60.0000.04010.54
4.4.50.0000.02710.54
4.4.40.0030.03310.54
4.4.30.0000.02710.54
4.4.20.0000.03010.54
4.4.10.0000.03710.54
4.4.00.0030.02710.54
4.3.110.0070.03310.54
4.3.100.0100.02710.54
4.3.90.0000.03310.54
4.3.80.0030.04310.54
4.3.70.0030.01710.54
4.3.60.0030.02710.54
4.3.50.0030.02310.54
4.3.40.0000.04010.54
4.3.30.0070.02010.54
4.3.20.0000.02010.54
4.3.10.0030.02010.54
4.3.00.0100.01310.54

preferences:
40.19 ms | 401 KiB | 5 Q