3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foobar implements \Serializable { /** @return string */ public function serialize(): string { return serialize(new \DateTimeZone('Europe/Andorra')); } /** @param string $serialized */ public function unserialize($serialized) { var_dump($serialized); var_dump(unserialize($serialized)->getName()); } } (new Foobar())->unserialize((new Foobar())->serialize()); var_dump(unserialize(serialize(new Foobar())));

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)
8.3.70.0090.00618.68
8.3.60.0070.01418.43
8.3.50.0090.00916.23
8.3.40.0070.01118.97
8.3.30.0120.00318.85
8.3.20.0000.00720.39
8.3.10.0000.00823.57
8.3.00.0050.00319.68
8.2.180.0120.00618.43
8.2.170.0150.00019.21
8.2.160.0070.00722.96
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0000.00819.89
8.2.110.0100.00021.11
8.2.100.0040.00718.05
8.2.90.0040.00419.30
8.2.80.0080.00017.97
8.2.70.0040.00417.75
8.2.60.0030.00517.75
8.2.50.0040.00417.75
8.2.40.0030.00619.50
8.2.30.0040.00419.32
8.2.20.0040.00418.05
8.2.10.0050.00318.20
8.2.00.0040.00418.28
8.1.280.0140.00025.92
8.1.270.0040.00422.17
8.1.260.0000.00826.35
8.1.250.0030.00628.09
8.1.240.0050.00520.86
8.1.230.0000.01120.98
8.1.220.0000.00917.74
8.1.210.0080.00018.77
8.1.200.0030.00617.48
8.1.190.0040.00717.25
8.1.180.0000.00918.10
8.1.170.0000.00917.62
8.1.160.0000.00718.87
8.1.150.0000.00720.20
8.1.140.0020.00517.61
8.1.130.0040.00418.91
8.1.120.0000.01017.59
8.1.110.0030.00317.42
8.1.100.0030.00417.59
8.1.90.0060.00317.42
8.1.80.0040.00417.50
8.1.70.0000.00817.59
8.1.60.0030.00617.48
8.1.50.0000.00817.44
8.1.40.0030.00517.52
8.1.30.0080.00017.66
8.1.20.0060.00317.62
8.1.10.0040.00417.46
8.1.00.0000.00817.55
8.0.300.0040.00418.77
8.0.290.0000.00816.88
8.0.280.0000.00718.49
8.0.270.0000.00917.24
8.0.260.0000.00717.04
8.0.250.0070.00017.11
8.0.240.0000.00717.16
8.0.230.0050.00217.18
8.0.220.0030.00317.14
8.0.210.0080.00017.09
8.0.200.0030.00617.17
8.0.190.0030.00517.07
8.0.180.0050.00317.16
8.0.170.0030.00617.13
8.0.160.0040.00417.14
8.0.150.0000.01116.95
8.0.140.0050.00317.09
8.0.130.0050.00313.55
8.0.120.0070.00017.04
8.0.110.0050.00217.10
8.0.100.0030.00516.89
8.0.90.0000.00717.11
8.0.80.0140.00717.07
8.0.70.0000.00817.08
8.0.60.0040.00417.14
8.0.50.0040.00417.22
8.0.30.0060.01217.25
8.0.20.0130.00717.40
8.0.10.0070.00017.27
8.0.00.0140.00816.79
7.4.330.0030.00315.55
7.4.320.0030.00316.61
7.4.300.0000.00616.52
7.4.290.0070.00016.55
7.4.280.0000.00916.52
7.4.270.0000.00716.45
7.4.260.0000.00716.57
7.4.250.0050.00216.50
7.4.240.0070.00016.53
7.4.230.0040.00416.43
7.4.220.0050.00316.50
7.4.210.0070.00716.43
7.4.200.0030.00316.61
7.4.160.0050.01516.60
7.4.150.0030.01617.40
7.4.140.0110.00817.86
7.4.130.0140.00516.46
7.4.120.0110.00816.55
7.4.110.0090.01316.39
7.4.100.0100.01016.61
7.4.90.0190.00416.59
7.4.80.0160.00416.44
7.4.70.0140.00716.79
7.4.60.0030.01716.59
7.4.50.0130.01116.61
7.4.40.0090.01216.43
7.4.30.0110.01116.59
7.4.20.0130.00716.52
7.4.10.0190.00316.19
7.4.00.0100.01416.82
7.3.330.0060.00013.27
7.3.320.0030.00313.27
7.3.310.0040.00416.35
7.3.300.0030.00316.39
7.3.290.0040.01216.41
7.3.280.0090.01116.46
7.3.270.0150.00917.40
7.3.260.0090.01016.49
7.3.250.0070.01416.48
7.3.240.0130.00516.56
7.3.230.0170.00616.55
7.3.220.0090.01316.46
7.3.210.0120.00616.27
7.3.200.0100.01016.50
7.3.190.0180.00716.41
7.3.180.0030.01716.38
7.3.170.0110.00816.58
7.3.160.0160.00516.50
7.3.150.0180.00316.43
7.3.140.0140.01116.46
7.3.130.0090.01516.61
7.3.120.0200.00316.50
7.3.110.0180.00916.54
7.3.100.0080.01216.44
7.3.90.0120.00416.42
7.3.80.0140.01116.55
7.3.70.0120.00616.31
7.3.60.0200.00016.48
7.3.50.0080.01916.45
7.3.40.0080.01216.43
7.3.30.0190.00016.39
7.3.20.0180.00316.43
7.3.10.0180.00616.41
7.3.00.0250.00416.38
7.2.340.0180.01116.41
7.2.330.0240.00316.79
7.2.320.0190.00416.78
7.2.310.0100.01316.49
7.2.300.0160.00816.30
7.2.290.0120.01216.37
7.2.280.0210.00316.56
7.2.270.0180.00916.38
7.2.260.0120.01216.61
7.2.250.0180.00616.29
7.2.240.0170.01716.38
7.2.230.0180.00516.75
7.2.220.0180.01216.31
7.2.210.0180.00716.68
7.2.200.0160.01516.53
7.2.190.0220.00616.51
7.2.180.0190.00616.72
7.2.170.0210.00316.27
7.2.160.0180.01216.31
7.2.150.0060.02216.62
7.2.140.0130.02016.47
7.2.130.0250.00916.58
7.2.120.0150.00916.45
7.2.110.0140.01016.39
7.2.100.0180.00716.54
7.2.90.0150.00816.46
7.2.80.0170.01116.56
7.2.70.0110.01216.54
7.2.60.0130.02016.71
7.2.50.0130.01016.43
7.2.40.0180.00616.64
7.2.30.0160.01216.53
7.2.20.0130.01118.11
7.2.10.0180.01216.39
7.2.00.0190.00816.64
7.1.330.0090.01315.35
7.1.320.0290.01215.42
7.1.310.0190.00315.61
7.1.300.0120.01215.59
7.1.290.0100.01315.42
7.1.280.0240.01115.66
7.1.270.0140.01315.36
7.1.260.0170.01115.62
7.1.250.0210.00915.45
7.1.240.0150.00815.10
7.1.230.0120.00815.60
7.1.220.0120.00815.52
7.1.210.0130.01015.36
7.1.200.0170.01215.40
7.1.190.0170.00715.59
7.1.180.0170.00415.34
7.1.170.0140.01015.34
7.1.160.0210.00015.45
7.1.150.0070.01715.41
7.1.140.0190.00315.56
7.1.130.0170.01315.39
7.1.120.0130.00915.48
7.1.110.0370.01015.68
7.1.100.0150.00915.37
7.1.90.0090.01315.64
7.1.80.0220.00715.63
7.1.70.0200.01615.12
7.1.60.0320.01415.17
7.1.50.0180.01315.60
7.1.40.0230.00815.31
7.1.30.0270.00915.40
7.1.20.0250.01115.26
7.1.10.0070.02115.40
7.1.00.0190.01615.36
7.0.330.0170.00615.02
7.0.320.0140.00615.19
7.0.310.0350.00415.29
7.0.300.0110.01115.43
7.0.290.0120.00915.31
7.0.280.0220.00015.43
7.0.270.0240.00815.01
7.0.260.0090.01314.95
7.0.250.0250.00415.23
7.0.240.0130.00815.40
7.0.230.0140.01015.36
7.0.220.0200.00815.23
7.0.210.0090.01815.29
7.0.200.0150.01215.15
7.0.190.0240.00715.10
7.0.180.0180.01415.27
7.0.170.0230.01015.01
7.0.160.0280.00315.10
7.0.150.0400.00715.11
7.0.140.0140.01415.09
7.0.130.0210.00715.16
7.0.120.0130.01315.13
7.0.110.0120.01815.02
7.0.100.0150.01215.11
7.0.90.0330.00915.14
7.0.80.0220.00415.07
7.0.70.0120.01215.04
7.0.60.0120.01215.23
7.0.50.0130.01315.01
7.0.40.0200.00414.82
7.0.30.0130.01414.90
7.0.20.0190.00915.10
7.0.10.0230.00715.18
7.0.00.0220.01115.25
5.6.400.0100.01715.37
5.6.390.0080.01615.56
5.6.380.0110.00815.56
5.6.370.0140.00615.60
5.6.360.0130.00615.37
5.6.350.0110.01115.54
5.6.340.0120.01415.79
5.6.330.0140.01415.67
5.6.320.0180.00915.34
5.6.310.0100.02015.41
5.6.300.0210.00515.36
5.6.290.0140.01115.32
5.6.280.0230.00815.65
5.6.270.0110.01515.36
5.6.260.0160.01215.39
5.6.250.0160.01315.64
5.6.240.0160.01115.49
5.6.230.0100.01715.53
5.6.220.0140.01715.63
5.6.210.0130.01315.30
5.6.200.0060.01715.39
5.6.190.0200.01015.40
5.6.180.0120.01615.66
5.6.170.0060.02315.54
5.6.160.0140.01315.50
5.6.150.0160.01015.09
5.6.140.0210.00615.20
5.6.130.0160.01715.35
5.6.120.0100.01515.69
5.6.110.0140.01515.51
5.6.100.0160.01315.50
5.6.90.0160.01315.34
5.6.80.0140.01415.44
5.6.70.0240.00715.55
5.6.60.0100.01415.21
5.6.50.0220.01015.11
5.6.40.0140.01415.29
5.6.30.0240.00415.46
5.6.20.0170.01415.22
5.6.10.0240.00515.44
5.6.00.0060.02115.46

preferences:
53.41 ms | 400 KiB | 5 Q