3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function __sleep() { return []; } public function __wakeup() { echo 'Called ' . __METHOD__ . PHP_EOL; } } class Bar implements \Serializable { private $foo; public function __construct(Foo $foo) { $this->foo = $foo; } public function serialize() { return serialize($this->foo); } public function unserialize($serialized) { echo 'unserialize Foo' . PHP_EOL; $this->foo = unserialize($serialized); echo 'end unserialize Foo' . PHP_EOL; } } $foo = new Foo(); $bar = new Bar($foo); $barStr = serialize($bar); $newBar = unserialize($barStr);

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)
8.3.60.0040.01118.81
8.3.50.0140.00316.35
8.3.40.0090.00918.87
8.3.30.0170.00318.63
8.3.20.0000.00821.86
8.3.10.0080.00023.52
8.3.00.0050.00319.63
8.2.180.0140.00725.92
8.2.170.0070.00718.79
8.2.160.0070.00722.96
8.2.150.0050.00225.66
8.2.140.0060.00324.66
8.2.130.0000.00722.30
8.2.120.0070.00026.35
8.2.110.0030.00619.32
8.2.100.0030.00917.78
8.2.90.0000.00822.18
8.2.80.0030.00617.97
8.2.70.0000.00817.80
8.2.60.0000.00917.93
8.2.50.0000.00818.10
8.2.40.0000.00820.42
8.2.30.0040.00419.18
8.2.20.0050.00218.14
8.2.10.0060.00318.00
8.2.00.0070.00018.08
8.1.280.0090.00625.92
8.1.270.0080.00020.57
8.1.260.0050.00226.35
8.1.250.0060.00328.09
8.1.240.0080.00421.85
8.1.230.0040.00720.95
8.1.220.0000.00817.79
8.1.210.0000.00918.94
8.1.200.0060.00317.48
8.1.190.0030.00617.22
8.1.180.0030.00518.10
8.1.170.0090.00018.72
8.1.160.0060.00318.95
8.1.150.0000.00718.91
8.1.140.0040.00419.51
8.1.130.0070.00017.44
8.1.120.0000.00817.50
8.1.110.0080.00017.48
8.1.100.0000.00817.45
8.1.90.0040.00417.39
8.1.80.0050.00217.37
8.1.70.0050.00317.50
8.1.60.0000.00717.62
8.1.50.0040.00417.51
8.1.40.0000.00917.51
8.1.30.0040.00417.50
8.1.20.0060.00317.57
8.1.10.0040.00417.64
8.1.00.0050.00317.50
8.0.300.0050.00519.97
8.0.290.0070.00416.75
8.0.280.0000.00718.41
8.0.270.0000.00716.91
8.0.260.0030.00316.82
8.0.250.0030.00317.07
8.0.240.0000.00816.95
8.0.230.0070.00017.04
8.0.220.0070.00016.85
8.0.210.0070.00016.89
8.0.200.0000.00617.03
8.0.190.0000.00816.94
8.0.180.0000.00816.91
8.0.170.0070.00016.98
8.0.160.0040.00417.07
8.0.150.0000.00716.89
8.0.140.0000.00717.00
8.0.130.0000.00813.36
8.0.120.0040.00416.87
8.0.110.0080.00016.98
8.0.100.0080.00016.96
8.0.90.0000.00817.02
8.0.80.0070.01017.00
8.0.70.0040.00417.00
8.0.60.0040.00416.78
8.0.50.0040.00417.03
8.0.30.0140.00617.21
8.0.20.0110.00817.41
8.0.10.0050.00217.09
8.0.00.0030.01416.77
7.4.330.0020.00215.55
7.4.320.0000.00716.48
7.4.300.0000.00716.58
7.4.290.0030.00316.54
7.4.280.0000.00816.55
7.4.270.0000.00716.64
7.4.260.0030.00516.47
7.4.250.0030.00316.63
7.4.240.0070.00016.53
7.4.230.0000.00716.62
7.4.220.0090.00916.65
7.4.210.0060.01116.58
7.4.200.0030.00316.63
7.4.160.0050.01316.41
7.4.150.0060.01617.40
7.4.140.0100.01617.86
7.4.130.0130.00916.50
7.4.120.0090.01316.54
7.4.110.0090.01016.49
7.4.100.0120.00616.32
7.4.90.0110.00516.60
7.4.80.0100.01619.39
7.4.70.0030.01316.68
7.4.60.0150.00516.62
7.4.50.0110.00216.71
7.4.40.0120.00416.43
7.4.30.0090.00916.45
7.4.00.0070.01014.95
7.3.330.0060.00013.33
7.3.320.0000.00613.35
7.3.310.0040.00416.20
7.3.300.0030.00316.38
7.3.290.0070.00016.29
7.3.280.0100.00716.32
7.3.270.0110.00517.40
7.3.260.0100.00716.59
7.3.250.0140.00916.50
7.3.240.0090.00816.57
7.3.230.0030.01516.32
7.3.210.0090.00916.33
7.3.200.0110.00516.42
7.3.190.0030.01216.53
7.3.180.0030.01316.49
7.3.170.0100.00716.42
7.3.160.0130.00316.35
7.3.120.0070.01114.54
7.3.110.0070.01014.89
7.3.100.0110.00714.84
7.3.90.0060.00914.63
7.3.80.0090.00315.02
7.3.70.0030.01014.69
7.3.60.0040.01214.64
7.3.50.0030.00714.63
7.3.40.0100.00314.78
7.3.30.0070.00714.75
7.3.20.0000.01516.45
7.3.10.0070.01016.64
7.3.00.0090.00616.75
7.2.330.0070.01016.77
7.2.320.0090.01416.45
7.2.310.0030.01316.79
7.2.300.0070.01316.74
7.2.290.0090.00616.52
7.2.250.0100.00715.02
7.2.240.0060.01214.97
7.2.230.0030.01315.21
7.2.220.0060.00914.89
7.2.210.0000.01115.23
7.2.200.0070.00415.04
7.2.190.0070.00415.02
7.2.180.0070.00714.96
7.2.170.0030.01315.33
7.2.160.0160.00514.89
7.2.150.0000.01416.76
7.2.140.0110.00717.03
7.2.130.0060.01016.93
7.2.120.0090.00616.98
7.2.110.0070.00317.07
7.2.100.0040.01416.82
7.2.90.0070.00416.98
7.2.80.0070.00416.84
7.2.70.0000.01616.99
7.2.60.0040.00717.02
7.2.50.0090.00316.88
7.2.40.0060.00616.81
7.2.30.0070.01116.74
7.2.20.0130.00317.00
7.2.10.0140.00016.68
7.2.00.0040.01516.77
7.1.330.0100.00315.93
7.1.320.0080.00815.50
7.1.310.0060.00315.53
7.1.300.0040.00415.77
7.1.290.0090.00315.86
7.1.280.0150.00315.74
7.1.270.0070.01115.93
7.1.260.0000.01415.43
7.1.250.0040.01115.59
7.1.240.0060.00616.04
7.1.230.0030.00815.56
7.1.220.0060.00615.54
7.1.210.0120.00315.25
7.1.200.0050.00715.68
7.1.190.0040.00815.88
7.1.180.0130.00015.71
7.1.170.0090.00615.61
7.1.160.0030.00715.70
7.1.150.0000.01415.52
7.1.140.0090.00615.73
7.1.130.0040.01015.86
7.1.120.0030.01015.93
7.1.110.0040.01115.90
7.1.100.0030.00915.59
7.1.90.0080.00815.98
7.1.80.0060.00615.85
7.1.70.0050.00716.27
7.1.60.0050.01116.57
7.1.50.0020.00916.39
7.1.40.0100.00416.01
7.1.30.0040.00816.07
7.1.20.0030.01016.16
7.1.10.0000.01816.03
7.1.00.0050.00516.24
7.0.330.0090.00615.36
7.0.320.0040.00715.30
7.0.310.0040.01115.41
7.0.300.0000.01515.39
7.0.290.0070.00315.52
7.0.280.0070.01015.41
7.0.270.0070.00415.33
7.0.260.0040.01215.13
7.0.250.0000.01315.45
7.0.240.0000.01415.54
7.0.230.0090.00615.52
7.0.220.0060.00315.56
7.0.210.0060.00615.43
7.0.200.0100.00316.06
7.0.190.0020.01116.16
7.0.180.0030.00915.82
7.0.170.0030.00715.88
7.0.160.0030.00615.92
7.0.150.0060.00815.78
7.0.140.0030.01015.94
7.0.130.0020.00816.11
7.0.120.0070.00416.14
7.0.110.0050.00915.95
7.0.100.0060.00515.78
7.0.90.0040.00715.94
7.0.80.0040.00415.92
7.0.70.0020.00715.70
7.0.60.0030.00815.86
7.0.50.0030.00515.83
7.0.40.0030.00714.07
7.0.30.0060.00414.22
7.0.20.0050.00314.03
7.0.10.0050.00514.21
7.0.00.0090.00514.14
5.6.400.0090.00614.37
5.6.390.0060.00914.78
5.6.380.0030.00914.70
5.6.370.0030.01114.25
5.6.360.0120.00314.17
5.6.350.0090.00614.36
5.6.340.0030.01114.36
5.6.330.0060.00914.52
5.6.320.0030.01014.52
5.6.310.0070.00414.29
5.6.300.0100.00714.50
5.6.290.0100.00614.53
5.6.280.0030.01014.21
5.6.270.0100.00714.31
5.6.260.0080.00614.41
5.6.250.0000.01314.44
5.6.240.0040.00914.55
5.6.230.0080.00414.21
5.6.220.0090.00614.24
5.6.210.0040.01214.22
5.6.200.0030.00914.16
5.6.190.0070.00714.07
5.6.180.0030.00614.43
5.6.170.0050.00514.39
5.6.160.0030.00614.45
5.6.150.0000.01414.29
5.6.140.0000.01514.28
5.6.130.0160.00014.50
5.6.120.0070.00314.23
5.6.110.0030.00614.16
5.6.100.0000.01214.43
5.6.90.0060.00614.45
5.6.80.0050.00514.28
5.6.70.0000.00914.43
5.6.60.0030.00614.15
5.6.50.0000.01014.18
5.6.40.0030.00614.01
5.6.30.0070.00714.37
5.6.20.0040.01114.45
5.6.10.0040.00414.30
5.6.00.0100.00314.32

preferences:
63.49 ms | 400 KiB | 5 Q