3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { private $one = 1; private $two = 2; private $three = 3; public function test() {} public function __sleep() { return ['one']; } } $t = new Test; $b = (string) serialize($t); $t = null; echo $b; echo '<pre>'; print_r(unserialize($b)); ?>

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)
8.3.60.0160.00618.53
8.3.50.0090.00918.30
8.3.40.0060.00918.76
8.3.30.0070.00718.34
8.3.20.0040.00420.16
8.3.10.0070.00320.53
8.3.00.0050.00321.90
8.2.180.0090.00916.50
8.2.170.0140.00022.96
8.2.160.0100.00722.09
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0080.00021.03
8.2.120.0040.00426.35
8.2.110.0030.00722.11
8.2.100.0040.00817.93
8.2.90.0000.00819.22
8.2.80.0050.00317.97
8.2.70.0060.00317.63
8.2.60.0040.00417.93
8.2.50.0000.01018.09
8.2.40.0030.00620.53
8.2.30.0070.00019.31
8.2.20.0040.00417.60
8.2.10.0000.00818.03
8.2.00.0000.00818.00
8.1.280.0120.00325.92
8.1.270.0030.00622.01
8.1.260.0040.00428.09
8.1.250.0060.00328.09
8.1.240.0100.00324.03
8.1.230.0110.00017.83
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0170.00017.13
8.1.190.0040.00417.25
8.1.180.0040.00418.10
8.1.170.0040.00418.51
8.1.160.0040.00420.57
8.1.150.0040.00418.79
8.1.140.0000.00819.56
8.1.130.0000.00717.64
8.1.120.0040.00417.41
8.1.110.0000.00717.38
8.1.100.0040.00417.28
8.1.90.0060.00317.41
8.1.80.0040.00417.45
8.1.70.0000.00717.49
8.1.60.0060.00317.61
8.1.50.0040.00417.57
8.1.40.0040.00417.40
8.1.30.0000.00817.62
8.1.20.0040.00417.51
8.1.10.0000.00817.59
8.1.00.0030.00617.49
8.0.300.0000.00718.77
8.0.290.0000.00816.75
8.0.280.0000.00718.43
8.0.270.0040.00417.17
8.0.260.0030.00317.25
8.0.250.0070.00016.96
8.0.240.0030.00517.01
8.0.230.0030.00316.96
8.0.220.0030.00516.87
8.0.210.0000.00816.86
8.0.200.0000.00616.82
8.0.190.0030.00316.91
8.0.180.0000.00716.98
8.0.170.0000.00816.93
8.0.160.0020.00516.77
8.0.150.0020.00516.86
8.0.140.0030.00416.86
8.0.130.0030.00313.35
8.0.120.0070.00016.86
8.0.110.0070.00016.84
8.0.100.0000.00716.89
8.0.90.0000.00816.77
8.0.80.0090.00616.87
8.0.70.0000.00716.76
8.0.60.0030.00516.70
8.0.50.0040.00416.85
8.0.30.0090.00917.04
8.0.20.0110.01017.40
8.0.10.0050.00316.90
8.0.00.0090.01016.88
7.4.330.0030.00316.73
7.4.320.0000.00616.50
7.4.300.0060.00016.46
7.4.290.0000.00716.59
7.4.280.0030.00516.60
7.4.270.0000.00816.55
7.4.260.0030.00516.57
7.4.250.0000.00816.50
7.4.240.0030.00316.53
7.4.230.0030.00316.69
7.4.220.0090.00916.55
7.4.210.0100.00316.58
7.4.200.0050.00316.70
7.4.160.0120.00316.50
7.4.150.0150.00317.40
7.4.140.0090.00917.86
7.4.130.0090.00816.48
7.4.120.0160.00716.52
7.4.110.0120.00616.42
7.4.100.0100.00716.59
7.4.90.0100.00716.58
7.4.80.0030.01419.39
7.4.70.0120.00616.60
7.4.60.0090.00616.36
7.4.50.0130.00216.45
7.4.40.0090.00616.56
7.4.30.0090.00916.52
7.4.00.0030.01315.00
7.3.330.0030.00313.39
7.3.320.0030.00313.45
7.3.310.0020.00516.41
7.3.300.0030.00316.24
7.3.290.0050.01016.40
7.3.280.0100.00816.38
7.3.270.0090.00917.40
7.3.260.0100.00616.63
7.3.250.0070.01116.39
7.3.240.0120.00516.41
7.3.230.0140.00616.39
7.3.210.0070.01016.49
7.3.200.0090.00816.25
7.3.190.0090.00616.44
7.3.180.0030.01416.36
7.3.170.0140.00716.59
7.3.160.0130.00716.52
7.2.330.0130.01016.37
7.2.320.0090.00916.61
7.2.310.0150.00416.63
7.2.300.0150.00716.55
7.2.290.0060.01016.43
7.2.60.0030.01016.89
7.2.00.0170.01718.45
7.1.200.0080.00415.59
7.1.100.0070.01018.13
7.1.70.0070.00717.21
7.1.60.0070.01819.19
7.1.50.0100.00017.05
7.1.00.0070.07322.28
7.0.200.0180.00914.69
7.0.60.0170.06021.84
7.0.50.0100.07717.98
7.0.40.0070.08020.31
7.0.30.0370.04020.20
7.0.20.0400.07020.30
7.0.10.0070.07320.24
7.0.00.0000.10020.03
5.6.210.0070.06020.70
5.6.200.0170.08018.17
5.6.190.0100.06720.52
5.6.180.0400.04320.52
5.6.170.0500.06020.50
5.6.160.0030.09020.71
5.6.150.0030.05018.18
5.6.140.0070.07018.11
5.6.130.0030.04718.18
5.6.120.0070.03721.02
5.6.110.0130.08020.97
5.6.100.0100.08720.96
5.6.90.0100.08321.07
5.6.80.0130.07320.38
5.5.350.0270.04020.38
5.5.340.0170.06318.07
5.5.330.0030.06320.44
5.5.320.0270.08320.19
5.5.310.0270.07020.32
5.5.300.0030.05317.99
5.5.290.0070.08318.08
5.5.280.0100.04320.80
5.5.270.0300.07020.89
5.5.260.0070.08320.68
5.5.250.0070.04020.57
5.5.240.0070.07720.07

preferences:
56.27 ms | 400 KiB | 5 Q