3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A implements Serializable { public function unserialize($p) { echo 'uns'; } public function serialize() { return ''; } } class B { public function __wakeup() { echo 'wak';throw Exception; } public function __destruct() { echo 'des'; } } $g[]=new B; $g[]=new A; echo serialize($g); $s='a:2:{i:0;O:1:"B":0:{}i:1;C:1:"A":0:{}}'; var_dump(unserialize($s));

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)
8.3.60.0110.00418.68
8.3.50.0040.01117.80
8.3.40.0070.00718.98
8.3.30.0110.00418.79
8.3.20.0000.00721.89
8.3.10.0000.00921.91
8.3.00.0080.00019.38
8.2.180.0110.00716.73
8.2.170.0070.00722.96
8.2.160.0110.00720.44
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00418.09
8.2.120.0040.00426.35
8.2.110.0030.00622.22
8.2.100.0040.00817.63
8.2.90.0060.00317.75
8.2.80.0050.00317.97
8.2.70.0080.00017.92
8.2.60.0040.00418.09
8.2.50.0050.00318.10
8.2.40.0080.00320.22
8.2.30.0080.00019.41
8.2.20.0000.00718.00
8.2.10.0040.00418.13
8.2.00.0040.00417.69
8.1.280.0140.00025.92
8.1.270.0090.00022.11
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.80
8.1.230.0090.00319.07
8.1.220.0000.01017.78
8.1.210.0050.00318.77
8.1.200.0120.00017.35
8.1.190.0030.00517.35
8.1.180.0000.00718.10
8.1.170.0000.00720.07
8.1.160.0000.00818.81
8.1.150.0040.00420.31
8.1.140.0020.00519.57
8.1.130.0030.00318.89
8.1.120.0040.00417.34
8.1.110.0000.00717.34
8.1.100.0080.00017.45
8.1.90.0070.00017.47
8.1.80.0040.00417.50
8.1.70.0040.00417.37
8.1.60.0000.00717.50
8.1.50.0030.00617.56
8.1.40.0000.00817.42
8.1.30.0060.00317.73
8.1.20.0000.00917.55
8.1.10.0030.00617.57
8.1.00.0040.00417.40
8.0.300.0000.00719.77
8.0.290.0040.00416.75
8.0.280.0000.00718.58
8.0.270.0000.00717.29
8.0.260.0060.00017.33
8.0.250.0080.00017.07
8.0.240.0070.00017.04
8.0.230.0060.00317.04
8.0.220.0000.00716.84
8.0.210.0070.00016.96
8.0.200.0060.00316.97
8.0.190.0000.00716.98
8.0.180.0000.00716.95
8.0.170.0040.00417.00
8.0.160.0040.00416.96
8.0.150.0080.00016.96
8.0.140.0070.00016.96
8.0.130.0000.00613.39
8.0.120.0040.00416.91
8.0.110.0000.00716.91
8.0.100.0000.00716.98
8.0.90.0000.00816.84
8.0.80.0060.01216.98
8.0.70.0000.00716.89
8.0.60.0030.00416.87
8.0.50.0080.00016.86
8.0.30.0170.00317.07
8.0.20.0090.01117.40
8.0.10.0030.00316.96
8.0.00.0110.00616.75
7.4.330.0030.00315.55
7.4.320.0020.00516.66
7.4.300.0060.00016.50
7.4.290.0000.00616.54
7.4.280.0080.00016.40
7.4.270.0000.00716.51
7.4.260.0060.00316.48
7.4.250.0050.00316.53
7.4.240.0070.00016.53
7.4.230.0070.00016.72
7.4.220.0150.00816.54
7.4.210.0140.00016.68
7.4.200.0050.00316.59
7.4.160.0100.00616.48
7.4.150.0060.01117.40
7.4.140.0120.00717.86
7.4.130.0090.00916.55
7.4.120.0060.01416.55
7.4.110.0130.01016.61
7.4.100.0110.00816.61
7.4.90.0140.00416.61
7.4.80.0110.00619.39
7.4.70.0070.01316.66
7.4.60.0150.00316.52
7.4.50.0110.00316.26
7.4.40.0060.01016.38
7.4.30.0100.00716.57
7.4.00.0070.01115.14
7.3.330.0060.00013.38
7.3.320.0030.00313.21
7.3.310.0030.00316.41
7.3.300.0070.00016.38
7.3.290.0080.00616.40
7.3.280.0100.00916.35
7.3.270.0100.00717.40
7.3.260.0080.01216.47
7.3.250.0100.00716.47
7.3.240.0150.00316.52
7.3.230.0080.00816.59
7.3.210.0070.01016.51
7.3.200.0110.00819.39
7.3.190.0130.00416.37
7.3.180.0110.01116.41
7.3.170.0000.01616.59
7.3.160.0080.01216.39
7.3.120.0070.00814.67
7.3.110.0080.00914.88
7.3.100.0010.01014.69
7.3.90.0020.01314.74
7.3.80.0040.00614.75
7.3.70.0050.00814.83
7.3.60.0050.01014.80
7.3.50.0020.00814.91
7.3.40.0070.00614.85
7.3.30.0060.00614.87
7.3.20.0020.01116.67
7.3.10.0110.00516.57
7.3.00.0030.01116.62
7.2.330.0090.00916.72
7.2.320.0120.00416.41
7.2.310.0110.00516.66
7.2.300.0160.00816.79
7.2.290.0100.01016.45
7.2.250.0060.01115.04
7.2.240.0080.01215.07
7.2.230.0080.00514.99
7.2.220.0110.00415.18
7.2.210.0080.00814.84
7.2.200.0070.00815.23
7.2.190.0050.01214.94
7.2.180.0070.00614.94
7.2.170.0040.01315.09
7.2.80.0070.00716.51
7.2.60.0040.00716.76
7.2.00.0080.01219.15
7.1.330.0030.01015.84
7.1.320.0040.01115.80
7.1.310.0060.00915.78
7.1.300.0060.00815.60
7.1.290.0040.01115.80
7.1.280.0070.00515.72
7.1.270.0090.00415.66
7.1.260.0050.00815.53
7.1.200.0060.00315.74
7.1.100.0730.00315.99
7.1.70.0030.01316.87
7.1.60.0100.00317.01
7.1.50.0060.01917.05
7.1.10.0100.06022.24
7.1.00.0130.07322.35
7.0.200.0040.00416.68
7.0.150.0100.05321.84
7.0.140.0100.05321.90
7.0.130.0030.06321.84
7.0.120.0000.06021.96
7.0.110.0070.05721.91
7.0.100.0100.05021.90
7.0.90.0130.05321.88
7.0.80.0030.06021.98
7.0.70.0070.05721.86
7.0.60.0170.04722.02
7.0.50.0000.06021.77
7.0.40.0070.05321.91
7.0.30.0200.04022.02
7.0.20.0030.06021.92
7.0.10.0070.06021.82
7.0.00.0100.05721.74

preferences:
33.03 ms | 401 KiB | 5 Q