3v4l.org

run code in 500+ PHP versions simultaneously
<?php class ReadonlyUnserialize { public function __construct(public readonly string $value) {} public function __unserialize(array $names): void { $this->value = 'set on unserialize'; } } $obj = new ReadonlyUnserialize('test'); $serialized = serialize($obj); $unserialized = unserialize($serialized); print $unserialized->value;

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)
8.5.30.0350.00716.37
8.5.20.0330.00816.55
8.5.10.0270.00616.33
8.5.00.0350.00816.65
8.4.180.0340.01019.64
8.4.170.0320.01319.46
8.4.160.0350.00819.48
8.4.150.0300.00719.52
8.4.140.0370.00917.60
8.4.130.0370.00717.50
8.4.120.0360.01317.60
8.4.110.0390.00717.63
8.4.100.0320.00917.85
8.4.90.0340.01117.77
8.4.80.0340.00817.79
8.4.70.0350.01117.79
8.4.60.0350.00917.58
8.4.50.0340.00617.76
8.4.40.0380.00917.53
8.4.30.0360.00717.66
8.4.20.0310.00717.49
8.4.10.0290.00517.66
8.3.300.0330.00818.25
8.3.290.0320.00818.04
8.3.280.0260.00618.25
8.3.270.0270.00416.59
8.3.260.0290.00516.56
8.3.250.0280.00916.54
8.3.240.0210.00516.53
8.3.230.0240.00616.54
8.3.220.0220.00716.66
8.3.210.0160.00616.68
8.3.200.0230.00716.49
8.3.190.0260.00516.62
8.3.180.0360.00716.40
8.3.170.0360.00816.74
8.3.160.0400.00516.56
8.3.150.0180.00416.74
8.3.140.0210.00516.66
8.3.130.0190.00316.69
8.3.120.0140.00416.70
8.3.110.0200.00116.69
8.3.100.0300.00716.72
8.3.90.0300.00616.58
8.3.80.0330.00616.55
8.3.70.0330.01016.72
8.3.60.0340.01116.63
8.3.50.0380.00916.65
8.3.40.0360.00717.95
8.3.30.0310.00617.92
8.3.20.0250.01017.87
8.3.10.0260.00617.96
8.3.00.0260.00718.03

preferences:
42.45 ms | 699 KiB | 5 Q