3v4l.org

run code in 500+ PHP versions simultaneously
<?php $arr = []; readonly class T { public function __construct(public int $x, public int $y) {}} for($x = 0; $x <= 100_000; $x++) $arr[] = new T(1,2); echo "Current memory usage: " . (memory_get_usage() / 1024) . " KB\n"; echo "Peak memory usage: " . (memory_get_peak_usage() / 1024) . " KB\n";

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)
8.4.10.0140.01729.72
8.3.140.0170.01426.78
8.3.130.0390.02226.69
8.3.120.0270.01926.72
8.3.110.0330.01526.67
8.3.100.0270.01326.76
8.3.90.0230.01826.70
8.3.80.0250.01826.73
8.3.70.0280.01526.68
8.3.60.0290.00926.74
8.3.50.0310.01426.74
8.3.40.0200.01827.68
8.3.30.0180.01727.71
8.3.20.0310.01527.62
8.3.10.0270.01927.74
8.3.00.0240.01627.65
8.2.280.0190.02228.50
8.2.260.0120.01227.02
8.2.250.0210.01626.66
8.2.240.0220.01726.57
8.2.230.0270.01826.53
8.2.220.0220.02226.65
8.2.210.0220.01526.50
8.2.200.0200.01426.67
8.2.190.0280.01826.67
8.2.180.0340.01526.71
8.2.170.0320.02327.80
8.2.160.0200.02027.89
8.2.150.0280.01527.68
8.2.140.0310.01627.64
8.2.130.0210.01827.58
8.2.120.0240.01927.81
8.2.110.0310.01627.78
8.2.100.0260.02527.76
8.2.90.0240.01927.82
8.2.80.0300.02327.75
8.2.70.0190.01927.75
8.2.60.0260.02327.73
8.2.50.0220.01427.78
8.2.40.0240.01227.84
8.2.30.0200.02127.75
8.2.20.0260.01827.71
8.2.10.0180.01527.72
8.2.00.0350.01327.70
8.1.310.0100.00015.92
8.1.300.0200.00516.12
8.1.290.0200.00716.15
8.1.280.0300.00316.20
8.1.270.0270.01117.04
8.1.260.0240.00517.22
8.1.250.0270.00716.98
8.1.240.0230.00917.08
8.1.230.0240.00717.09
8.1.220.0260.00717.02
8.1.210.0240.00717.11
8.1.200.0240.00617.06
8.1.190.0260.00516.98
8.1.180.0220.00616.97
8.1.170.0220.00717.08
8.1.160.0220.00817.10
8.1.150.0250.00517.13
8.1.140.0230.00716.96
8.1.130.0240.00616.94
8.1.120.0240.00917.06
8.1.110.0220.00816.98
8.1.100.0230.00717.00
8.1.90.0250.00517.06
8.1.80.0270.00716.90
8.1.70.0220.01017.03
8.1.60.0290.00517.08
8.1.50.0280.00516.97
8.1.40.0260.00717.16
8.1.30.0320.00417.13
8.1.20.0260.00817.19
8.1.10.0250.00817.12
8.1.00.0270.00717.01

preferences:
42.42 ms | 805 KiB | 5 Q