3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 4; if($x == 1){ class X{} session_start(); $_SESSION["x"] = new X(); $_SESSION["y"] = "5"; echo session_encode(); // x|O:1:"X":0:{}y|s:1:"5"; } elseif($x == 2){ session_start(); session_decode('x|O:1:"X":0:{}y|s:1:"5";'); $_SESSION["y"] = 6; echo session_encode(); die(); print_r($_SESSION); /* Array ( [x] => __PHP_Incomplete_Class Object ( [__PHP_Incomplete_Class_Name] => X ) [y] => 5 ) */ } elseif($x == 3){ enum Y{ case Y; } session_start(); $_SESSION["x"] = Y::Y; $_SESSION["y"] = "5"; echo session_encode(); // x|E:3:"Y:Y";y|s:1:"5"; } elseif($x == 4){ session_start(); session_decode('x|E:3:"Y:Y";y|s:1:"5";'); print_r($_SESSION); /* Warning: session_decode(): Class 'Y' not found in /in/1IEIF on line 36 Warning: session_decode(): Failed to decode session object. Session has been destroyed in /in/1IEIF on line 36 Array ( ) */ }

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)
8.4.120.0140.00720.64
8.4.110.0160.00718.60
8.4.100.0130.01117.70
8.4.90.0090.01117.63
8.4.80.0390.00817.70
8.4.70.0420.01017.71
8.4.60.0380.01317.61
8.4.50.0490.00817.79
8.4.40.0230.00317.83
8.4.30.0170.00917.48
8.4.20.0240.00417.55
8.4.10.0230.00217.55
8.3.250.0100.00917.29
8.3.240.0120.00716.84
8.3.230.0120.00716.72
8.3.220.0290.00316.97
8.3.210.0270.00516.97
8.3.200.0310.00616.97
8.3.190.0220.01016.97
8.3.180.0350.00716.97
8.3.170.0210.00516.97
8.3.160.0230.00316.97
8.3.150.0250.00316.97
8.3.140.0180.00616.97
8.3.130.0160.00516.97
8.3.120.0280.00616.97
8.3.110.0230.00516.97
8.3.100.0210.00416.97
8.3.90.0210.00416.97
8.3.80.0180.00616.97
8.3.70.0190.00416.97
8.3.60.0360.00616.97
8.3.50.0290.00716.97
8.3.40.0330.01017.23
8.3.30.0320.00517.38
8.3.20.0270.00517.45
8.3.10.0290.01017.68
8.3.00.0210.00717.50
8.2.290.0120.00619.18
8.2.280.0140.00616.97
8.2.270.0210.00616.97
8.2.260.0220.00816.97
8.2.250.0340.00516.97
8.2.240.0360.00716.97
8.2.230.0370.00616.97
8.2.220.0340.00916.97
8.2.210.0340.00616.97
8.2.200.0380.00416.97
8.2.190.0380.00616.97
8.2.180.0340.00816.97
8.2.170.0450.00817.70
8.2.160.0260.00317.79
8.2.150.0200.00217.51
8.2.140.0170.00417.65
8.2.130.0290.01317.52
8.2.120.0340.01217.31
8.2.110.0370.00817.66
8.2.100.0340.00517.57
8.2.90.0360.00617.65
8.2.80.0230.00517.50
8.2.70.0260.00217.41
8.2.60.0200.00317.32
8.2.50.0380.00917.33
8.2.40.0350.00617.41
8.2.30.0410.00817.33
8.2.20.0310.00217.56
8.2.10.0210.00417.38
8.2.00.0180.00717.33

preferences:
25.16 ms | 403 KiB | 5 Q