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<?php $variabel = "globalt scope"; function hentscope($scope) { if($scope === "getglobal") { global $variabel; } elseif($scope === "GLOBAL") { $variabel = $GLOBALS["variabel"]; } elseif($scope === "local") { $variabel = "lokalt scope"; } return $variabel; } // vi kalder så på forskellige måder echo hentscope("getglobal"); // her henter vi variabel fra det globale scope echo hentscope("GLOBAL"); // henter gennem $GLOBALS (superglobal) echo hentscope("local"); // henter variabel fra local scope (sætter egen variabel) - denne skal ikke bruges i dette tilfælde echo hentscope(); // sucky error, der er ingen variabel i dit scope der hedder variabel ?>
Output for 7.1.0 - 7.2.6
globalt scopeglobalt scopelokalt scope Fatal error: Uncaught ArgumentCountError: Too few arguments to function hentscope(), 0 passed in /in/9SCYi on line 22 and exactly 1 expected in /in/9SCYi:5 Stack trace: #0 /in/9SCYi(22): hentscope() #1 {main} thrown in /in/9SCYi on line 5
Process exited with code 255.
Output for 5.1.0 - 7.0.20
globalt scopeglobalt scopelokalt scope Warning: Missing argument 1 for hentscope(), called in /in/9SCYi on line 22 and defined in /in/9SCYi on line 5 Notice: Undefined variable: scope in /in/9SCYi on line 6 Notice: Undefined variable: scope in /in/9SCYi on line 8 Notice: Undefined variable: scope in /in/9SCYi on line 10 Notice: Undefined variable: variabel in /in/9SCYi on line 14
Output for 5.0.4 - 5.0.5
globalt scopeglobalt scopelokalt scope Warning: Missing argument 1 for hentscope() in /in/9SCYi on line 5 Notice: Undefined variable: variabel in /in/9SCYi on line 14
Output for 4.3.0 - 5.0.3
globalt scopeglobalt scopelokalt scope Warning: Missing argument 1 for hentscope() in /in/9SCYi on line 5 Notice: Undefined variable: variabel in /in/9SCYi on line 14