1.2.504. Global In Global

List of global variables. There are the global variables, defined with the global keyword, and the implicit global variables, defined in the global scope.

<?php
    global $explicitGlobal; // in global namespace

    $implicitGlobal = 1; // in global namespace, variables are automatically global

    function foo() {
        global $explicitGlobalInFoo; // in functions, globals must be declared with global
    }
?>

See also Variable Scope.

1.2.504.1. Specs

Short name	Structures/GlobalInGlobal
Rulesets	All, Appinfo, CE
Exakat since	0.8.4
PHP Version	All
Severity
Time To Fix
Precision	Very high
Features	global
Available in	Entreprise Edition, Community Edition, Exakat Cloud