1.2.246. Could Be A Static Variable

This global is only used in one function or method. It may be transformed into a ‘static’ variable, instead of global. This allows you to keep the value between call to the function, but will not be accessible outside this function.

<?php
function foo( ) {
    static $variableIsReservedForX; // only accessible within foo( ), even between calls.
    global $variableIsGlobal;       //      accessible everywhere in the application
}
?>

1.2.246.1. Specs

Short name	Structures/CouldBeStatic
Rulesets	All, Analyze, Changed Behavior, Class Review
Exakat since	0.8.4
PHP Version	All
Severity	Major
Time To Fix	Quick (30 mins)
Precision	Very high
Features	static, static-variable
Examples	Dolphin, Contao
Available in	Entreprise Edition, Exakat Cloud