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関数外の変数の初期値をコール

Posted at

関数外の変数

qiita.php
$number = 1 

をstatic(静的)変数を使用する

qiita.php
function test(){
    static $number;
    $number++;
}

とすると最初にコールされたときのみ初期値を代入

別の処理で$numberが変わっても関数外で宣言した初期値が参照される

参考

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