global variable in class php -


i want use variable global in recursive function defined in class. want this.

<?php   class copycontroller extends basecontroller {     function copycontroller () {       $foo="123" ;       function recursive () {         global $foo ;         echo $foo ;         recursive() ;       }       recursive();    } }

in origin code have condition stop recursive.output null. can me ?

you can't nest functions that. can this:

class copycontroller extends basecontroller {     function copycontroller() {         $foo="123";         $this->recursive();     }      function recursive() {         global $foo;         echo $foo;         $this->recursive()     } }

also notice using global variables considered bad practice. i'm not sure goal is, may better define class property $foo, , access instead:

class copycontroller extends basecontroller {     protected $foo;      function copycontroller() {         $this->foo = "123";         $this->recursive();     }      function recursive() {         echo $this->foo;         $this->recursive()     } }

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