php invalid argument in foreach supplied -


i cannot life of me figure out why error being thrown...i supplying valid array , basic loop

php

class stats {      private $resirictedchars = array('@', '(', ')', '"', '<', '>', ',', '?', ':', ';', '[', ']', '{', '}');      function __construct() {}      public function generatestats ($text) {          foreach ($this->restrictedchars $char) {              $text = str_replace($char, '', strtolower($text));          }          echo $text;      } }  $run = stats::generatestats('hello.');

error

warning: invalid argument supplied foreach()

typo in variable names, $resirictedchars v/s $restrictedchars.


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