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Source View: {$value}

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Line Code
256       * Calls the callback functions that have been added to a filter hook.
257       *
258       * @since 4.7.0
259       *
260       * @param mixed $value The value to filter.
261       * @param array $args  Additional parameters to pass to the callback functions.
262       *                     This array is expected to include $value at index 0.
263       * @return mixed The filtered value after all hooked functions are applied to it.
264       */
265      public function apply_filters( $value, $args ) {
266           if ( ! $this->callbacks ) {
267                return $value;
268           }
269
270           $nesting_level = $this->nesting_level++;
271
272           $this->iterations[ $nesting_level ] = array_keys( $this->callbacks );
273           $num_args                           = count( $args );
274