php关于count函数求解释解决方案

php关于count函数求解释

PHP code

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-->$food = array('fruits' => array('orange', 'banana', 'apple'),
                            'veggie' => array('carrot', 'collard', 'pea'));

              // recursive count
              echo count($food, COUNT_RECURSIVE); // output 8

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PHP code

$food = array(
  'fruits' => array('orange', 'banana', 'apple'),
  'veggie' => array('carrot', 'collard', 'pea')
);

function leay_count($ar) {
  $r = 0;
  foreach($ar as $item) {
    if(is_array($item)) $r += leay_count($item);
    else $r++;
  }
  return $r;
}

echo leay_count($food); <div class="clear">
                 
              
              
        
            </div>

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