php语法中如何查找数组中有几个字符

如何利用php语法查找数组中有几个字符数，下面编程教程网小编给大家简单介绍一下具体实现代码！

$array = array('apple', 'banana', 'orange', 'grape');

function count_char_in_array($char, $array) {
  $count = 0;
  foreach ($array as $element) {
    $count += substr_count($element, $char);
  }
  return $count;
}