比较基础的php面试题及答案.docx

文档介绍：比较基础的 php 面试题及答案
填空题: PHP 中，当前脚本的名称(不包括路径和查询字符串) 记录在预定义变量 $_SERVER[PHP_SELF] 中;而链接到当前页面的 URL 记录在预定义变量 $_SERVER[Hcho “>” . $category[name] .
“ \n ” ;}Get_Category($key, $level + 1,
$default_category);}unset($category_array[$category_id]);}/* 函数返回的数组格式如下所示 :Array([1] => Array ( [id] => 1 [name] => 一级类别 [level] => 0 [ParentID] => 0 )[4] => Array
( [id] => 4 [name] => 二级类别 [level] => 1 [ParentID] => 1 )[9]
=> Array ( [id] => 9 [name] => 哈哈 [level] => 2 [ParentID]
=> 4 )[3] => Array ( [id] => 3 [name] => 二级类别 [level] => 1 [ParentID] => 1 )[8] => Array ( [id] => 8 [name] => aqqqqqd [level] => 2 [ParentID] => 3 )[2] => Array ( [id] => 2 [name]
=> 二级类别 [level] => 1 [ParentID] => 1 )[7] => Array ( [id]
=> 7 [name] => 234234 [level] => 2 [ParentID] => 2 )[6] => Array ( [id] => 6 [name] => 333332 [level] => 2 [ParentID] => 2 )[5] => Array ( [id] => 5 [name] => 三级类别 [level] => 2 [ParentID] => 2 )[10] => Array ( [id] => 10 [name] => 66333666 [level] => 3 [ParentID] => 5 ))*/// 指定分类 id,然后返回 数 组 function Category_array($category_id = 0,$level=0){global $DB;$sql = “ SELECT * FROM category ORDER BY categoryID DESC ” ;$result =
$DB->query($sql);while ($rows =
$DB->fetch_array($result)){$category_array[$rows[categoryPa rentID]][$rows[categoryID]] = $rows;}foreach ($category_array
3
AS $key=>$val){if ($key == $category_id){foreach ($val AS
$k=> $v){$options[$k] =array( ‘