PHP xml_parse_into_struct() 函數
定義和用法
xml_parse_into_struct() 函數把XML 數據解析到數組中。
該函數把XML 數據解析到2 個數組中:
- Value 數組- 包含來自被解析的XML 的數據
- Index 數組- 包含指向Value 數組中值的位置的指針
如果成功,該函數則返回1。 如果失敗,則返回0。
語法
xml_parse_into_struct(parser,xml,value_arr,index_arr)
参数 | 描述 |
---|---|
parser | 必需。规定要使用的 XML 解析器。 |
xml | 必需。规定要解析的 XML 数据。 |
value_arr | 必需。规定 XML 数据的目标数组。 |
index_arr | 可选。规定 index 数据的目标数组。 |
提示和註釋
註釋: xml_parse_into_struct()函數如果成功則返回1,如果失敗則返回0。這與TRUE 和FALSE 不同,使用例如=== 運算符時要注意。
實例
XML 文件
<?xml version="1.0" encoding="ISO-8859-1"?>
<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>
<note>
<to>Tove</to>
<from>Jani</from>
<heading>Reminder</heading>
<body>Don't forget me this weekend!</body>
</note>
PHP 代碼
<?php
//invalid xml file
$xmlfile = 'test.xml';
$xmlparser = xml_parser_create();
// open a file and read data
$fp = fopen($xmlfile, 'r');
$xmldata = fread($fp, 4096);
xml_parse_into_struct($xmlparser,$xmldata,$values);
xml_parser_free($xmlparser);
print_r($values);
?>
//invalid xml file
$xmlfile = 'test.xml';
$xmlparser = xml_parser_create();
// open a file and read data
$fp = fopen($xmlfile, 'r');
$xmldata = fread($fp, 4096);
xml_parse_into_struct($xmlparser,$xmldata,$values);
xml_parser_free($xmlparser);
print_r($values);
?>
上面代碼的輸出如下所示:
Array
(
[0] => Array
(
[tag] => NOTE
[type] => open
[level] => 1
[value] =>
)
[1] => Array
(
[tag] => TO
[type] => complete
[level] => 2
[value] => Tove
)
[2] => Array
(
[tag] => NOTE
[value] =>
[type] => cdata
[level] => 1
)
[3] => Array
(
[tag] => FROM
[type] => complete
[level] => 2
[value] => Jani
)
[4] => Array
(
[tag] => NOTE
[value] =>
[type] => cdata
[level] => 1
)
[5] => Array
(
[tag] => HEADING
[type] => complete
[level] => 2
[value] => Reminder
)
[6] => Array
(
[tag] => NOTE
[value] =>
[type] => cdata
[level] => 1
)
[7] => Array
(
[tag] => BODY
[type] => complete
[level] => 2
[value] => Don't forget me this weekend!
)
[8] => Array
(
[tag] => NOTE
[value] =>
[type] => cdata
[level] => 1
)
[9] => Array
(
[tag] => NOTE
[type] => close
[level] => 1
)
)
(
[0] => Array
(
[tag] => NOTE
[type] => open
[level] => 1
[value] =>
)
[1] => Array
(
[tag] => TO
[type] => complete
[level] => 2
[value] => Tove
)
[2] => Array
(
[tag] => NOTE
[value] =>
[type] => cdata
[level] => 1
)
[3] => Array
(
[tag] => FROM
[type] => complete
[level] => 2
[value] => Jani
)
[4] => Array
(
[tag] => NOTE
[value] =>
[type] => cdata
[level] => 1
)
[5] => Array
(
[tag] => HEADING
[type] => complete
[level] => 2
[value] => Reminder
)
[6] => Array
(
[tag] => NOTE
[value] =>
[type] => cdata
[level] => 1
)
[7] => Array
(
[tag] => BODY
[type] => complete
[level] => 2
[value] => Don't forget me this weekend!
)
[8] => Array
(
[tag] => NOTE
[value] =>
[type] => cdata
[level] => 1
)
[9] => Array
(
[tag] => NOTE
[type] => close
[level] => 1
)
)
完整的PHP XML參考手冊