How to convert xml to array in php-PHP Problem-php.cn

How to convert xml to array in php

青灯夜游

Release： 2023-03-08 09:04:01

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Method: First use simplexml_load_string() to convert the XML string into a SimpleXMLElement object; then use json_encode() to convert the object into JSON data; finally use json_decode() to convert the JSON data into an array.

How to convert xml to array in php

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

php converts xml For the array number

1. Function:

/*
@desc：xml转数组
@param data xml字符串
@return arr 解析出的数组
*/
function xmltoarray($data){
$obj = simplexml_load_string($data, &#39;SimpleXMLElement&#39;, LIBXML_NOCDATA);
$json = json_encode($obj);
$arr = json_decode($json, true);      
return $arr;
}

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simplexml_load_string() function converts a well-formed XML string into a SimpleXMLElement object.

json_encode() is used to JSON encode variables. This function returns JSON data if executed successfully, otherwise it returns FALSE.

json_decode() function is used to decode a JSON-formatted string and convert it into a PHP variable (object or array).

json_decode ($json_string [,$assoc = false [, $depth = 512 [, $options = 0 ]]])

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Parameters

##json_string: JSON string to be decoded, must be UTF-8 encoded data
assoc: When this parameter is TRUE, an array is returned, and when FALSE, an object is returned.
depth: Integer type parameter, which specifies the recursion depth
options: Binary mask, currently only JSON_BIGINT_AS_STRING is supported.

2. Test:

a. Code:

<?php
$string = <<<XML
<?xml version=&#39;1.0&#39;?> 
<document>
<title>Forty What?</title>
<from>Joe</from>
<to>Jane</to>
<body>
I know that&#39;s the answer -- but what&#39;s the question?
</body>
</document>
XML;
$arr = xmltoarray($string);
var_dump($arr);

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b. Output:

array(4) {
["title"]=>
string(11) "Forty What?"
["from"]=>
string(3) "Joe"
["to"]=>
string(4) "Jane"
["body"]=>
string(57) "
I know that&#39;s the answer -- but what&#39;s the question?
"
}

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