PHP - Manual: Creating a simple XML document

2024-11-13

Creating a simple XML document

This example shows how to use XMLWriter to create a XML document in memory.

示例 #1 Creating a simple XML document


<?php

$xw = xmlwriter_open_memory();
xmlwriter_set_indent($xw, 1);
$res = xmlwriter_set_indent_string($xw, ' ');

xmlwriter_start_document($xw, '1.0', 'UTF-8');

// A first element
xmlwriter_start_element($xw, 'tag1');

// Attribute 'att1' for element 'tag1'
xmlwriter_start_attribute($xw, 'att1');
xmlwriter_text($xw, 'valueofatt1');
xmlwriter_end_attribute($xw);

xmlwriter_write_comment($xw, 'this is a comment.');

// Start a child element
xmlwriter_start_element($xw, 'tag11');
xmlwriter_text($xw, 'This is a sample text, ä');
xmlwriter_end_element($xw); // tag11

xmlwriter_end_element($xw); // tag1


// CDATA
xmlwriter_start_element($xw, 'testc');
xmlwriter_write_cdata($xw, "This is cdata content");
xmlwriter_end_element($xw); // testc

xmlwriter_start_element($xw, 'testc');
xmlwriter_start_cdata($xw);
xmlwriter_text($xw, "test cdata2");
xmlwriter_end_cdata($xw);
xmlwriter_end_element($xw); // testc

// A processing instruction
xmlwriter_start_pi($xw, 'php');
xmlwriter_text($xw, '$foo=2;echo $foo;');
xmlwriter_end_pi($xw);

xmlwriter_end_document($xw);

echo xmlwriter_output_memory($xw);

以上例程会输出：

<?xml version="1.0" encoding="UTF-8"?>
<tag1 att1="valueofatt1">
 <!--this is a comment.-->
 <tag11>This is a sample text, ä</tag11>
</tag1>
<testc><![CDATA[This is cdata content]]></testc>
<testc><![CDATA[test cdata2]]></testc>
<?php $foo=2;echo $foo;?>

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Creating a simple XML document

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