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xml_set_processing_instruction_handler

xml_set_processing_instruction_handler

Set up processing instruction (PI) handler

true **xml_set_processing_instruction_handler** XMLParser $parser  $handler

Sets the processing instruction (PI) handler function for the XML parser . parser

A processing instruction has the following format:

<?target
data
?>

Let op: > PHP code is delimited by the processing instruction. As such it is possible to have PHP code within an XML document. However, the PI end tag () must not be part of the data. If a PI end tag exists as part of the embedded PHP code, the rest of the PHP code and the "real" PI end tag, will be treated as character data. &lt;?php``?&gt;

handler The signature of the handler must be:

  ```php

void **** XMLParser $parser string $target string $data


`target`The processing instruction target.

`data`The processing instruction data.





return.true.always
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