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Usage and Examples of PHP xml_set_processing_instruction_handler() Function

PHP XML Function Manual

The xml_set_processing_instruction_handler() function is used to establish a processing instruction (PI) handler.

Syntax

bool xml_set_processing_instruction_handler ( resource $parser , callable $handler )

Definition and Usage

It is used to set the processing instruction (PI) handler

Return Value

Returns True on success, and false on failure

Parameters

Serial NumberParameters and Description
1

Parser

Reference to the XML parser used internally in the object.

2

Handler

It is used to specify the name of the function that must exist when xml_parse() is called

The processor must have the following functions

Serial NumberParameters and Description
1

parser

Specify a variable containing the XML parser that calls the processing program

2

target

Specify a variable containing the target of the processing instruction

3

data

Specify a variable containing processing instruction data

PHP XML Function Manual