XML function library: Xml_set_processing_instruction_handler

Xml_set_processing_instruction_hanhttp://www.aliyun.com/zixun/aggregation/16504.html ">dler

Establishes the processing instruction header.

Syntax: boolean xml_set_processing_instruction_handler (int parser, string handler);

Return Value: Boolean value

Function type: Data processing

Content Description

This function configures the header of the processing instruction (處理 instruction, referred to as PI), and the processing instruction resembles the following line format

<?target data?>

Parameter parser to parse code. The parameter handler includes three elements, such as parsing code, processing instruction target, and data string. Returns a true value if there are no errors.

Want to use this function library to install Zlib First, can obtain this function library to http://www.cdrom.com/pub/infozip/zlib/to use this function library, need to go to Http://www.jclark.com/xml retrieve XML function library first, and compile or install it. Users with RedHat Linux can get RPM format files to http://www.guardian.no/~ssb/phpxml.html. Then add the--with-xml configuration options before compiling PHP. Tommy@nashville.net pointed out (12-jan-1999) If there is a problem, still need to put in Xmltok.h and xmlparse.h two C language header file, or set the environment variable.

The current version supports three character sets: ASCII, Iso-8859-1 and UTF-8. As for the UTF-16 character set PHP has not yet been supported.

XML has many error codes, as follows

Xml_error_none
Xml_error_no_memory
Xml_error_syntax
Xml_error_no_elements
Xml_error_invalid_token
Xml_error_unclosed_token
Xml_error_partial_char
Xml_error_tag_mismatch
Xml_error_duplicate_attribute
Xml_error_junk_after_doc_element
Xml_error_param_entity_ref
Xml_error_undefined_entity
Xml_error_recursive_entity_ref
Xml_error_async_entity
Xml_error_bad_char_ref
Xml_error_binary_entity_ref
Xml_error_attribute_external_entity_ref
Xml_error_misplaced_xml_pi
Xml_error_unknown_encoding
Xml_error_incorrect_encoding
Xml_error_unclosed_cdata_section
Xml_error_external_entity_handling