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PHP Quiz PHP CertificatePHP xml_set_unparsed_entity_decl_handler() Function
Complete PHP XML Reference
Definition and Usage
The xml_set_unparsed_entity_decl_handler() function specifies a function to be called when the parser an unparsed entity in the XML document.
This function returns TRUE on success, or FALSE on failure.
Syntax
xml_set_unparsed_entity_decl_handler(parser,handler)
| Parameter | Description |
|---|---|
| parser | Required. Specifies XML parser to use |
| handler | Required. Specifies a function to be when the parser finds a notation declaration |
The Function specified by the "handler" parameter must have six parameters:
| Parameter | Description |
|---|---|
| parser | Required. Specifies a variable containing the XML parser calling the handler |
| name | Required. Specifies a variable containing the name of the entity |
| base | Required. Specifies a variable containing the base for resolving the system identifier (system_id) of the entity. Currently, this is always NULL |
| system_id | Required. Specifies a variable containing the system identifier for the entity |
| public_id | Required. Specifies a variable containing the public identifier for the entity |
| notation | Required. Specifies a variable containing the notation identifying the data type of the entity |
Tips and Notes
Note: The handler parameter can also be an array containing an object reference and a method name.
Example
<?php
$parser=xml_parser_create();
function char($parser,$data)
{
echo $data;
}
function unparsed_ent_handler($parser,$entname,
$base,$sysID,$pubID,$notname)
{
print "$entname<br />";
print "$sysID<br />";
print "$pubID<br />";
print "$notname<br />";
}
xml_set_character_data_handler($parser,"char");
xml_set_unparsed_entity_decl_handler($parser,
"unparsed_ent_handler");
$fp=fopen("test.xml","r");
while ($data=fread($fp,4096))
{
xml_parse($parser,$data,feof($fp)) or
die (sprintf("XML Error: %s at line %d",
xml_error_string(xml_get_error_code($parser)),
xml_get_current_line_number($parser)));
}
xml_parser_free($parser);
?>
function char($parser,$data)
{
echo $data;
}
function unparsed_ent_handler($parser,$entname,
$base,$sysID,$pubID,$notname)
{
print "$entname<br />";
print "$sysID<br />";
print "$pubID<br />";
print "$notname<br />";
}
xml_set_character_data_handler($parser,"char");
xml_set_unparsed_entity_decl_handler($parser,
"unparsed_ent_handler");
$fp=fopen("test.xml","r");
while ($data=fread($fp,4096))
{
xml_parse($parser,$data,feof($fp)) or
die (sprintf("XML Error: %s at line %d",
xml_error_string(xml_get_error_code($parser)),
xml_get_current_line_number($parser)));
}
xml_parser_free($parser);
?>
Complete PHP XML Reference
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