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Set an error handler for a XSLT processor


xslt_set_error_handler

(PHP 4 >= 4.0.4)

xslt_set_error_handlerSet an error handler for a XSLT processor

Description

void xslt_set_error_handler ( resource $xh , mixed $handler )

Set an error handler function for the XSLT processor given by xh, this function will be called whenever an error occurs in the XSLT transformation (this function is also called for notices).

Parameters

xh

The XSLT processor link identifier, created with xslt_create().

handler

The user function needs to accept four parameters: the XSLT processor, the error level, the error code and an array of messages. The function can be shown as:

error_handler ( resource $xh , int $error_level , int $error_code , array $messages )

Return Values

No value is returned.

Examples

Example #1 xslt_set_error_handler() Example

<?php

// Our XSLT error handler
function xslt_error_handler($handler$errno$level$info)
{
  
// for now, let's just see the arguments
  
var_dump(func_get_args());
}

// XML content :
$xml='<?xml version="1.0"?>
<para>
 oops, I misspelled the closing tag
</pata>'
;

// XSL content :
$xsl='<?xml version="1.0"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/">
   <strong><xsl:value-of select="para"/></strong>
</xsl:template>
</xsl:stylesheet>'
;

$xh xslt_create();

xslt_set_error_handler($xh"xslt_error_handler");

echo 
xslt_process($xh'arg:/_xml''arg:/_xsl',
                  
NULL, array("/_xml" => $xml"/_xsl" => $xsl));

?>

The above example will output something similar to:

 array(4) { [0]=> resource(1) of type (XSLT Processor) [1]=> int(3) [2]=> int(0) [3]=> array(6) {  ["msgtype"]=>  string(5) "error"  ["code"]=>  string(1) "2"  ["module"]=>  string(9) "Sablotron"  ["URI"]=>  string(9) "arg:/_xml"  ["line"]=>  string(1) "4"  ["msg"]=>  string(34) "XML parser error 7: mismatched tag" } } 

See Also

  • xslt_set_object() - Sets the object in which to resolve callback functions if you want to use an object method as handler



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