libxml_use_internal_errors
Description
The libxml_use_internal_errors of libxml for PHP disables libxml errors and allows the user to fetch error information as needed.
Syntax
libxml_use_internal_errors(
?bool $use_errors = null
): boolParameters
use_errors
Enable (true) or disable (false) user error handling. Disabling will also clear any existing libxml errors.
Return
Returns the previous value of use_errors.
Examples
1 · void
<? $return = libxml_use_internal_errors(); var_dump($return); ?>
bool(false)
2 · use_errors · false
<? $use_errors = false; $return = libxml_use_internal_errors($use_errors); var_dump($return); $return = libxml_use_internal_errors(); var_dump($return); ?>
bool(false) bool(false)
3 · use_errors · true
<? $use_errors = true; $return = libxml_use_internal_errors($use_errors); var_dump($return); $return = libxml_use_internal_errors(); var_dump($return); ?>
bool(false) bool(true)
4 · clear
<?
$use_errors = true;
libxml_use_internal_errors($use_errors);
$data =
<<<XML
<?xml version="1."?>
<books>
<book>
<titlex>title</title>
</book>
</books>
XML;
$simplexml_load_string = simplexml_load_string($data);
if($simplexml_load_string === false)
{
echo "before:\n";
$libxml_get_errors = libxml_get_errors();
foreach($libxml_get_errors as $value)
{
print_r($value);
}
//libxml_clear_errors();
$use_errors = false;
libxml_use_internal_errors($use_errors);
echo "after:\n";
$libxml_get_errors = libxml_get_errors();
foreach($libxml_get_errors as $value)
{
print_r($value);
}
}
?>before:
LibXMLError Object
(
[level] => 1
[code] => 97
[column] => 19
[message] => Unsupported version '1.'
[file] =>
[line] => 1
)
LibXMLError Object
(
[level] => 3
[code] => 76
[column] => 24
[message] => Opening and ending tag mismatch: titlex line 4 and title
[file] =>
[line] => 4
)
after:
