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libxml_use_internal_errors

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

libxml_use_internal_errors Disable libxml errors and allow user to fetch error information as needed

说明

function libxml_use_internal_errors(? bool $use_errors = null ): bool

libxml_use_internal_errors() allows you to disable standard libxml errors and enable user error handling.

参数

use_errors

Enable (true ) user error handling or disable (false ) user error handling. Disabling will also clear any existing libxml errors.

返回值

This function returns the previous value of use_errors.

更新日志

版本 说明
8.0.0 use_errors is nullable now. Previously, its default was false .

示例

示例 #1 A libxml_use_internal_errors() example

This example demonstrates the basic usage of libxml errors and the value returned by this function.

<?php
// enable user error handling
var_dump(libxml_use_internal_errors(true));
// load the document
$doc = new DOMDocument;
if (!$doc->load('file.xml')) {
 foreach (libxml_get_errors() as $error) {
 // handle errors here
 }
 libxml_clear_errors();
}
?>

以上示例会输出:

bool(false)

参见

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用户贡献的备注 2 notes

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31
B Crawford
18 years ago
When using this funtion, be sure to clear your internal error buffer. If you dn't and you are using this in a long running process, you may find that all your memory is used up.
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9
marcovtwout
13 years ago
When using libxml_use_internal_errors(true), and perform a possibly memory intensive operation like simplexml_load_string() next, you might end up with a blank screen and no php error logged because the error message been suppressed.
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