# libxml_use_internal_errors

(PHP 5 >= 5.1.0, PHP 7)

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

### 说明

libxml_use_internal_errors ([ bool `$use_errors` = `FALSE` ] ) : 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`.

### 范例

Example #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();
    }

    ?>

以上例程会输出：

    bool(false)

### 参见

- libxml_clear_errors() - Clear libxml error buffer
- libxml_get_errors() - Retrieve array of errors