Home > Backend Development > PHP Tutorial > Xdebug document (1) basic features, xdebug document features_PHP tutorial

Xdebug document (1) basic features, xdebug document features_PHP tutorial

WBOY
Release: 2016-07-12 08:50:27
Original
1240 people have browsed it

Xdebug document (1) Basic features, xdebug document features

Basic attributes (parameters)

xdebug.default_enable

Type: boolean, default value: 1

This is the basic setting of xdebug. By default, error information is displayed during debugging trace. You can use the xdebug_disable() function to disable debugging displays in your code.

xdebug.force_display_errors

Type: int, Default value: 0, since Xdebug version 2.3

When this setting is set to 1, no matter what the PHP setting display_errors setting value is, an error occurs The information will be forced to be displayed at all times.

xdebug.force_error_reporting

Type: int, default value: 0, since Xdebug version 2.3

This is a mask value similar to error_reporting, which uses logical or relationships to organize mask values ​​to determine which errors should or should not be displayed. This setting can only be configured in php.ini and cannot be used with the ini_set() function.

xdebug.halt_level

Type: int, default value: 0, since Xdebug version 2.3

This setting value will be a mask value to determine which type of error to convert. Supports four levels of settings:

xdebug.halt_level=E_WARNING|E_NOTICE|E_USER_WARNING|E_USER_NOTICE<br /><br /><br />
Copy after login
xdebug.max_nesting_level Type: integer, default value: 256 (the default value for versions before 2.3 is 100) This setting allows the maximum level of nested functions to run before the script stops. xdebug.scream Type: boolean, Default value: 0, starting from Xdebug version>= 2.1 If this value is set to 1, xdebug will display notifications, warnings and errors for statements marked with the @ symbol and will no longer hide them. ​ ​ Related functions: ​ string xdebug_call_file() Returns the name of the file currently executing this function. ​ string xdebug_call_function() Returns the function source name when the current function is called and executed. int xdebug_call_line() Returns the current line number of execution. ​ Example:
Example:

<?<span>php
    </span><span>function</span> fix_string(<span>$a</span><span>)
    {
        </span><span>echo</span> "Called @ ".<span>
            xdebug_call_file()</span>.
            ":".<span>
            xdebug_call_line()</span>.
            " from ".<span>
            xdebug_call_function();
    }

    </span><span>$ret</span> = fix_string(<span>array</span>('Derick'<span>));
</span>?>

<span>//</span><span> Called @ /home/httpd/html/test/xdebug_caller.php:12 from {main}</span>
Copy after login

string xdebug_call_class() Returns the calling class name. ​ void xdebug_disable() Do not display error tracking information. ​ void xdebug_enable() Display error tracking information. ​ string Starting with version 2.1 This function returns all collected error information formatted in table form. The starting point for collecting error information is determined using the function xdebug_start_error_collection(). By default, this function will not clear the error information collection cache. You can set the parameter to true and the cache will be cleared. ​ array xdebug_get_headers() Returns all header information in an array. All header information set by calling the header() function will be returned. bool xdebug_is_enabled() Check whether the debug trace is valid. ​ int
<?<span>php
</span><span>header</span>( "X-Test", "Testing"<span> );
</span><span>setcookie</span>( "TestCookie", "test-value"<span> );
</span><span>var_dump</span><span>( xdebug_get_headers() );
</span>?>

<span>/*</span><span>*
Returns:

array(2) {
  [0]=>
  string(6) "X-Test"
  [1]=>
  string(33) "Set-Cookie: TestCookie=test-value"
}
</span><span>*/</span>
Copy after login
xdebug_memory_usage() Returns the memory usage of the script. Versions compiled before PHP5.2.1 must be accompanied by the --enable-memory-limit parameter to be effective, and versions after this are always valid. ​ int xdebug_peak_memory_usage() Returns the highest value of memory usage. Versions compiled before PHP5.2.1 must be accompanied by the --enable-memory-limit parameter to be effective, and versions after this are always valid. ​ void xdebug_start_error_collection() Since version 2.1 Once this function is executed, PHP will no longer display any notification warnings and error messages. These messages will be stored in a cache and will not stop until xdebug_stop_error_collection() is executed. The error information content in the cache can be obtained through the xdebug_get_collected_errors() function. ​ void xdebug_stop_error_collection() Starting with version 2.1 Contrary to xdebug_start_error_collection(), it stops collecting all notifications, warnings, and error messages. Note that it does not clear the cache of collection errors. ​ float xdebug_time_index() Returns the current time index, the number of seconds since the script started running, expressed as a float.

www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/1133536.htmlTechArticleXdebug document (1) Basic features, xdebug document features basic attributes (parameters) xdebug.default_enable Type: boolean, default Value: 1 This is the basic setting of xdebug, the default is debugging trace...
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template