Php/docs/function.get-defined-functions
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get_defined_functions
(PHP 4 >= 4.0.4, PHP 5, PHP 7)
get_defined_functions — Returns an array of all defined functions
Description
get_defined_functions
([ bool $exclude_disabled = FALSE
] ) : array
Gets an array of all defined functions.
Parameters
exclude_disabled- Whether disabled functions should be excluded from the return value.
Return Values
Returns a multidimensional array containing a list of all defined
functions, both built-in (internal) and user-defined. The internal
functions will be accessible via $arr["internal"], and
the user defined ones using $arr["user"] (see example
below).
Changelog
| Version | Description |
|---|---|
| 7.0.15, 7.1.1 | The exclude_disabled parameter has been added.
|
Examples
Example #1 get_defined_functions() example
<?phpfunction myrow($id, $data){ return "<tr><th>$id</th><td>$data</td></tr>\n";}$arr = get_defined_functions();print_r($arr);?>
The above example will output something similar to:
Array
(
[internal] => Array
(
[0] => zend_version
[1] => func_num_args
[2] => func_get_arg
[3] => func_get_args
[4] => strlen
[5] => strcmp
[6] => strncmp
...
[750] => bcscale
[751] => bccomp
)
[user] => Array
(
[0] => myrow
)
)
See Also
- function_exists() - Return TRUE if the given function has been defined
- get_defined_vars() - Returns an array of all defined variables
- get_defined_constants() - Returns an associative array with the names of all the constants and their values
- get_declared_classes() - Returns an array with the name of the defined classes
