get_defined_constants
(PHP 4 >= 4.0.7, PHP 5)
get_defined_constants — Returns an associative array with the names of all the constants and their values
Descrierea
Returns the names and values of all the constants currently defined. This includes those created by extensions as well as those created with the define() function.
Parametri
- categorize
-
May be passed, causing this function to return a multi-dimensional array with categories in the keys of the first dimension and constants and their values in the second dimension.
<?php
define("MY_CONSTANT", 1);
print_r(get_defined_constants(true));
?>Exemplul de mai sus va afiÅŸa ceva similar cu:
Array ( [internal] => Array ( [E_ERROR] => 1 [E_WARNING] => 2 [E_PARSE] => 4 [E_NOTICE] => 8 [E_CORE_ERROR] => 16 [E_CORE_WARNING] => 32 [E_COMPILE_ERROR] => 64 [E_COMPILE_WARNING] => 128 [E_USER_ERROR] => 256 [E_USER_WARNING] => 512 [E_USER_NOTICE] => 1024 [E_ALL] => 2047 [TRUE] => 1 ) [pcre] => Array ( [PREG_PATTERN_ORDER] => 1 [PREG_SET_ORDER] => 2 [PREG_OFFSET_CAPTURE] => 256 [PREG_SPLIT_NO_EMPTY] => 1 [PREG_SPLIT_DELIM_CAPTURE] => 2 [PREG_SPLIT_OFFSET_CAPTURE] => 4 [PREG_GREP_INVERT] => 1 ) [user] => Array ( [MY_CONSTANT] => 1 ) )
Notă: The value of the categorize parameter is irrelevant, only its presence is considered.
Valorile întroarse
Istoria schimbărilor
Versiunea | Descriere |
---|---|
5.0.0 | The categorize parameter was added. |
Exemple
Example#1 get_defined_constants() Example
<?php
print_r(get_defined_constants());
?>
Exemplul de mai sus va afiÅŸa ceva similar cu:
Array ( [E_ERROR] => 1 [E_WARNING] => 2 [E_PARSE] => 4 [E_NOTICE] => 8 [E_CORE_ERROR] => 16 [E_CORE_WARNING] => 32 [E_COMPILE_ERROR] => 64 [E_COMPILE_WARNING] => 128 [E_USER_ERROR] => 256 [E_USER_WARNING] => 512 [E_USER_NOTICE] => 1024 [E_ALL] => 2047 [TRUE] => 1 )