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get_defined_constantsReturns an associative array with the names of all the constants and their values Description
array get_defined_constants(bool
$categorize = false )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. Parameters
Return ValuesReturns an array of constant name => constant value array, optionally groupped by extension name registering the constant. Examples
Example #1 get_defined_constants Example
The above example will output something similar to: 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 ) See Also
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