UOPZ_UNDEFINE(3) 1 UOPZ_UNDEFINE(3)uopz_undefine - Undefine a constantSYNOPSIS
void uopz_undefine (string $class, string $constant)
DESCRIPTION
void uopz_undefine (string $constant)
Removes the constant at runtime
PARAMETERS
o $class
- The name of the class containing $constant
o $constant
- The name of an existing constant
RETURN VALUES EXAMPLES
Example #1
uopz_undefine(3) example
<?php
define("MY", true);
uopz_undefine("MY");
var_dump(defined("MY"));
?>
The above example will output something similar to:
bool(false)
PHP Documentation Group UOPZ_UNDEFINE(3)
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CLASS_ALIAS(3) 1 CLASS_ALIAS(3)class_alias - Creates an alias for a classSYNOPSIS
bool class_alias TRUE (string $original, string $alias, [bool $autoload])
DESCRIPTION
Creates an alias named $alias based on the user defined class $original. The aliased class is exactly the same as the original class.
PARAMETERS
o $original
- The original class.
o $alias
- The alias name for the class.
o $autoload
- Whether to autoload if the original class is not found.
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
class_alias(3) example
<?php
class foo { }
class_alias('foo', 'bar');
$a = new foo;
$b = new bar;
// the objects are the same
var_dump($a == $b, $a === $b);
var_dump($a instanceof $b);
// the classes are the same
var_dump($a instanceof foo);
var_dump($a instanceof bar);
var_dump($b instanceof foo);
var_dump($b instanceof bar);
?>
The above example will output:
bool(true)
bool(false)
bool(true)
bool(true)
bool(true)
bool(true)
bool(true)
SEE ALSO get_parent_class(3), is_subclass_of(3).
PHP Documentation Group CLASS_ALIAS(3)
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