PHP Handbuch
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# is_a

(PHP 4 >= 4.2.0)

is_a -- Returns `TRUE` if the object is of this class or has this class as one of its parents

## Description

bool is_a ( object object, string class_name)

This function returns `TRUE` if the object is of this class or has this class as one of its parents, `FALSE` otherwise.

See also get_class(), get_parent_class(), and is_subclass_of().

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get_parent_class | Nach oben | is_subclass_of