PHP function gettype()

Availability in PHP 4.0

Returns the type of the variable.

Parameters

Parameter	Data type	Default value	Note
$var	mixed	not	Variable to check

Return values

string

Returns the type of the variable.

Returns one of the following:

• boolean
• integer
• double (for historical reasons, double is returned instead of float, based on the C implementation of PHP, which uses double)
• string
• array
• object
• resource
• NULL
• unknown type (unknown type)

Other resources

Official gettype documentation