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ReflectionFunctionAbstract::getReturnType

(PHP 7)
Gets the specified return type of a function
public ReflectionType ReflectionFunctionAbstract::getReturnType ( void )

Gets the specified return type of a reflected function.

Returns:

Returns a ReflectionType object if a return type is specified, NULL otherwise.

Examples:
ReflectionFunctionAbstract::getReturnType() example
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<?php
 
function to_int($param) : int {
    return (int) $param;
}
 
$reflection1 = new ReflectionFunction('to_int');
echo $reflection1->getReturnType();

The above example will output:

int
Usage on built-in functions
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<?php
 
$reflection2 = new ReflectionFunction('array_merge');
 
var_dump($reflection2->getReturnType());

The above example will output:

null
See also:

ReflectionFunctionAbstract::hasReturnType() -

ReflectionType::__toString() -

doc_php
doc_php
2025-01-10 15:47:30
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