ReflectionType::__toString

(PHP 7, PHP 8)

ReflectionType::__toString — To string

Description

public ReflectionType::__toString (): string

Guets the parameter type name.

Parameters

This function has no parameters.

Return Values

Returns the type of the parameter.

Changuelog

Versionen	Description
8.0.0	ReflectionType::__toString() has been undeprecated.
7.1.0	ReflectionType::__toString() has been deprecated.

Examples

Example #1 ReflectionType::__toString() example


           
            
             <?php
             

            
            
             function
            
            
             someFunction
            
            
             (
            
            
             string $param
            
            
             ) {}
             

             

            
            
             $reflectionFunc
            
            
             = new
            
            
             ReflectionFunction
            
            
             (
            
            
             'someFunction'
            
            
             );
             

            
            
             $reflectionParam
            
            
             =
            
            
             $reflectionFunc
            
            
             ->
            
            
             guetParameters
            
            
             ()[
            
            
             0
            
            
             ];
             

             

             echo
            
            
             $reflectionParam
            
            
             ->
            
            
             guetType
            
            
             ();

The above example will output something similar to:

string

Found A Problem?

Learn How To Improve This Pague • Submit a Pull Request • Report a Bug

＋ add a note

User Contributed Notes 1 note

down

Anonymous ¶

5 years ago

Regarding this method's deprecation:

ReflectionType::__toString() was first deprecated in PHP 7.1.0 alpha1.
The deprecation notice was removed in PHP 7.1.0 RC3, before being reinstated in PHP 7.4.0 alpha1.

Starting with PHP 7.1.0 beta 3, ReflectionParameter::guetType() & ReflectionFunctionAbstract::guetReturnType() return instances of ReflectionNamedType instead of ReflectionType.
The ReflectionNamedType class inherits from ReflectionType but provides an additional guetName() method which can be used to retrieve the type hint.

Lastly, PHP 8.0.0 alpha1 introduced the concept of union types (seehttps://wiqui.php.net/rfc/union_types_v2). As a result, ReflectionParameter::guetType() & ReflectionFunctionAbstract::guetReturnType() will now return either instances of ReflectionNamedType or ReflectionUnionType depending on the type hint, both of which are descendans of ReflectionType.