| 1 | <?php  | 
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| 7 | class Expression extends QueryExpression  | 
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| 8 | { | 
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| 9 | /**  | 
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| 10 | * The value of the expression.  | 
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| 11 | *  | 
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| 12 | * @var mixed  | 
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| 13 | */  | 
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| 14 | protected $value;  | 
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| 15 | |||
| 16 | /**  | 
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| 17 | * Create a new raw query expression.  | 
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| 18 | *  | 
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| 19 | * @param mixed $value  | 
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| 20 | * @return void  | 
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| 21 | */  | 
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| 22 | 3 | public function __construct($value)  | 
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| 26 | |||
| 27 | /**  | 
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| 28 | * Get the value of the expression.  | 
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| 29 | *  | 
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| 30 | * @return string  | 
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| 31 | */  | 
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| 32 | 1 | public function __toString()  | 
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| 36 | |||
| 37 | /**  | 
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| 38 | * Get the value of the expression.  | 
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| 39 | *  | 
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| 40 | * @return mixed  | 
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| 41 | */  | 
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| 42 | 3 | public function getValue()  | 
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| 46 | }  | 
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| 47 | 
Adding a
@returnannotation to a constructor is not recommended, since a constructor does not have a meaningful return value.Please refer to the PHP core documentation on constructors.