ReflectionProperty::getType

(PHP 7 >= 7.4.0, PHP 8)

ReflectionProperty::getType — Gets a property's type

说明

public ReflectionProperty::getType(): ?ReflectionType

Gets the associated type of a property.

参数

此函数没有参数。

返回值

Returns a ReflectionType if the property has a type, and null otherwise.

示例

示例 #1 ReflectionProperty::getType() example

<?php
class User
{
    public string $name;
}

$rp = new ReflectionProperty('User', 'name');
echo $rp->getType()->getName();
?>

以上示例会输出：

string

参见

ReflectionProperty::hasType() - Checks if property has a type
ReflectionProperty::isInitialized() - Checks whether a property is initialized

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email at dronov dot vg ¶

4 years ago

class User
{
    /**
     * @var string
     */
    public $name;
}

function getTypeNameFromAnnotation(string $className, string $propertyName): ?string
{
    $rp = new \ReflectionProperty($className, $propertyName);
    if (preg_match('/@var\s+([^\s]+)/', $rp->getDocComment(), $matches)) {
        return $matches[1];
    }
    
    return null;
}
    
echo getTypeNameFromAnnotation('User', 'name');

// string