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    The Deprecated attribute

    (PHP 8 >= 8.4.0)

    Introducción

    This attribute is used to mark functionality as deprecated. Using deprecated functionality will cause an E_USER_DEPRECATED error to be emitted.

    Sinopsis de la Clase

    final class Deprecated {
    /* Propiedades */
    public readonly ?string $message;
    public readonly ?string $since;
    /* Métodos */
    public __construct(?string $message = null, ?string $since = null)
    }

    Propiedades

    message

    An optional message explaining the reason for the deprecation and possible replacement functionality. Will be included in the emitted deprecation message.

    since

    An optional string indicating since when the functionality is deprecated. The contents are not validated by PHP and may contain a version number, a date or any other value that is considered appropriate. Will be included in the emitted deprecation message.

    Functionality that is part of PHP will use Major.Minor as the since value, for example '8.4'.

    Ejemplos

    <?php

    #[\Deprecated(message: "use safe_replacement() instead", since: "1.5")]
    function     unsafe_function()
    {
    echo     "This is unsafe", PHP_EOL;
    }

    unsafe_function();

    ?>

    Output of the above example in PHP 8.4 is similar to:

    Deprecated: Function unsafe_function() is deprecated since 1.5, use safe_replacement() instead in example.php on line 9
This is unsafe

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