Deprecated Features

PHP Core

Usage of dynamic properties

The creation of dynamic properties is deprecated, unless the class opts in by using the #[\AllowDynamicProperties] attribute. stdClass allows dynamic properties. Usage of the __get()/__set() magic methods is not affected by this change. A dynamic properties deprecation warning can be addressed by:

  • Declaring the property (preferred).
  • Adding the #[\AllowDynamicProperties] attribute to the class (which also applies to all child classes).
  • Using a WeakMap if additional data needs to be associated with an object which one does not own.

Relative callables

Callables that are not accepted by the $callable() syntax (but are accepted by call_user_func()) are deprecated. In particular:

  • "self::method"
  • "parent::method"
  • "static::method"
  • ["self", "method"]
  • ["parent", "method"]
  • ["static", "method"]
  • ["Foo", "Bar::method"]
  • [new Foo, "Bar::method"]
This does not affect normal method callables such as "A::method" or ["A", "method"].

"${var}" and "${expr}" style interpolation

The "${var}" and "${expr}" style of string interpolation is deprecated. Use "$var"/"{$var}" and "{${expr}}", respectively.

MBString

Usage of the QPrint, Base64, Uuencode, and HTML-ENTITIES 'text encodings' is deprecated for all MBString functions. Unlike all the other text encodings supported by MBString, these do not encode a sequence of Unicode codepoints, but rather a sequence of raw bytes. It is not clear what the correct return values for most MBString functions should be when one of these non-encodings is specified. Moreover, PHP has separate, built-in implementations of all of them; for example, UUencoded data can be handled using convert_uuencode()/convert_uudecode().

SPL

The internal SplFileInfo::_bad_state_ex() method has been deprecated.

Standard

utf8_encode() and utf8_decode() have been deprecated.

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User Contributed Notes 1 note

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tabflo at gmx dot at
1 year ago
a have a baseclass for all databasemodels and handle my dynamic property setter and getter this way:

    public array $dynamicProperties = [];

    public function __set(string $name, mixed $value) {
        if(property_exists($this, $name))
            $this->{$name} = $value;
        else
            $this->dynamicProperties[$name] = $value;
    }
   
    public function __get(string $name) {
        if(property_exists($this, $name))
            return $this->$name;
        else
            return $this->dynamicProperties[$name];
    }

just put the content into a class and extend from it. enjoy :)
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