{$name} ?? null; if (\is_iterable($handlers)) { foreach ($handlers as $handler) { $handler(...$args); } } elseif ($handlers !== null) { throw new UnexpectedValueException("Property {$class}::\${$name} must be iterable or null, " . \get_debug_type($handlers) . ' given.'); } return null; } ObjectHelpers::strictCall($class, $name); } /** * @throws MemberAccessException */ public static function __callStatic(string $name, array $args) { ObjectHelpers::strictStaticCall(static::class, $name); } /** * @return mixed * @throws MemberAccessException if the property is not defined. */ public function &__get(string $name) { $class = static::class; if ($prop = ObjectHelpers::getMagicProperties($class)[$name] ?? null) { // property getter if (!($prop & 0b1)) { throw new MemberAccessException("Cannot read a write-only property {$class}::\${$name}."); } $m = ($prop & 0b10 ? 'get' : 'is') . \ucfirst($name); if ($prop & 0b10000) { $trace = \debug_backtrace(0, 1)[0]; // suppose this method is called from __call() $loc = isset($trace['file'], $trace['line']) ? " in {$trace['file']} on line {$trace['line']}" : ''; \trigger_error("Property {$class}::\${$name} is deprecated, use {$class}::{$m}() method{$loc}.", \E_USER_DEPRECATED); } if ($prop & 0b100) { // return by reference return $this->{$m}(); } else { $val = $this->{$m}(); return $val; } } else { ObjectHelpers::strictGet($class, $name); } } /** * @throws MemberAccessException if the property is not defined or is read-only * @param mixed $value */ public function __set(string $name, $value) : void { $class = static::class; if (ObjectHelpers::hasProperty($class, $name)) { // unsetted property $this->{$name} = $value; } elseif ($prop = ObjectHelpers::getMagicProperties($class)[$name] ?? null) { // property setter if (!($prop & 0b1000)) { throw new MemberAccessException("Cannot write to a read-only property {$class}::\${$name}."); } $m = 'set' . \ucfirst($name); if ($prop & 0b10000) { $trace = \debug_backtrace(0, 1)[0]; // suppose this method is called from __call() $loc = isset($trace['file'], $trace['line']) ? " in {$trace['file']} on line {$trace['line']}" : ''; \trigger_error("Property {$class}::\${$name} is deprecated, use {$class}::{$m}() method{$loc}.", \E_USER_DEPRECATED); } $this->{$m}($value); } else { ObjectHelpers::strictSet($class, $name); } } /** * @throws MemberAccessException */ public function __unset(string $name) : void { $class = static::class; if (!ObjectHelpers::hasProperty($class, $name)) { throw new MemberAccessException("Cannot unset the property {$class}::\${$name}."); } } public function __isset(string $name) : bool { return isset(ObjectHelpers::getMagicProperties(static::class)[$name]); } }