The ReflectionParameter class

(PHP 5, PHP 7, PHP 8)

Einführung

The ReflectionParameter class retrieves information about function's or method's parameters.

To introspect function parameters, first create an instance of the ReflectionFunction or ReflectionMethod classes and then use their ReflectionFunctionAbstract::getParameters() method to retrieve an array of parameters.

Klassenbeschreibung

classReflectionParameterimplementsReflector {

publicstring$name;

public__construct(string|array|object$function, int|string$param)

publicallowsNull(): bool

publiccanBePassedByValue(): bool

private__clone(): void

publicstaticexport(string$function, string$parameter, bool$return = ?): string

publicgetAttributes(?string$name = null, int$flags = 0): array

publicgetClass(): ?ReflectionClass

publicgetDeclaringClass(): ?ReflectionClass

publicgetDeclaringFunction(): ReflectionFunctionAbstract

publicgetDefaultValue(): mixed

publicgetDefaultValueConstantName(): ?string

publicgetName(): string

publicgetPosition(): int

publicgetType(): ?ReflectionType

publichasType(): bool

publicisArray(): bool

publicisCallable(): bool

publicisDefaultValueAvailable(): bool

publicisDefaultValueConstant(): bool

publicisOptional(): bool

publicisPassedByReference(): bool

publicisVariadic(): bool

public__toString(): string

}

Eigenschaften

name: Name of the parameter. Read-only, throws ReflectionException in attempt to write.

Changelog

Version	Beschreibung
8.0.0	ReflectionParameter::export() was removed.

Inhaltsverzeichnis

ReflectionParameter::allowsNull — Checks if null is allowed
ReflectionParameter::canBePassedByValue — Returns whether this parameter can be passed by value
ReflectionParameter::__clone — Clone
ReflectionParameter::__construct — Construct
ReflectionParameter::export — Exports
ReflectionParameter::getAttributes — Gets Attributes
ReflectionParameter::getClass — Get a ReflectionClass object for the parameter being reflected or null
ReflectionParameter::getDeclaringClass — Gets declaring class
ReflectionParameter::getDeclaringFunction — Gets declaring function
ReflectionParameter::getDefaultValue — Gets default parameter value
ReflectionParameter::getDefaultValueConstantName — Returns the default value's constant name if default value is constant or null
ReflectionParameter::getName — Gets parameter name
ReflectionParameter::getPosition — Gets parameter position
ReflectionParameter::getType — Gets a parameter's type
ReflectionParameter::hasType — Checks if parameter has a type
ReflectionParameter::isArray — Checks if parameter expects an array
ReflectionParameter::isCallable — Returns whether parameter MUST be callable
ReflectionParameter::isDefaultValueAvailable — Checks if a default value is available
ReflectionParameter::isDefaultValueConstant — Returns whether the default value of this parameter is a constant
ReflectionParameter::isOptional — Checks if optional
ReflectionParameter::isPassedByReference — Checks if passed by reference
ReflectionParameter::isVariadic — Checks if the parameter is variadic
ReflectionParameter::__toString — To string