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<ReflectionClass::isUninitializedLazyObjectReflectionClass::markLazyObjectAsInitialized>
^ReflectionClassLast updated: Mon, 26 Oct 2026

ReflectionClass::isUserDefined

(PHP 5, PHP 7, PHP 8)

ReflectionClass::isUserDefined — Checks if user defined

Description

public function ReflectionClass::isUserDefined(): bool

Checks whether the class is user-defined, as opposed to internal.

Parameters

This function has no parameters.

Return Values

Returns true on success or false on failure.

See Also


<ReflectionClass::isUninitializedLazyObjectReflectionClass::markLazyObjectAsInitialized>
^ReflectionClassLast updated: Mon, 26 Oct 2026