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Edit
In Place Editing Advanced Editing
  • References
  • PHP
  • Language
  • Predefined Interfaces and Classes
  • Iterator

Iterator::key

(PHP 5 >= 5.0.0, PHP 7)
Return the key of the current element
abstract public scalar Iterator::key ( void )

Returns the key of the current element.

Returns:

Returns scalar on success, or NULL on failure.

Exception:

Issues E_NOTICE on failure.

Links:
  • http://php.net/manual/en/iterator.key.php
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doc_php
2025-01-10 15:47:30
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