Iterator::current
Be careful, the returned value must be a scalar! Took me a while to figure out why foreach() doesn't work on my class that handles arrays with object keys...
Iterator::key
(PHP 5 >= 5.0.0)
Iterator::key — Return the key of the current element
Description
abstract public scalar Iterator::key
( void
)
Returns the key of the current element.
Parameters
This function has no parameters.
Return Values
Returns scalar on success, or NULL on failure.
Errors/Exceptions
Issues E_NOTICE on failure.
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User Contributed Notes
Iterator::key
Anonymous
26-May-2011 03:40