Login Register

Iterator::valid

(PHP 5 >= 5.0.0, PHP 7)

Checks if current position is valid

abstract public boolean Iterator::valid ( void )

This method is called after Iterator::rewind() and Iterator::next() to check if the current position is valid.

Returns:

The return value will be casted to boolean and then evaluated. Returns TRUE on success or FALSE on failure.

Links:

http://php.net/manual/en/iterator.valid.php

doc_php

2025-01-10 15:47:30

Comments

Leave a Comment

Please login to continue.

Popular Articles

iterator Symbol.iterator A method that returns the default iterator for an object. Called by the semantics of the for-of statement.

iterator.__iter__() iterator.__iter__() Return the iterator object itself. This is required to allow both containers and iterators to be used with the for and in stat

Iterables Iterables An object is deemed iterable if it has an implementation for the Symbol.iterator property. Some built-in types like Array, Map, Set, String

iterator? iterator? â true or false Instance Public methods Returns true if yield would execute a block in the current context. The iterator?

iter() iter(object[, sentinel]) Return an iterator object. The first argument is interpreted very differently depending on the presence of the second arg