key
key — Fetch a key from an array.Description
key( array|object $array ): int|string|nullkey() returns the index element of the current array position.
Parameters
array
The array.
Return Values
The key() function simply returns the key of the array element that's currently being pointed to by the internal pointer. It does not move the pointer in any way. If the internal pointer points beyond the end of the elements list or the array is empty, key() returns null.More information about key on official PHP documentation site
key - Popular snippets
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key - New snippets
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