ARRAY OPERATIONS
There are a couple of functions supporting array variables specifically.
int count( variable [, recursive] )
Returns the count of elements in an array or other variable. Includes
recursive counts for multi-dimensional arrays if the recursive option
is set to 1.
array array_remove( array $arr, string $key )
Returns a copy of the array $arr without an element with the
specified
$key.
SEE ALSO
HELP Topics:
MATH,
LIBRARY
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