PHP function str_word_count()

Availability in versions: PHP 4.3.0

Return information about words used in a string

Parameters

Parameter	Data type	Default value	Note
$string	string	not	The string
$format	int	null,	Specify the return value of this function. The current supported values are: 0 - returns the number of words found @param string $charlist [optional] A list of additional characters which will be considered as 'word'
$charlist	string	null	A list of additional characters which will be considered as 'word'

Return Values

mixed

an array or an integer, depending on the format chosen.

Other resources

Official str-word-count documentation