(PHP 4 >= 4.3.0, PHP 5, PHP 7)
str_word_count — Return information about words used in a string
str_word_count ( string $string [, int $format = 0 [, string|null $characters = null ]] ) : array|int
Counts the number of words inside string
. If the optional format
is not specified, then the return value will be an integer representing the number of words found. In the event the format
is specified, the return value will be an array, content of which is dependent on the format
. The possible value for the format
and the resultant outputs are listed below.
For the purpose of this function, 'word' is defined as a locale dependent string containing alphabetic characters, which also may contain, but not start with "'" and "-" characters.
string
The string
format
Specify the return value of this function. The current supported values are:
string
string
and the value is the actual word itself characters
A list of additional characters which will be considered as 'word'
Returns an array or an integer, depending on the format
chosen.
Version | Description |
---|---|
8.0.0 | characters is nullable now. |
Example #1 A str_word_count() example
<?php $str = "Hello fri3nd, you're looking good today!"; print_r(str_word_count($str, 1)); print_r(str_word_count($str, 2)); print_r(str_word_count($str, 1, 'àáãç3')); echo str_word_count($str); ?>
The above example will output:
Array ( [0] => Hello [1] => fri [2] => nd [3] => you're [4] => looking [5] => good [6] => today ) Array ( [0] => Hello [6] => fri [10] => nd [14] => you're [29] => looking [46] => good [51] => today ) Array ( [0] => Hello [1] => fri3nd [2] => you're [3] => looking [4] => good [5] => today ) 7
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https://www.php.net/manual/en/function.str-word-count.php