PHP str_word_count() Function

PHP str_word_count() Function

The str_word_count() function in PHP counts the number of words inside the string and returns the information about words used in a string.

String

str_word_count( string $string [, int $format [, string $charlist ]] )

Parameter

string(required)- This parameter represents the input string.

format(required)- This parameterspecifies the return value for str_word_count() function. The supported format values are as follows:

• 0 – It returns the number of words found. It is the default value.
• 1 – It returns an array containing all the words found inside the specified string
• 2 - It returns an associative array, where the key is the numeric position of the word inside the string and the value is the actual word itself

charlist(optional)- This parameter specifies the special characters to be considered as words.

Return

This function returns an array or an integer, depending on the format chosen.

Example 1

Output

Array
 (
     [0] => Hello
     [1] => friend
 )
 The count of the string: 2 

Example 2

Output

Array
 (
     [0] => Hello
     [6] => friend
     [14] => How
     [18] => are
     [22] => you
     [26] => today
 ) 

Example 3

Output

Array
 (
     [0] => Hello
     [1] => friend
     [2] => How
     [3] => are
     [4] => you
     [5] => today
 ) 

Example 4

Output

PHP Warning:  str_word_count(): Invalid format value -1 in /workspace/Main.php on line 5

Example 5

Output

PHP Warning:  str_word_count(): Invalid format value 3 in /workspace/Main.php on line 5