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PHP str_word_count() Function

PHP str_word_count() function is used to get the information about the words used in a given input string. It returns the information like total number of words present in the string, positions of the words in the string.

Syntax:

  str_word_count($string , $return, $char);

Parameter Values

Parameter	Description
string	This is a required parameter. This parameter contains the string to check.
return	This is an optional parameter. This parameter defines the return value of the function. Possible values: 0 - Default. Returns the number of words in the string. 1 - Returns an array with the words of the string 2 - Returns an array in which the key is the position of the word in the string and value is the actual word.
char	This is an optional parameter. This parameter defines special character to be considered as word.

Here is an example of str_word_count() function in PHP:

<html>
<body>

<?php
$str = "CodeIgniter is an Open Source PHP Framework. It has a very rich set of functionality, which will increase the speed of website development work.";

echo str_word_count($str);
?>

</body>
</html>

Output:
24

Here is an another example of str_word_count() function in PHP using different $return values:

<html>
<body>

<pre>
<?php
$str = "CodeIgniter is an Open Source PHP Framework.";

print_r (str_word_count($str,1)); // returns an array with all the words
echo "<br>";
print_r (str_word_count($str,2)); // returns an array with all the words and their positions
?>
</pre>

</body>
</html>

Output:
Array
(
[0] => CodeIgniter
[1] => is
[2] => an
[3] => Open
[4] => Source
[5] => PHP
[6] => Framework
)

Array
(
[0] => CodeIgniter
[12] => is
[15] => an
[18] => Open
[23] => Source
[30] => PHP
[34] => Framework
)

Here is an another example of str_word_count() function in PHP using the $char values:

<html>
<body>

<pre>
<?php
$str = "CodeIgniter & Laravel is an Open Source PHP Framework.";

print_r(str_word_count($str,1));
print "<br>";
print_r(str_word_count($str,1,"&"));
?>
</pre>

</body>
</html>

Output:
Array
(
[0] => CodeIgniter
[1] => Laravel
[2] => is
[3] => an
[4] => Open
[5] => Source
[6] => PHP
[7] => Framework
)

Array
(
[0] => CodeIgniter
[1] => &
[2] => Laravel
[3] => is
[4] => an
[5] => Open
[6] => Source
[7] => PHP
[8] => Framework
)

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