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PHP Quiz PHP CertificatePHP str_word_count() Function
Example
Count the number of words found in the string "Hello World!":
<?php
echo str_word_count("Hello world!");
?>
echo str_word_count("Hello world!");
?>
Run example »
Definition and Usage
The str_word_count() function counts the number of words in a string.
Syntax
str_word_count(string,return,char)
| Parameter | Description |
|---|---|
| string | Required. Specifies the string to check |
| return | Optional. Specifies the return value of the
str_word_count() function. Possible values:
|
| char | Optional. Specifies special characters to be considered as words. |
Technical Details
| Return Value: | Returns a number or an array, depending on the chosen return parameter |
|---|---|
| PHP Version: | 4+ |
| Changelog: | The char parameter was added in PHP 5.1 |
More Examples
Example 1
Return an array with the words from the string:
<?php
print_r(str_word_count("Hello world!",1));
?>
print_r(str_word_count("Hello world!",1));
?>
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Example 2
Return an array where the key is the position of the word in the string, and value is the actual word:
<?php
print_r(str_word_count("Hello world!",2));
?>
print_r(str_word_count("Hello world!",2));
?>
Run example »
Example 3
Without and with the char parameter:
<?php
print_r(str_word_count("Hello world & good morning!",1));
print_r(str_word_count("Hello world & good morning!",1,"&"));
?>
print_r(str_word_count("Hello world & good morning!",1));
print_r(str_word_count("Hello world & good morning!",1,"&"));
?>
Run example »
Complete PHP String Reference
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