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str_word_count
(PHP 4 >= 4.3.0, PHP 5, PHP 7)
str_word_count — Return information about words used in a string
Description
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.
Parameters
-
string -
The string
-
format -
Specify the return value of this function. The current supported values are:
- 0 - returns the number of words found
-
1 - returns an array containing all the words found inside the
string -
2 - returns an associative array, where the key is the numeric
position of the word inside the
stringand the value is the actual word itself
-
charlist -
A list of additional characters which will be considered as 'word'
Examples
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
See Also
- explode() - Split a string by a string
- preg_split() - Split string by a regular expression
- split() - Split string into array by regular expression
- count_chars() - Return information about characters used in a string
- substr_count() - Count the number of substring occurrences
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-function.str-word-count.html
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References
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