Given a string and we have to count the total number of words in it.

給定一個(gè)字符串，我們必須計(jì)算其中的單詞總數(shù)。

str_word_count() function

str_word_count()函數(shù)

To find the total number of words in a string, we can use str_word_count() function – which is a library function in PHP – it returns the total number of words in the string.

要查找字符串中的單詞總數(shù) ，我們可以使用str_word_count()函數(shù)(這是PHP中的庫(kù)函數(shù))，它返回字符串中的單詞總數(shù)。

Syntax:

句法：

str_word_count(string,return,char);

Here,

這里，

• string is a required parameter, this is the string in which we have to find the total number of words.

  string是必需的參數(shù)，這是我們必須在其中查找單詞總數(shù)的字符串。

• return – it is an optional parameter used for specifying the return type – it can accept three values

  return –它是用于指定返回類型的可選參數(shù)–它可以接受三個(gè)值

  • 0 – Which is the default value, it specifies the return the number of words in the string.
  • 0 –這是默認(rèn)值，它指定返回字符串中的單詞數(shù)。
  • 1 – It specifies the return of the array with the words.
  • 1 –它指定帶有單詞的數(shù)組的返回。
  • 2 – It specifies the return of the array where key is the position and value is the actual word.
  • 2 –它指定數(shù)組的返回值，其中key是位置，而value是實(shí)際單詞。

• char – it is an optional parameter – it is used to specify a special character to consider as a word.

  char –這是一個(gè)可選參數(shù)–用于指定要視為單詞的特殊字符。

PHP code to count the total number of words in a string

PHP代碼計(jì)算字符串中單詞的總數(shù)

<?php //input string $str = "The Quick brown fox jumps right over The Lazy Dog"; //counting the words by calling str_word_count function $response = str_word_count($str); //printing the result echo "There are ".$response." Words in <b>".$str."</b>".'<br/>';//input string $str = "Hello @ 123 . com"; //counting the words by calling str_word_count function $response = str_word_count($str); //printing the result echo "There are ".$response." Words in <b>".$str."</b>".'<br/>';//input string $str = "Hello @ IncludeHelp @ com"; //counting the words by calling str_word_count function //specify the '@' as a word $response = str_word_count($str, 0, '@'); //printing the result echo "There are ".$response." Words in <b>".$str."</b>".'<br/>'; ?>

Output

輸出量

There are 10 Words in The Quick brown fox jumps right over The Lazy Dog There are 2 Words in Hello @ 123 . com There are 5 Words in Hello @ IncludeHelp @ com

Explanation:

說(shuō)明：

In PHP, We have the function str_word_count() to count the number of words in a string. We use the same to get the number of words in the string ($str) and store the output of the function in ($response) then use echo to print the result.

在PHP中，我們具有函數(shù)str_word_count()來(lái)計(jì)算字符串中的單詞數(shù)。 我們使用相同的方法獲取字符串( $ str )中的單詞數(shù)，并將函數(shù)的輸出存儲(chǔ)在( $ response )中，然后使用echo打印結(jié)果。

翻譯自: https://www.includehelp.com/php/count-the-total-number-of-words-in-a-string.aspx

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