How do I count the number of digits in a string in PHP?


How do I count the number of digits in a string in PHP?

php //function to count number of digits function countDigits($MyNum){ $MyNum = (int)$MyNum; if($MyNum != 0) return 1 + countDigits($MyNum/10); else return 0; } $x = 564; $y = 980620; echo “$x contains: “. countDigits($x).” digits\n”; echo “$y contains: “.

How many times a character appears in a string PHP?

PHP substr_count() Function The substr_count() function counts the number of times a substring occurs in a string. Note: The substring is case-sensitive. Note: This function does not count overlapped substrings (see example 2).

How do I count characters in word PHP?

PHP str_word_count() Function

  1. Count the number of words found in the string “Hello World!”: echo str_word_count(“Hello world!”);
  2. Return an array with the words from the string:
  3. Return an array where the key is the position of the word in the string, and value is the actual word:
  4. Without and with the char parameter:

What does count () do in PHP?

The count() function returns the number of elements in an array.

How do you count elements in a list?

The most straightforward way to get the number of elements in a list is to use the Python built-in function len() . As the name function suggests, len() returns the length of the list, regardless of the types of elements in it.

What is Array_values () used for?

The array_values() function returns an array containing all the values of an array. Tip: The returned array will have numeric keys, starting at 0 and increase by 1.

How do I index a string in PHP?

The PHP strpos() function returns the index of the first occurrence of a substring within a string. The strpos() function has the following parameters: The $haystack is a string to search in. The $needle is a string value to search for.

How do you count occurrences of a character in a string in SQL?

SQL Server: Count Number of Occurrences of a Character or Word in a String

  1. DECLARE @tosearch VARCHAR(MAX)=’In’
  2. SELECT (DATALENGTH(@string)-DATALENGTH(REPLACE(@string,@tosearch,”)))/DATALENGTH(@tosearch)
  3. AS OccurrenceCount.