How find multiple of a number in PHP?

How find multiple of a number in PHP?

Use the % operator. The Modulo operator divides the numbers and returns the remainder. In math, a multiple means that the remainder equals 0. Show activity on this post. You can use the modulus operator, if the result is 0 then the function should return true.

How can I replace multiple words in a string in PHP?

Approach 1: Using the str_replace() and str_split() functions in PHP. The str_replace() function is used to replace multiple characters in a string and it takes in three parameters. The first parameter is the array of characters to replace.

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

To count specific characters in string or count repeated in a string PHP, you can use PHP function substr_count().

How do you find multiples of 6?

The rule for recognising multiples of 6 is that the number must end in 0, 2, 4, 6, or 8 and the digits must add up to make a number in the 3 times table. For example, 318 is a multiple of 6 because it ends in an 8 and the digits 3 + 1 + 8 add to make 12, which is a number in the 3 times table.

How do you check if a number is multiple of 10 in PHP?

Example: $num = 142; $arredondado = (ceil($num/10))*10; //resultado 150; echo $arredondado; Simply divide the number by 10, and round it up to get the next number, then simply multiply it by 10 and get the desired number.

How do I replace Substr?

PHP substr_replace() Function

  1. Replace “Hello” with “world”:
  2. Start replacing at the 6th position in the string (replace “world” with “earth”):
  3. Start replacing at the 5th position from the end of the string (replace “world” with “earth”):
  4. Insert “Hello” at the beginning of “world”:
  5. Replace multiple strings at once.

How do you find the number of repeating characters in a string?

Approach:

  1. Find the occurrences of character ‘a’ in the given string.
  2. Find the No. of repetitions which are required to find the ‘a’ occurrences.
  3. Multiply the single string occurrences to the No.
  4. If given n is not the multiple of given string size then we will find the ‘a’ occurrences in the remaining substring.

What is used to count the number of words in a string in PHP?

str_word_count() function
The input string. Specifies the return value of the str_word_count() function. Supported values : 0 – returns the number of words found.

How can check integer value or not in PHP?

The is_int() function checks whether a variable is of type integer or not. This function returns true (1) if the variable is of type integer, otherwise it returns false.

How do you find the last occurrence of a substring in a string in PHP?

The strrpos() function finds the position of the last occurrence of a string inside another string. Note: The strrpos() function is case-sensitive. Related functions: strpos() – Finds the position of the first occurrence of a string inside another string (case-sensitive)