How to find number of characters in a string in PHP ?

We have given a string and the task is to count number of characters in a string str in PHP. In order to do this task, we have the following methods in PHP:

Method 1: Using strlen() Method: The strlen() method is used to get the length of a given string str. Length of the string including all the white spaces and special characters in this method.

Syntax:

strlen( $string )

Example :

PHP

filter_none

edit
close

play_arrow

link
brightness_4
code

<?php
// PHP program to count all
// characters in a string 
    
$str = "  Geeks for Geeks  "
    
// Using strlen() function to
// get the length of string
$len = strlen($str);
  
// Printing the result
echo $len
?>

chevron_right


Output



19

Method 2: Using mb_strlen() Method: The mb_strlen() method is used to return the number of characters in a string having character encoding. A multi-byte character is counted as 1.

Syntax:

mb_strlen($str, $encoding);

Note: Before using this function, install the php7.0-mbstring package using the following command:

sudo apt install php7.0-mbstring

Example :

PHP

filter_none

edit
close

play_arrow

link
brightness_4
code

<?php
// PHP program to count all
// characters in a string 
    
$str = "  Geeks for Geeks  "
    
// Using mb_strlen() function 
// to get the length of string
$len = mb_strlen($str);
  
// Printing the result
echo $len
?>

chevron_right


Output

19

Method 3: Using iconv_strlen() Method: The iconv_strlen() method is used to get the character count of a string, as an integer.

Syntax:

int iconv_strlen( string $str, 
    string $charset = ini_get("iconv.internal_encoding"))

Example :

PHP

filter_none

edit
close

play_arrow

link
brightness_4
code

<?php
// PHP program to count number
// of characters in a string 
    
$str = "  Geeks for Geeks  "
    
// Using iconv_strlen() function 
// to get the length of string
$len = iconv_strlen($str);
  
// Printing the result
echo $len
?>

chevron_right


Output

19

Method 4: Using grapheme_strlen() Method: The grapheme_strlen() method is used to get the string length in grapheme units (not bytes or characters).

Syntax:

int grapheme_strlen(string $input)

Example :

PHP

filter_none

edit
close

play_arrow

link
brightness_4
code

<?php
// PHP program to count number
// of characters in a string 
    
$str = "  Geeks for Geeks  "
    
// Using grapheme_strlen() function 
// to get the length of string
$len = grapheme_strlen($str);
  
// printing the result
echo $len
?>

chevron_right


Output

19



My Personal Notes arrow_drop_up

Small things always make you to think big

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.