PHP strlen() Function
Topic: PHP String ReferencePrev|Next
Description
The strlen()
function returns the length of a string.
The following table summarizes the technical details of this function.
Return Value: | Returns the length of the string on success, and 0 if the string is empty. |
---|---|
Version: | PHP 4+ |
Syntax
The basic syntax of the strlen()
function is given with:
strlen(string);
The following example shows the strlen()
function in action.
Example
Run this code »<?php
// Sample string
$str = "Hello World!";
// Getting the string length
echo strlen($str);
?>
Parameters
The strlen()
function accepts the following parameters.
Parameter | Description |
---|---|
string | Required. Specifies the string to check for length. |