PHP ��U
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# strlen

(PHP 3, PHP 4, PHP 5)

strlen -- Get string length

## Description

int strlen ( string string )

Returns the length of the given string.

## Parameters

string

  The string being measured for length.

## Return Values

The length of the string on success, and 0 if the string is empty.

## �d��

範例 1. A strlen() example
`<?php $str = 'abcdef'; echo strlen($str); // 6 $str = ' ab cd '; echo strlen($str); // 7 ?>`

## �Ѧ�

count()
mb_strlen()

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