PHP5中文手册·Get string length -- 追寻梦想＞编程乐园＞PHP 编程

int strlen ( string $string )

Returns the length of the given string .

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

Example#1 A strlen() example


<?php
$str = 'abcdef';
echo strlen($str); // 6

$str = ' ab cd ';
echo strlen($str); // 7
?>


	PHP5中文手册 stristr strnatcasecmp Strings PHP Manual strlen (PHP 4, PHP 5) strlen — Get string length 说明 int strlen ( string `$string` ) Returns the length of the given `string` . 参数 `string` The string being measured for length. 返回值 The length of the `string` on success, and 0 if the `string` is empty. 范例 Example#1 A strlen() example `<?php $str = 'abcdef'; echo strlen($str); // 6 $str = ' ab cd '; echo strlen($str); // 7 ?>` 参见 count() mb_strlen() stristr strnatcasecmp Strings PHP Manual

strlen