PHP5中文手册·Return ASCII value of character -- 追寻梦想＞编程乐园＞PHP 编程

int ord ( string $string )

Returns the ASCII value of the first character of string .

This function complements chr().

Returns the ASCII value as an integer.

Example#1 ord() example


<?php
$str = "\n";
if (ord($str) == 10) {
    echo "The first character of \$str is a line feed.\n";
}
?>


	PHP5中文手册 number_format parse_str Strings PHP Manual ord (PHP 4, PHP 5) ord — Return ASCII value of character 说明 int ord ( string `$string` ) Returns the ASCII value of the first character of `string` . This function complements chr(). 参数 `string` A character. 返回值 Returns the ASCII value as an integer. 范例 Example#1 ord() example `<?php $str = "\n"; if (ord($str) == 10) { echo "The first character of \$str is a line feed.\n"; } ?>` 参见 chr() An » ASCII-table number_format parse_str Strings PHP Manual