string chr ( int ascii ) 返回相对应于 ascii 所指定的单个字符。 例子 1. chr() 示例<?php $str = "The string ends in escape: "; $str .= chr(27); /* 在 $str 后边增加换码符 *//* 通常这样更有用 */$str = sprintf("The string ends in escape: %c", 27); ?> ord (PHP 3, PHP 4, PHP 5)ord -- Return ASCII value of character Description int ord ( string string ) Returns the ASCII value of the first character of string. This function complements chr(). 例子 1. ord() example<?php $str = "\n"; if (ord($str) == 10) { echo "The first character of \$str is a line feed.\n"; } ?>
You can find an ASCII-table over here: http://www.asciitable.com. See also chr().
返回指定的字符 (PHP 3, PHP 4, PHP 5) string chr ( int ascii )描述
返回相对应于 ascii 所指定的单个字符。
返回相对应于 ascii 所指定的单个字符。 例子 1. chr() 示例<?php
$str = "The string ends in escape: ";
$str .= chr(27); /* 在 $str 后边增加换码符 *//* 通常这样更有用 */$str = sprintf("The string ends in escape: %c", 27);
?>
ord
(PHP 3, PHP 4, PHP 5)ord -- Return ASCII value of character
Description
int ord ( string string )
Returns the ASCII value of the first character of string. This function complements chr(). 例子 1. ord() example<?php
$str = "\n";
if (ord($str) == 10) {
echo "The first character of \$str is a line feed.\n";
}
?>
You can find an ASCII-table over here: http://www.asciitable.com. See also chr().