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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


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