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ord

Convert the first byte of a string to a value between 0 and 255

Syntax

ord ( string $string ) : int

Parameters

string

A character.

Return

An integer between 0 and 255.

Examples

string

<?

$string = "Hello";

$return = ord($string);
echo $return;

?>
72

1

<?

echo ord("\n") . PHP_EOL;
echo ord(" ") . PHP_EOL;
echo ord(",") . PHP_EOL;
echo ord(".") . PHP_EOL;
echo ord("0") . PHP_EOL;
echo ord("9") . PHP_EOL;
echo ord("A") . PHP_EOL;
echo ord("Z") . PHP_EOL;
echo ord("a") . PHP_EOL;
echo ord("z") . PHP_EOL;

?>
10
32
44
46
48
57
65
90
97
122

2

<?

$string = "🐘";

for ($i = 0; $i < strlen($string); ++$i) {
    $byte = substr($string, $i);
    echo 'byte ' . $i . ' has value ' . ord($byte) . PHP_EOL;
}

?>
byte 0 has value 240
byte 1 has value 159
byte 2 has value 144
byte 3 has value 152

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