PHP string ord() Function

Last Updated : 17 Mar 2025

PHP string ord() is predefined function. It is used to convert first byte of string to a value between 0 and 255. It returns ASCII value.

Syntax:

Parameter	Description	Required/Optional
string	Specify string value	required

Example 1

<?php
echo "Your Value is: A"."<br>";
echo "By using 'ord()' Function:".ord("A")."<br>";
?>

Output:

Your Value is: P
By using 'ord()' Function:80

Example 2

<?php
echo "Your Value is: PHP"."<br>";
echo "By using 'ord()' Function:".ord("PHP")."<br>";
?>

Output:

Your Value is: PHP
By using 'ord()' Function:80

Note: This function returns the ASCII value of the first character of a string.

Example 3

<?php
echo "Converted ASCII VALUE"."<br>";
for($i=0;$i<=5;$i++){
    echo ord("$i")."<br>";
}
?>

Output:

Converted ASCII VALUE
48
49
50
51
52
53

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