How do I find the ASCII value of a string character?

Sometimes you will need to know the ASCII value of a character in your string.

If you want to find this for the first character, then PHP offers the very simple function ord, which works a little like this:


<?php

$text = "\nhello";

echo ord($text);

?>

This little example will print '10' and shows one simple way in which this could be a function we want to use - we can use it to check for a leading line feed at the start of the string for instance by seeing if the ord($text) value returns 10.

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How do I find the ASCII value of a string character?

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