string to int (ASCII) conversion problem

[softsolutions]

Hi,

I am new to php. I am facing an algorithm problem where I have a string consisting of numbers like 097110107....  and this string needs to be broken in groups of 3 digits each such that 097110107 = [097] [110] [107] The length of string is a multiple of 3 of-course for equal length sub-groups and then each sub-group needs to be converted to the ASCII equivalent character like [097] [110] [107] = ank  and of-course all sub-groups will be less than 256 value as integer of 3 digits.

 

How do I do all this in php?

 

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Thanks,

Ankit

[Pikachu2000]

Use the modulus operator to verify the string is of the proper length (divisible by 3), then you can use str_split to separate it into an array, in chunks of 3 characters. At that point, you can loop through the array and convert each element into its corresponding character.

[softsolutions]

Hi Pikachu2000,

Thank you for your reply. Please if you could write some php code/syntax for it. I know it should not ask this but I am new to php. I have done enough programming in c#, c++, vb etc. but not in php. so any help in syntax/code will be very helpful. thanks.

[Alex]

$old_string = "097110107";
$arr = str_split($old_string, 3);
$new_string = "";
foreach($arr as $char) {
    $new_string .= chr($char);
}
echo $new_string;