Vin Vin - 1 year ago 116
PHP Question

How to convert text to \x codes?

I want to convert normal text to \x codes for e.g \x14\x65\x60

For example :

normal text = "base64_decode"
converted \x codes for above text = "\x62\141\x73\145\x36\64\x5f\144\x65\143\x6f\144\x65"

How to do this? Thanks in advance.

Answer Source

PHP 5.3 one-liner:

echo preg_replace_callback("/./", function($matched) {
    return '\x'.dechex(ord($matched[0]));
}, 'base64_decode');

Outputs \x62\x61\x73\x65\x36\x34\x5f\x64\x65\x63\x6f\x64\x65

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