LogIN- · January 29, 2023 18:29 · harryqt · May 25, 2020 · lewatt23 · Oct 22, 2021
diff --git a/encode_decode.php b/encode_decode.php
 <?php

 // Updated code from comments

 function encode($value) {
    if (!$value) {
        return false;
    }

    $key = sha1('EnCRypT10nK#Y!RiSRNn');
    $strLen = strlen($value);
    $keyLen = strlen($key);
    $j = 0;
    $crypttext = '';

    for ($i = 0; $i < $strLen; $i++) {
        $ordStr = ord(substr($value, $i, 1));
        if ($j == $keyLen) {
            $j = 0;
        }
        $ordKey = ord(substr($key, $j, 1));
        $j++;
        $crypttext .= strrev(base_convert(dechex($ordStr + $ordKey), 16, 36));
    }

    return $crypttext;
 }


 function decode($value) {
    if (!$value) {
        return false;
    }

    $key = sha1('EnCRypT10nK#Y!RiSRNn');
    $strLen = strlen($value);
    $keyLen = strlen($key);
    $j = 0;
    $decrypttext = '';

    for ($i = 0; $i < $strLen; $i += 2) {
        $ordStr = hexdec(base_convert(strrev(substr($value, $i, 2)), 36, 16));
        if ($j == $keyLen) {
            $j = 0;
        }
        $ordKey = ord(substr($key, $j, 1));
        $j++;
        $decrypttext .= chr($ordStr - $ordKey);
    }

    return $decrypttext;
 }
 ?>
	<?php

	// Updated code from comments

	function encode($value) {
	if (!$value) {
	return false;
	}

	$key = sha1('EnCRypT10nK#Y!RiSRNn');
	$strLen = strlen($value);
	$keyLen = strlen($key);
	$j = 0;
	$crypttext = '';

	for ($i = 0; $i < $strLen; $i++) {
	$ordStr = ord(substr($value, $i, 1));
	if ($j == $keyLen) {
	$j = 0;
	}
	$ordKey = ord(substr($key, $j, 1));
	$j++;
	$crypttext .= strrev(base_convert(dechex($ordStr + $ordKey), 16, 36));
	}

	return $crypttext;
	}


	function decode($value) {
	if (!$value) {
	return false;
	}

	$key = sha1('EnCRypT10nK#Y!RiSRNn');
	$strLen = strlen($value);
	$keyLen = strlen($key);
	$j = 0;
	$decrypttext = '';

	for ($i = 0; $i < $strLen; $i += 2) {
	$ordStr = hexdec(base_convert(strrev(substr($value, $i, 2)), 36, 16));
	if ($j == $keyLen) {
	$j = 0;
	}
	$ordKey = ord(substr($key, $j, 1));
	$j++;
	$decrypttext .= chr($ordStr - $ordKey);
	}

	return $decrypttext;
	}
	?>