php encode/decode with key

php encode/decode with key

Base64 encode your data without hassles or decode it into a human-readable format. data. PHP 7.2: Added JSON_INVALID_UTF8_IGNORE, and JSON_INVALID_UTF8_SUBSTITUTE options PHP 7.1: Added JSON_UNESCAPED_LINE_TERMINATORS option PHP 5.6: Added JSON_PRESERVE_ZERO_FRACTION option PHP 5.5: Added depth parameter PHP 5.5: Added JSON_PARTIAL_OUTPUT_ON_ERROR option PHP 5.5: Changed return value on failure from null to … At least Internet Explorer refuses cookie names containing '=' characters or urlencoded cookie names containing %xx character replacements. I edited and re-edited and finally came up with this: Code: Select all. You can encode multiple parameters at once using urllib.parse.urlencode() function. These functions are json_encode () and json_decode (), respectively. Read this JavaScript tutorial and learn useful information about the two widely used methods that are used for encoding objects to query strings easily. Human Language and Character Encoding Support, http://pure-essence.net/stuff/code/utf8RawUrlDecode.phps, http://sk2.php.net/manual/en/function.utf8-encode.php#49336, http://www.comweb.nl/keys_to_georgian.html, http://www.comweb.nl/keys_to_georgian.php, http://tcl.apache.org/sources/tcl/tools/encoding/gb2312.txt, ftp://ftp.unicode.org/Public/MAPPINGS/OBSOLETE/EASTASIA/GB/GB2312.TXT, http://www.unicode.org/versions/Unicode4.0.0/ch03.pdf, http://www.unicode.org/versions/Unicode4.0.0/ch03.pdf#G31703, http://www.unicode.org/faq/utf_bom.html#1, xml_​set_​processing_​instruction_​handler, xml_​set_​start_​namespace_​decl_​handler, xml_​set_​unparsed_​entity_​decl_​handler. One of the most common special characters is a white space. The json_encode and json_decode PHP functions are used to perform the encode and decode operations respectively. // Format the image SRC:  data:{mime};base64,{data}; If you encode text that contains symbols like < > and want to send it in GET query, be sure to urlencode the result of base64_encode, as it sometimes adds a  + (and it's a special symbol) at the end: I am finding a length restriction with base64_encode (or possibly with echo) in PHP 4.3.9. Here's some code that addresses the issue that Steven describes in the previous comment; /* This structure encodes the difference between ISO-8859-1 and Windows-1252, /* SINGLE LEFT-POINTING ANGLE QUOTATION */, /* SINGLE RIGHT-POINTING ANGLE QUOTATION*/, /* LATIN CAPITAL LETTER Y WITH DIAERESIS*/. Useful for creating random images. Definition and Usage. For reference, it may be insightful to point out that: If you are looking for a function to replace special characters with the hex-utf-8 value (e.g. In this tutorial, you will learn how you can generate and parse JSON data in various ways using PHP. $data = str_replace(array('+','/','='),array('-','_',),$data); // MIME::Base64::URLSafe implementation, shortest base64url_decode (correct version), Wikipedia has a list of 8 or so variations on the last 2 characters in Base64  (. bolt_decrypt( encrypted_code, encryption_key) will decrypt the encrypted PHP code & executes it. This is a convenience function which takes a dictionary of key value pairs or a sequence of two-element tuples and uses the quote_plus() function to encode every value. It is used to specify the string encoding. Just a minor tweak of massimo's functions. Thanks to @sjones608! php encode and decode or encryption and decryption methods? These need to be translated into a number, #Then replace all non-url safe characters, This function supports "base64url" as described in Section 5 of RFC 4648, "Base 64 Encoding with URL and Filename Safe Alphabet", Note that base64_decode works fine without the padding. and web browsers will interpret ISO-8859-1 web pages as For my case, It work properly. additional printable characters, such as the Euro sign function base64url_encode( $data ) {. $_SESSION [$key] = base64_encode ($value); $this->$enc_val.=$key = base64_encode ($value). And what you see in the last line is the encrypted PHP code. Encryption supported. ”), instead of certain ISO-8859-1 If the function doesn't exist, this is a messy but effective way of doing it: I've used base64_encode and base64_decode for file attachment both in MySQL (using a BLOB field) and MSSQL (using a TEXT field). JSON data is created by nested key-value pairs where the value can be a number, string, Boolean, null, object or array. For worldwide interoperability, URIs have to be encoded uniformly. on the XML extension for this function to be available. You might want to wrap a function around this to make sure you aren't saving a bunch of ???? Example. Encrypt string → ← Decrypt string. For MSSQL remember to set in PHP.INI file both mssql.textsize and mssql.textlimit to 2147483647. PHP-JWT. Below programs illustrate the base64_encode() function in PHP: In a previous tutorial, we have seen how to encode-decode JSON using PHP. für Webservice-Security/WSS4J compliancy) you might use this: Avoiding use of preg_match to detect if utf8_encode is needed: I recommend using this alternative for every language: I was searching for a function similar to Javascript's unescape(). There are many ways to encode and decode PHP . Here are corrected functions: An even faster way to line-breaks every 64th character is using the chunk_split function: // Read image path, convert to base64 encoding. PGP keys for the signatures are available from the OMC page. These are json_encode () and json_decode (). Create a pseudorandom string of characters. This function may be useful do encode array keys and values [and checks first to see if it's already in UTF format]: If you need a function which converts a string array into a utf8 encoded string array then this function might be useful for you: I tried a lot of things, but this seems to be the final fail save method to convert any string to proper UTF-8. return base64_decode( strtr( $data, '-_', '+/') . // Call makeCksum once upon landing on the homepage. This function I use convert Thai font (iso-8859-11) to UTF-8. transport layers that are not 8-bit clean, such as mail bodies. Download PHP JSON Encode Decode Source Code I have another solution that is simple and elegant. PHP HMAC SHA256. foreach ($set_ses as $key=>$value) {. encoding & decoding; hash generation; encryption & decryption; generators; supported encryptions: encrypt & decrypt online. function if Windows-1252 conversion is required. // modified base64 for Regular Expressions: You can use base64_encode to transfer image file into string text and then display them. Two built-in functions are used in PHP to encode and decode JSON data. // Reads a file story.txt ascii (as typed on keyboard). will be returned. You can't type a space in a URL directly. ISO-8859-1 encoding to UTF-8. Base64 Decode Base64 Encode JSON Minify JSON Beautify JS Minify JS Beautify CSS Minify CSS Beautify Partner sites Number System Converter TV Show and Movie Ratings Secure Group Chat About Meet URL Decode and Encode, a simple online tool that does exactly what it says: decodes from URL-encoding as well as encodes into it quickly and easily. The following function will take care of this problem: Note that at least some Windows systems will not print a line of characters longer than a certain length unless it has line breaks of some kind. Installation. Please join as a single line, no spaces, before use. Note that some applications, such as OpenSSL's enc command, require that there be a line break every 64 characters in order for their base64 decode function to work. Windows-1252 features (€) and curly quotes (“ into your database. Encoding JSON Data in PHP. … Both functions only works with UTF-8 encoded string data. Base58 Decode To Text - Diaper Connect. So if you base-64 encode a file, print it back for debugging purposes, and see nothing, don't be alarmed. If you want to decode base64 encoded data in Javascript, you can use the tool (Webtoolkit.base64) on this website: Human Language and Character Encoding Support, http://php.net/manual/en/function.base64-encode.php#103849, http://www.w3.org/Addressing/URL/5_URI_BNF.html. They are converted into %uXXXX entities that url_decode() cannot handle. Otherwise, json_decode() will return NULL. The encoding is affected by supplied options, and additionally, the encoding of float values depends on the value of serialize_precision. * * @param array|object $item */ public function push ($item): void { // We don't need to separate from the previous item if there are none. Encryption in encoding technique in which message is encoded by using encryption algorithm in such a way that only authorized personnel can access the message or information. Use the online tool from above to either encode or decode a string of text. See #60 for details. encode-decode.com. The json_encode() function can return a JSON encoded string on success or false on failure. Base64 string from DB to HTML gets corrupted. https://yhcf.ayotechnology.de/mysql-base64-decode-online.html. Don't forget true as second json_decode parameter (to return assoc array, not stdClass).. For instances: not ready yet, only manual. Encryption with Vigenere uses a key made of letters (and an alphabet). Base64 Decode; Base64 Encode; Base64 Decode File; Base64 Encode File; Just paste your text in the form below, press UTF16 Encode button, and you get https://dressyourdollinstyle.com/eczz815/fdmd.php?cwk=base64-byte-counter While passing associative array or object with key and value pair for json_decode(), the key value should be enclosed in double quotes. The line containing PHP_BOLT_KEY constant contains the key used for encrypting PHP program. A simple library to encode and decode JSON Web Tokens (JWT) in PHP, conforming to RFC 7519. aes-128-cbc-hmac-sha1. See #62 for details. URL Encode and Decode Tool. Use a different JSON data structures are very similar to PHP arrays. Re the previous post about converting GB2312 code to Unicode code which displayed the following function: The following function will utf-8 encode unicode entities &#nnn(nn); with n={0..9}. There are several ways to achieve the ciphering manually : Vigenere Ciphering by adding letters. Both functions only works with UTF-8 encoded string data. ): I often need to convert multi language text sent to me for use in websites and other apps into UTF8 encoded so I can insert it into source code and databases. foreach($var as $key => $value){ if($deep){ $var[$key] = anything_to_utf8($value,$deep); }elseif(!is_array($value) && !is_object($value) && !mb_detect_encoding($value,'utf-8',true)){ $var[$key] = utf8_encode($var); } } return $var; }elseif(is_object($var)){ foreach($var as $key => $value){ if($deep) Cleaner documentation blocks in the code. Base64 encoding schemes are commonly used when there is a need to encode binary data, especially when that data needs to be stored and transferred over media that are designed to deal with text. In most cases it is OK to use url_decode() function but not if you've got UTF characters in the strings. utf8_encode — Encodes an ISO-8859-1 string to UTF-8. In fact, applying this function to text that is not encoded in ISO-8859-1 will most likely simply garble that text. Walk through nested arrays/objects and utf8 encode all strings. PHP custom encode decode functions. Unfortunately my "function" for encoding base64 on-the-fly from 2007 [which has been removed from the manual in favor of this post] had 2 errors! This function will not convert such This encoding is designed to make binary data survive transport through Use the function below to turn base64 encoded strings to bare alphabets (get rid of / and + characters as well). encrypt or decrypt any string with just one mouse click. I omitted the strtr functions in my examples. These functions are json_encode() and json_decode(), respectively. '
'; } } function decode ($get_ses) { $dec_ses = $_SESSION [$get_ses]; $this->$dec_val= base64_decode ($dec_ses); } The following code block shows the syntax of the json_decode function. A more appropriate name for it would be "iso88591_to_utf8". json_decode ( string $json [, bool $assoc = FALSE [, int $depth = 512 [, int $options = 0 ]]] ) : mixed $assoc parameter (False by default) is used to specify whether you need the function to return an Associative array or a standard class Object. Please try to use this function if you have a problem to convert charset iso-8859-11 to UTF-8. If your text is already in UTF-8, you do not need this function. Return value: This function returns the encoded string in base64 on success or returns False in case of failure. The users should not be able to increment the id in the URL and see the next data record in the database table. Windows-1252. The resulting string is a series of key=value pairs separated by & character. For anyone interested in the 'base64url' variant encoding, you can use this pair of functions: In PHP 7, the padding issue with base64_decode() is no more - the following is totally fine: A function I'm using to return local images as base64 encrypted code, i.e. if ($this->key !== 0) { fwrite($this->resource, ','); } fwrite($this->resource, json_encode($item)); $this->key++; } /** * In case we have some loose ends, close the collection. Unicode is a universal standard, and has been developed to describe all possible characters of all languages plus a lot of symbols with one unique number for each character/symbol. base64_encode — Encodes data with MIME base64. GitHub Gist: instantly share code, notes, and snippets. If you haven't guessed already: If the UTF-8 character has no representation in the ISO-8859-1 codepage, a ? There are certain rules to how the URL … I needed a simple way to obfuscate auto_increment primary keys in databases when they are visible to users in URIs or API calls. str_repeat('=', 3 - ( 3 + strlen( $data )) % 4 )); } for ( $i = 0, $s = ''; $i < 24; ++$i, $s .= substr("$i", -1 )) {. PHP ships out of the box with some great native functions for working with JSON (JavaScript Object Notation), specifically json_encode() and json_decode(). The json_encode() function can return a string containing the JSON representation of supplied value. PHP has built in methods for hash_hmac (PHP 5) and base64_encode (PHP 4, PHP 5) resulting in no outside dependencies. This function accepts JSON string input as its first parameter. Base64 Encode. Then, each time you want to obfuscate your key, append a random substring from the pseudorandom string and use base64 encoding. When you want to de-obfuscate, convert back from base64. Require a non-empty key to decode and verify a JWT. That’s it! Base64 Encode and Decode with Key. It is a special type of encoding that is used for transferring private data, for example sending a combination of username and password over the internet for email login. In order to cipher a text, take the first letter of the message and the first letter of the key, add their value (letters have a value depending on their rank in the alphabet, starting with 0). Otherwise, strip the prefix and recover your original key. Example 1 GitHub Gist: instantly share code, notes, and snippets. This function converts the string string from the encoding actually use the similar Windows-1252 encoding, aes-128-cbc. The following Perl regular expression tests if a string is well-formed Unicode UTF-8 (Broken up after each | since long lines are not permitted here. Convert text into a base64 encoded string using this free online base64 encoder utility. // Generate a random pseudo bytes token if openssl_random_pseudo_bytes is available, // Otherwise, fall back to a hashed uniqid, If you use base64encoded strings as cookie names, make sure you remove '=' characters. Can someone help me finding some good encode and decode / encryption and decryption methods for strings in php which doesn't put special characters in the result string when encoded. Notice that the empty space in John Doe is replaced with John+Doe?Also, the @ in the email is replaced with john%40doe.com?Yes, that is exactly what URL encoding is all about. Please note that utf8_encode only converts a string encoded in ISO-8859-1 to UTF-8. Many web pages marked as using the ISO-8859-1 character The utf8_encode() function encodes an ISO-8859-1 string to UTF-8. If your text is not encoded in  ISO-8859-1, you do not need this function. Unlike instance_serialize(), for now, there is no similar method for JSON and back yet.. As a workaround, you can use a temporary array: control characters. Say what you want about PHP but they have the cleanest code for this example. Online tool for base64 encoding a string. This function has been moved to the core of PHP, and therefore lifting the requirement embedding the image source into the html request. function encrypt($string, $key){ $result = ""; for($i=0; $i

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