#php json decode

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Decoding Data in PHP: The Ultimate Guide to Reading File Stream Data to String in 2025 Reading file content into a string is one of the most common tasks in PHP development. Whether you're parsing configuration files like JSON or INI, processing uploaded documents, or consuming data from streams and APIs, being able to efficiently and correctly read file data into a string is essential. With PHP 8.x, developers have access to mature, robust file handling functions, but choosing the right one—and understanding how to handle character encoding, memory efficiency, and errors—is key to writing performant and reliable code. In this comprehensive guide, we’ll walk through the best ways to read file stream data into a string in PHP as of 2025, complete with modern practices, working code, and real-world insights. Why Read File Stream Data to String in PHP? There are many scenarios in PHP applications where you need to convert a file's contents into a string: Parsing Configuration Files: Formats like JSON, INI, and YAML are typically read as strings before being parsed into arrays or objects. Reading Text Documents: Applications often need to display or analyze user-uploaded documents. Processing Network Streams: APIs or socket streams may provide data that needs to be read and handled as strings. General File Processing: Logging, data import/export, and command-line tools often require reading file data as text. Methods for Reading and Converting File Stream Data to String in PHP 1. Using file_get_contents() This is the simplest and most widely used method to read an entire file into a string. ✅ How it works: It takes a filename (or URL) and returns the file content as a string. 📄 Code Example: phpCopyEdit 📌 Pros: Very concise. Ideal for small to medium-sized files. ⚠️ Cons: Loads the entire file into memory—can be problematic with large files. Error handling must be explicitly added (@ or try/catch via wrappers). 2. Using fread() with fopen() This method provides more control, allowing you to read file contents in chunks or all at once. 📄 Code Example: phpCopyEdit 📌 Pros: Greater control over how much data is read. Better for handling large files in chunks. ⚠️ Cons: Requires manual file handling. filesize() may not be reliable for network streams or special files. 3. Reading Line-by-Line Using fgets() Useful when you want to process large files without loading them entirely into memory. 📄 Code Example: phpCopyEdit 📌 Pros: Memory-efficient. Great for log processing or large data files. ⚠️ Cons: Slower than reading in one go. More code required to build the final string. 4. Using stream_get_contents() Works well with generic stream resources (e.g., file streams, network connections). 📄 Code Example: phpCopyEdit 📌 Pros: Works with open file or network streams. Less verbose than fread() in some contexts. ⚠️ Cons: Still reads entire file into memory. Not ideal for very large data sets. 5. Reading Binary Data as a String To read raw binary data, use binary mode 'rb' and understand the data's encoding. 📄 Code Example: phpCopyEdit 📌 Pros: Necessary for binary/text hybrids. Ensures data integrity with explicit encoding. ⚠️ Cons: You must know the original encoding. Risk of misinterpreting binary data as text. Handling Character Encoding in PHP Handling character encoding properly is crucial when working with file data, especially in multilingual or international applications. 🔧 Best Practices: Use UTF-8 wherever possible—it is the most compatible encoding. Check the encoding of files before reading using tools like file or mb_detect_encoding(). Use mb_convert_encoding() to convert encodings explicitly: phpCopyEdit$content = mb_convert_encoding($content, 'UTF-8', 'ISO-8859-1'); Set default encoding in php.ini:

iniCopyEditdefault_charset = "UTF-8" Be cautious when outputting string data to browsers or databases—set correct headers (Content-Type: text/html; charset=UTF-8). Error Handling in PHP File Operations Proper error handling ensures your application fails gracefully. ✅ Tips: Always check return values (fopen(), fread(), file_get_contents()). Use try...catch blocks if using stream wrappers that support exceptions. Log or report errors clearly for debugging. 📄 Basic Error Check Example: phpCopyEdit Best Practices for Reading File Stream Data to String in PHP ✅ Use file_get_contents() for small files and quick reads. ✅ Use fread()/fgets() for large files or when you need precise control. ✅ Close file handles with fclose() to free system resources. ✅ Check and convert character encoding as needed. ✅ Implement error handling using conditionals or exceptions. ✅ Avoid reading huge files all at once—use chunked or line-by-line methods. ✅ Use streams for remote sources (e.g., php://input, php://memory). Conclusion Reading file stream data into a string is a foundational PHP skill that underpins many applications—from file processing to configuration management and beyond. PHP 8.x offers a robust set of functions to handle this task with flexibility and precision. Whether you’re using file_get_contents() for quick reads, fgets() for memory-efficient processing, or stream_get_contents() for stream-based applications, the key is understanding the trade-offs and ensuring proper character encoding and error handling. Mastering these techniques will help you write cleaner, safer, and more efficient PHP code—an essential skill for every modern PHP developer. 📘 External Resources: PHP: file_get_contents() - Manual PHP: fread() - Manual PHP: stream_get_contents() - Manual

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What Exactly Are Yii2 Helpers Indicate?

Yii2's Helper classes play a pivotal role in simplifying routine coding tasks like string or array manipulation and HTML code generation. They are organized within the Yii helpers namespace as static classes, indicating that they should not be instantiated but rather accessed through static properties and methods.

In the Yii releases, several fundamental Helper classes prove indispensable for developers. Notable among them are:

ArrayHelper

Console

FileHelper

FormatConverter

Html

HtmlPurifier

Imagine (provided by yii2-imagine extension)

Inflector

Json

Markdown

StringHelper

Url

VarDumper

In this tutorial, we'll delve into a deep explanation of Yii2 Helper Libraries, showcasing their thematically targeted coding support modules. Here's a glimpse of some of the Helper classes included with Yii2:

ArrayHelper: Facilitates easier array handling with functions like safe value retrieval, mapping, and merging.

Console: Aids command-line functionality, input processing, and colorful text output.

FileHelper: Expands PHP's fundamental file management capabilities.

FormatConverter: Transforms a variety of formats, with a primary focus on dates.

Html: Dynamically generates commonly used HTML tags.

HtmlPurifier: Improves security by cleaning up user-input text.

Imagine (yii2-imagine plugin): Adds image manipulation capabilities to Imagine.

Inflector: Provides handy string methods for typical transformations.

Json: Encodes and decodes JSON data.

Markdown to HTML: Converts markdown content to HTML.

As a practical demonstration, we'll guide you through creating a helper in Meeting Planner, the focus of our Envato Tuts+ startup series.

In conclusion, our Yii experts, passionate about designing innovative and feature-rich web applications, including scalable enterprise web apps, are at your service. Consider hiring our virtual developers to handle your projects with expertise and creativity. 

If you're looking for a one-stop destination for Yii development services, look no further than XcelTec. As a leading provider in Yii2 Development USA, XcelTec offers a comprehensive range of services to meet your needs. Their expertise covers all aspects of Yii development, ensuring that you receive top-notch solutions tailored to your requirements.

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Php json decode unicode

PHP JSON DECODE UNICODE GENERATOR

PHP JSON DECODE UNICODE UPDATE

Specifies a bitmask (JSON_BIGINT_AS_STRING, Object will be converted into an associative array. Json_decode( string, assoc, depth, options) Parameter Values Parameter PHP Examples PHP Examples PHP Compiler PHP Quiz PHP Exercises PHP Certificate PHP - AJAX AJAX Intro AJAX PHP AJAX Database AJAX XML AJAX Live Search AJAX Poll PHP XML PHP XML Parsers PHP SimpleXML Parser PHP SimpleXML - Get PHP XML Expat PHP XML DOM

PHP JSON DECODE UNICODE UPDATE

MySQL Database MySQL Database MySQL Connect MySQL Create DB MySQL Create Table MySQL Insert Data MySQL Get Last ID MySQL Insert Multiple MySQL Prepared MySQL Select Data MySQL Where MySQL Order By MySQL Delete Data MySQL Update Data MySQL Limit Data PHP OOP PHP What is OOP PHP Classes/Objects PHP Constructor PHP Destructor PHP Access Modifiers PHP Inheritance PHP Constants PHP Abstract Classes PHP Interfaces PHP Traits PHP Static Methods PHP Static Properties PHP Namespaces PHP Iterables PHP Advanced PHP Date and Time PHP Include PHP File Handling PHP File Open/Read PHP File Create/Write PHP File Upload PHP Cookies PHP Sessions PHP Filters PHP Filters Advanced PHP Callback Functions PHP JSON PHP Exceptions PHP Forms PHP Form Handling PHP Form Validation PHP Form Required PHP Form URL/E-mail PHP Form Complete Store the expression in a $json2 variable and echo it.Superglobals $GLOBALS $_SERVER $_REQUEST $_POST $_GET PHP RegEx Use the decoded JSON object as the first parameter to the json_encode() function and the JSON_PRETTY_PRINT option as the second parameter. Then, use the json_decode() function on the variable $json1. Create a variable $json1 and store a raw JSON object in it. We will take the JSON object and decode it using the json_decode() function and then will encode it with the json_encode() function along with the JSON_PRETTY_PRINT option.įor example, set the Content-Type to application/json as we did in the method above. We will prettify a JSON object in the following example. We also use the header() function like in the second method to notify the browser about the JSON format. We can use the json_encode() function with the json_decode() function and the JSON_PRETTY_PRINT as the parameters to prettify the JSON string in PHP. Use the json_encode() and json_decode() Functions to Prettify the JSON String in PHP Header('Content-Type: application/json') Įcho json_encode($age, JSON_PRETTY_PRINT) As a result, we will get a prettified version of JSON data in each new line.Įxample Code: $age = array("Marcus"=>23, "Mason"=>19, "Jadon"=>20) In the next line, use the json_encode() function with the JSON_PRETTY_PRINT option on the array as we did in the first method. We can use the json_encode() function as in the first method.įor example, write the header() function and set the Content-Type to application/json. We will use the same associative array for the demonstration. We can use the JSON_PRETTY_PRINT option as in the first method to prettify the string. We can use the header() function to set the Content-Type to application/json to notify the browser type. Use the application/json and JSON_PRETTY_PRINT Options to Prettify the JSON String in PHP $json_pretty = json_encode($age, JSON_PRETTY_PRINT) Then, echo the variable enclosing it with the HTML tag.Įxample Code: $age = array("Marcus"=>23, "Mason"=>19, "Jadon"=>20) Next, use the json_encode() function on the $age variable and write the option JSON_PRETTY_PRINT as the second parameter and store the expression in $json_pretty variable. Write the keys Marcus, Mason, and Jadon and the values 23, 19, and 20.

PHP JSON DECODE UNICODE GENERATOR

QR Code Generator in PHP with Source Code 2021 | freeload | PHP Projects with Source Code 2021įor example, create an associative array in the variable $age. The tag preserves the line break after each key-value pair in the string. We will prettify an associative array in the example below. However, we can use the HTML tags to indent the strings to the new line. It will add some spaces between the characters and makes the string looks better. We can specify the string to be prettified and then the option in the json_encode() function. The json_encode() function has a option JSON_PRETTY_PRINT which prettifies the JSON string. We can encode indexed array, associative array, and objects to the JSON format. We can use the json_encode() function to convert a value to a JSON format. Use the HTML Tag and the JSON_PRETTY_PRINT Option to Prettify the JSON String in PHP This article will introduce different methods to prettify the raw JSON string in PHP.

Use the json_encode() and json_decode() Functions to Prettify the JSON String in PHP.

Use the application/json and JSON_PRETTY_PRINT Options to Prettify the JSON String in PHP.

Use the HTML Tag and the JSON_PRETTY_PRINT Option to Prettify the JSON String in PHP.

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Php json decode as object

#Php json decode as object how to#

Let’s take the first example, here we will convert the JSON string to PHP array using the json_decode() function. Reviver method object can be passed in JSON.parse() to return a modified object of JSON in case of custom logic requires to add and return the different.

options: It includes bitmask of JSON_OBJECT_AS_ARRAY, JSON_BIGINT_AS_STRING, JSON_THROW_ON_ERROR.

#Php json decode as object how to#

Let’s see how to do it in practice with a few examples. There exist specific built-in functions that allow encoding and decoding JSON data. The data structures of JSON are identical to PHP arrays. Follow the steps and you’ll manage to meet your goal easily. Chapter 2 JSON encoding Creating a JSON object with PHP is simple: You just need to use the jsonencode () function. In this snippet, you can find a step-by-step guide on how to create and parse JSON data with PHP. depth: It states the recursion depth specified by user. Decode a JSON object received by your PHP script.If it is true then objects returned will be converted into associative arrays. Normally, jsondecode() will return an object of stdClass if the top level item in the JSON object is a dictionary or an indexed array if the JSON object. It only works with UTF-8 encoded strings. json: It holds the JSON string which need to be decode.The syntax of JSON decode function is:- json_decode(string, assoc, depth=500, options) Parameters of json_decode() function PHP: json_decode() | How to decode json to array in PHPĭefination:- The PHP json_decode() function, which is used to decode or convert a JSON object to a PHP object. An optional Assoc boolean to instruct whether to bypass conversion to an object and to produce an associative array. The decode function has the following parameters. It basically accepts three parameters, but you will usually only need the first one, i.e. Now jsondecode() on the other hand, has a completely different goal, which is to only attempt to convert a JSON string to a PHP object or array. will decode the json string as array For some reason I’m able to extract the json string as array but when I try it to do it as object it breaks. Like, convert JSON string to array PHP, convert JSON string to multidimensional array PHP and JSON decode and access object value PHP. You can also turn your own data into a well-formatted JSON string in PHP with the help of the jsonencode () function. Be wary that associative arrays in PHP can be a 'list' or 'object' when converted to/from JSON, depending on the keys (of absence of them). When decoding that string with jsondecode, 10,000 arrays (objects) is created in memory and then the result is returned. In this tutorial, we will take examples using the json_decode() function. JSON can be decoded to PHP arrays by using the associative true option. Efficient, easy-to-use, and fast PHP JSON stream parser - GitHub - halaxa/json-machine: Efficient, easy-to-use, and fast PHP JSON stream parser. PHP JSON decode In this tutorial, we will discuss about php json_decode() function syntax, defination, parameters with examples.

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How to access json field in MySQL’s aggregate function ?

https://decodeweb.in/php/php-frameworks/laravel-framework/json_extract-and-laravel-eloquent-with-example/#How-to-access-json-field-in-MySQLs-aggregate-function

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PHP JSON Decode Example

PHP JSON decode. In this tutorial, we will discuss json_decode () function syntax, defination, parameters, and an examples.

In this tutorial, we will take examples using the json_decode () function. Like, convert JSON strings to PHP arrays, convert JSON strings to multidimensional PHP and JSON arrays decode and access object value PHP.

PHP JSON Decode Function

Definition: – The PHP json_decode ()…

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Json decode

#JSON DECODE HOW TO#

#JSON DECODE CODE#

#JSON DECODE FREE#

With the help of the Online JSON Parser Tool, we can easily format our minify JSON Data and easily find key and value pairs and identify changes quickly.

JSON Data mainly used when we need to transfer data with different platforms and it’s easy to synchronize and used in any system.

All Data are available in Key and value pair. Decode a JSON document from s (a str beginning with a JSON document) and return a 2-tuple of the.

Here, In the above sample JSON data Name, Country, and Age are known as key and Jone, USA, and 39 known as a Value.

In Treeview, You can Search and highlight, and Sorting Data.

jsondecode converts JSON data types to the MATLAB data types in this table.

Minify or Compact JSON Data to resave and reduct its Size. JSON supports fewer data types than MATLAB.

JSON Validator for your Online Changes and your other JSON Data.

Redo and Undo facility when you edit your JSON online.

#JSON DECODE HOW TO#

How to Parse Large JSON Data with Isolates in Dart 2.The JSON Parser Tools have Below the main functionality:.

#JSON DECODE CODE#

How to Parse JSON in Dart/Flutter with Code Generation using FreezedĪnd if you need to parse large JSON data, you should do so in a separate isolate for best performance.In such cases, code generation is a much better option and this article explains how to use it: If you have a lot of different model classes, or each class has a lot of properties, writing all the parsing code by hand becomes time-consuming and error-prone. Restaurant Ratings example - JSON Serialization code.While the example JSON we used as reference wasn't too complex, we still ended up with a considerable amount of code: consider using the deep_pick package to parse JSON in a type-safe way.for nested JSON data (lists of maps), apply the fromJson() and toJson() methods.add explicit casts, validation, and null checks inside fromJson() to make the parsing code more robust.create model classes with fromJson() and toJson() for all domain-specific JSON objects in your app.When null, JSON objects will be returned as. When true, JSON objects will be returned as associative array s when false, JSON objects will be returned as object s. PHP implements a superset of JSON as specified in the original RFC 7159. use jsonEncode() and jsonDecode() from 'dart:convert' to serialize JSON data This function only works with UTF-8 encoded strings.But if we want our apps to work correctly, it's very important that we do it right and pay attention to details: JSON serialization is a very mundane task. You can build anything with Appwrite! Click here to learn more. Appwrite is a secure, self-hosted solution that provides developers with a set of easy-to-use REST APIs to manage their core backend needs. Open-Source Backend Server for Flutter Developers. Help me keep it that way by checking out this sponsor:

#JSON DECODE FREE#

Serializing Nested ModelsĪs a last step, here's the toJson() method to convert a Restaurant (and all its reviews) back into a Map:Ĭode with Andrea is free for everyone. You need to write the parsing code that is most appropriate for your use case. This specific implementation makes some assumptions about what may or may not be null, what fallback values to use etc.

if the reviews are missing, we use an empty list ( ) as a fallback.

map() operator to convert each dynamic value to a Review object using omJson()

the values in the list could have any type, so we use List.

the reviews may be missing, hence we cast to a nullable List.

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What Exactly Are Yii2 Helpers Indicate?

In the series "Programming With Yii2," we walk readers through the Yii2 Framework for PHP. In this tutorial, we will provide a brief overview of helpers. Helpers are simple-to-extend modules in Yii that group together frequently used libraries for managing things like text, files, images, URLs, and HTML.

Additionally, we'll demonstrate how to create a helper in Meeting Planner, the topic of our Envato Tuts+ startup series.

Numerous Yii classes simplify common coding operations like manipulating strings or arrays, creating HTML code, and other similar activities. The Yii helpers namespace contains these static helper classes that are all organised (meaning they contain only static properties and methods and should not be instantiated).

In the Yii releases, you'll find the following fundamental helper classes:

ArrayHelper

Console

FileHelper

FormatConverter

Html

HtmlPurifier

Imagine (provided by yii2-imagine extension)

Inflector

Json

Markdown

StringHelper

Url

VarDumper

Let's move forward to the deep explanation of Helper Libraries for Yii2

Helpers are simply coding help modules with a specific theme. The helpers that come with Yii2 are listed here; this list is currently a little more recent than the documentation and menus:

With features like safely locating values online, mapping, merging, and more, ArrayHelper makes working with arrays simpler.

Input, output, and command-line functionality are all supported by the console.

The essential file management features of PHP are expanded by FileHelper.

Among the formats that FormatConverter translates, dates are currently its main focus.

Frequently used HTML tags are dynamically generated by HTML.

By removing user-input text, HtmlPurifier increases security.

Imagine now has the ability to manipulate images thanks to the yii2-imagine plugin.

Inflector offers practical string methods that are useful for common transformations.

A programme called JSON is used to encode and decode JSON data.

A conversion tool for markdown is called Markdown to HTML.

Conclusion

Our Yii professionals are exceptionally talented and passionate about creating cutting-edge and feature-rich web applications, including ascendable enterprise web apps, using this special framework. To handle your projects, hire virtual developers.

Visit to explore more on What Exactly Are Yii2 Helpers Indicate?

Get in touch with us for more! 

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JSON tutorial for beginners and professionals provides deep knowledge of JSON technology. Our JSON tutorial will help you to learn JSON fundamentals, example, syntax, array, object, encode, decode, file, date and date format. In this JSON tutorial, you will be able to learn JSON examples with other technologies such as Java, PHP, Python, Ruby, jQuery, AJAX, C#, Perl and Jackson. You will also learn how to convert json to xml, html, csv, php array and vice versa.Javatpoint is one of the best CSS training institute in Noida, Dehli, Gurugram, Ghaziabad and Faridabad. We have a team of experienced CSS developers and trainers from multinational companies to teach our campus student. . We focus on practical training sessions as well as theorerical classes

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2021 Full Version Download is the world's best cross-platform IDE (Integrated Development Environment) tool for web developers. It has a PHP, JavaScript and HTML code editor to decode and edit them. Plus, Phpstorm 2020 fully hacked provides developers and students with all sorts of tools to help them get going. This software is specially designed for web developers to edit PHP, CSS, XML, HTML and JavaScript files. Moreover, it helps to edit all kinds of source codes in any language. In addition, it is compatible with PHP 5.3, 5.4, 5.5-7.4, including coroutines and generators.

PhpStorm Crack full activation code download is in Java language but compatible with all kinds of languages. It has many built-in plugins to help users create other plugins to decode different languages. Plus, it has built-in code completion, bookmarks, breakpoints, and scaling options. In addition, it has macros, quick navigation, excellent code analysis, which greatly helps users in their work. It makes complex projects easier to do in a simple way. You can also rewrite different codes to the desired language. Besides, this tool is also compatible with any external source like X Debug.

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JSON is short form of JavaScript Object Notation, which is used to store data and since it is very lightweight hence majorly used for transporting data to and from a web server. In earlier days, XML was used for this very purpose but writing and reading XML data was very tedious while JSON on the other hand, is self describing.

In today’s topic I am going to show you how to store JSON data into MySQL and access those data using laravel eloquent query builders.

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Laravel VII: Abbreviated | Web Development - Yudiz Solutions Pvt. Ltd.

Overview:

Hello there. As we all know the Laracon Online 2020, the largest online Laravel conference, took place on 26 February 2020. Our developer happened to attend a Laracon Online Viewing Party and according to his experience we are going to share with you the highlights. We’re going to focus on Laravel 7 here. Yes, it’s here and stick till the end to know all about it.

So as most of you might know Taylor Otwell was one of the speakers at the event. He gave us a complete walkthrough for Laravel VII and we are going to cover most of it here.

What is Laravel Airlock?

Airlock is a lightweight Token Generation and verification tool (Provides Authentication) mostly for SPAs (Single Page Applications), where users can generate multiple API tokens and like passport, we can set the roles for particular auth token.

AirLock will work with Laravel 6.x, but everyone recommends using it with Laravel 7.x and you also need to use Laravel UI 2.x for UI files.

We can set allowed domain in config file, so if a request comes from that particular server then and only then that request gets served. So we can say airlock is a similar kind of structure like a passport but it’s for SPA.

For better understanding,we can compare AirLock mechanism with Node/Angular project where frontend API will use AuthToken. Authtoken is similar kind of personal access token which we are used in the passport for mobile authentication

Key features of AirLock:

EncryptCookies

AddQueuedCookiesToResponse

StartSession

 VerifyCsrfToken

Laravel Custom Casts:

In Laravel VII, we can create our own casting for an eloquent model, there are two methods, “get()” and “set()”

“get()” method is used to convert raw data into casted data.

“set()” method is used to convert casted data into raw data value.

For example, if we need to decode data when we receive it and encode data when we save details, we can use these methods like this:

Syntax for “get()” method:

   public function get($model, $key, $value, $attributes) {

            return json_decode($value, true);

   }

Syntax for “set()” method:

   public function set($model, $key, $value, $attributes) {

            return json_encode($value, true);

   }

For eloquent we need to define detail as:

protected $casts = [

           'column_name' => Json::class,

           ];

So now every time we fetch data of a column, we get JSON decoded data and when the data is saved to the column it will get encoded.

HTTP Client:

HTTP Client is used for making an HTTP request from one website to another website or web application. For HTTP client you have to install guzzlehttp/guzzle package into your project. We can make any request along with header through the HTTP Client, also we get the details of response and other params directly, like if we want the main body of the response, then just write down $response->body() this will return the body. If we need to check the status of the response then just need to call $response->status().

Likewise, we can use the following details:

$response->body();

$response->json();

$response->status();

$response->ok();

$response->successful();

$response->serverError();

$response->clientError();

$response->header($header);

$response->headers();

And for the routes we have to write details like:

$response = Http::withHeaders([

           'accept' => 'application/json',

])->post('http://domain.com/users/list', [

           'name' => 'User',

]);

So now onwards we can fire the API from the web routes along with the Headers. We can also pass the Bearer Token by just adding:

$response = Http::withToken('token')->post('http://www.domain.com', ['name' => 'User']);

Fluent String Operations:

We can all agree how useful string operations are as they help us manipulate strings easily and without much hassle. Thanks to Laravel VII, some new and useful string operations were added in this version. String operations such as trim(), replace(‘x’, ‘y’), after(), before(), words() and many more now will be available in Laravel VII.

CORS Support:

Laravel VII also came with the fresh first-party package “CORS” along with options, so now no need to create custom middleware for the same, just configure the config files and use CORS services.

Stub Customization:

This is one of the best updates of Laravel. This will help us to boost up the speed of development. For example, whenever we create a new Model, we will write protected $guarded = [*] in all the models, it becomes a bit time consuming if you see it on a larger picture. So now, we can create our own stub for these kinds of changes, So, if we added protected $guarded = [*] into stub then whenever we create a new model, this line will be added automatically. For example, in all tables we need one default column $table->string(‘custom_id’), in all the migrates, so we will publish the stub and customize it.

Route Model Binding:

This is one of the most interesting features of Laravel 7. In the older version, we can bind any model to route, for example:

Route::get('user/{user}', function(User $user) {

   dd($user);

});

// domain.com/user/1

Here we’ll get the user’s personal details like we applied dependency injection of the User model. In Laravel 7, there is support for Implicit Model Binding, such as if I want to get the user’s details based on the user’s name then I’ll get details by adding simple “:” after model’s name.

Route::get('user/{user:username}', function(User $user){

           return $user;

});

// domain.com/user/kmjadeja

We can also add custom keys and scoping for the Route Model Binding, it’s a very useful thing which can help us to generate SEO friendly URLs.

Custom Keys and Scope:

Sometimes, we need to bind multiple models to the single route and second binding param is dependent on the first building param like we need to get product details that are available under one specific category.

For example, we get all the lists of all the mobile devices which are available under the android category, So now we can do this with simple Route Model Binding

Route::get('category/{category:type}/device/{device:type}',

function (Category $category, Device $device) {

return $device;

});

// domain.com/category/mobile/device/android

 One more simple example:

Route::get('user/{user}/posts/{post:slug}',

function (User $user, Post $post) {

return $post;

});

// domain.com/user/1/posts/upcoming-events

Laravel Query Cast:

·         Query cast is used to “cast” a column while executing the query.

·         Let’s take an example : In the database we save user’s ID, System IP, create_at and updated_at details when user LoggedIn to the system. Now we want to know the last login date of particular user in that case my code will be:

$users = User::select([

   'users.*',

   'last_logged_in_at' => UserLog::selectRaw('MAX(created_at)')

           ->whereColumn('user_id', 'users.id')

])->where('id', 1)->withCasts([

   'last_logged_in_at' => 'date'

])->get();

So here we get the user’s last loggedIn details in “data”, not in the timestamp, we cast the user’s create_at column to date.

Improve email template design:

In Laravel 7 they have simply improved the email template, made the email template simpler and finer.

Queue Configuration:

Currently, if any queue or job is throwing an exception, each time the job will get executed and throw the exception. In Laravel 7, we can set maxExceptions for jobs. If we set the value equal to 3, in that case, if the job gets the exception more than 3 times, the queue stops automatically. #noExtraExecution

Speed improvements for route-cache:

Laravel 7 have 2x speed improvement for routes, it is mostly used with 800+ routes (big projects), php artisan route:cache is used to cache the routes.

Conclusion:

So that’s all for this blog but that’s not all for Laravel 7 and our discussion on it. Stick with us for the next blog regarding some of the features along with their demo codes. Till then, get started with the master document. You can read the master document here.

Hope, you have liked & enjoyed this blog. If you like this blog then follow us for more such interesting articles on the latest technologies.

[noahkessler6841]

Natas: Level 11

This level once again focuses on cookies, and it took me a good while to figure out. The main page allows the user to input a colour, which will the change the background of the page to said colour when submitted.

Digging into the provided sourcecode, we see that an array of key value pairs is json encoded, xor encrypted and then base64 encoded, before being stored as a cookie called ‘data�� on the users computer.

The most difficult part of this level was understanding the properties of xor encryption. Thankfully Richard touched on it a bit in one of the online lectures for the course that I’d watched. I also managed to find some more information about it on this site: https://www.hackthis.co.uk/articles/the-xor-cipher. So in order to solve this level, we need to make use of the property that when something is xor’d twice, it will be deciphered.

My main goal is to find the censored ‘$key’ variable used in the xor_encrypt function. Since we know that the xor of the json encoded data (e.g. $defaultdata) and $key is equal to the ‘data’ cookie base64 decoded, we can use this information the derive the $key.

Making use of the xor_encrypt function provided in the code and with a bit of trial and error, I used an online php evlauator to get this result:

So from this we can derive that the $key is “qw8J”. Now we can create our own cookie, setting ‘showpassword’ to ‘yes’. 

Changing the data cookie and refreshing the page gets us the password to the next level.

I really felt like this level was quite challenging at first. However, after spending more time understanding the code and xor encyption, the solution kinda clicked in my head.

[a-simran-blog1]

This is an online learning platform that can be used as a way to improve or learn job skills. There are plenty of free programming courses such as Android, PHP, CodeIgniter, WordPress, Drupal, CakePHP, Magento, JavaScript. We are providing tools i.e., Run PHP code Online, Parse JSON Online, String Manipulation, MD5 Encryption, Random String, Remove Special Charecters, URL Encode Decode.