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Found 53 results for "PHP"

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PHP Sessions: State, Login Rotation, Flash Data, and Security

Start PHP sessions, read and change state, regenerate IDs after authentication, implement logout and flash data, and configure secure session cookies.

https://www.tutorialslogic.com/php/sessions

PHP Strings: Interpolation, Formatting, Unicode, and Safe Output

Work with PHP single and double quoted strings, interpolation, concatenation, sprintf(), heredoc, multibyte text, and HTML output escaping.

https://www.tutorialslogic.com/php/strings

PHP Superglobals: Request, Server, Session, and File Data

Understand PHP superglobals, read request values safely, inspect server context, and avoid trusting GET, POST, COOKIE, SESSION, or uploaded-file data.

https://www.tutorialslogic.com/php/superglobals

PHP Testing and Debugging: Reproduce, Assert, and Diagnose

Debug PHP with linting, focused inspection, logs, and stack traces; write PHPUnit tests with arrangements, actions, assertions, and failure cases.

https://www.tutorialslogic.com/php/testing-and-debugging

Learn PHP concepts, run code quickly, and move into interview prep without bouncing between unrelated pages.

https://www.tutorialslogic.com/topics/php

PHP Tutorial: Modern PHP 8 from Fundamentals to Secure Applications

Learn PHP through runnable examples, accurate output, debugging guidance, secure web patterns, PDO, Composer, testing, and practical exercises.

https://www.tutorialslogic.com/php

PHP Type Declarations and strict_types

Declare PHP parameter, return, property, nullable, and union types; understand coercive calls, strict_types, TypeError, and caller-file behavior.

https://www.tutorialslogic.com/php/type-declarations

PHP include and require: Reliable Paths and File Boundaries

Reuse PHP files with include, require, include_once, and require_once; build reliable paths with __DIR__; and avoid hidden scope and duplicate-loading bugs.

https://www.tutorialslogic.com/php/include-and-require

PHP Constants: const, define(), Scope, and Magic Constants

Define values that should not change, choose between const and define(), understand scope, and use magic constants for reliable paths and diagnostics.

https://www.tutorialslogic.com/php/constants

PHP Date and Time: DateTimeImmutable, Time Zones, and Parsing

Use DateTimeImmutable with explicit time zones, format dates, perform calendar arithmetic, parse known formats, and detect invalid date input.

https://www.tutorialslogic.com/php/date-and-time

PHP JSON and APIs: Decode, Validate, Encode, and Respond

Read JSON request bodies, decode with exceptions, validate the resulting data, encode responses, set content types, and choose useful HTTP status codes.

https://www.tutorialslogic.com/php/json-and-apis

PHP MySQL CRUD with PDO, Transactions, and Validation

Create, read, update, and delete MySQL records with PDO prepared statements, validation, row-count checks, and transactions.

https://www.tutorialslogic.com/php/mysql-crud

AJAX PHP Backend Integration

A PHP AJAX endpoint should validate method and content type, parse input once, enforce authentication and authorization, call a focused service, and return one JSON response with.

https://www.tutorialslogic.com/ajax/ajax-with-php

Composer and PSR-4 Autoloading for PHP Projects

Create composer.json, install dependencies, configure PSR-4 and test autoloading, require vendor/autoload.php, and use install versus update correctly.

https://www.tutorialslogic.com/php/composer-autoloading

Deploy PHP to Production: Configuration, OPcache, Migrations, Health Checks, and Rollback

Prepare and deploy a PHP release with production-safe settings, immutable dependencies, OPcache coordination, backward-compatible migrations, health checks, and rollback evidence.

https://www.tutorialslogic.com/php/production-deployment

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