Tag: PHP

Table of Contents What is Debugging? Why Debugging is Important in PHP Common Debugging Techniques Using var_dump() Using print_r() Using echo and exit Using debug_backtrace() Debugging Tools and Extensions Xdebug Debugging with IDEs (PHPStorm,...

Table of Contents Introduction to Include and Require Syntax of include Syntax of require Key Differences Between include and require Using include_once and require_once Best Practices for Using Include and...

Table of Contents Introduction to Error Handling Types of Errors in PHP Syntax Errors Runtime Errors Logic Errors Error Reporting in PHP error_reporting() ini_set() Displaying Errors Handling Errors with try-catch Block Syntax of try-catch Throwing Exceptions Custom...

Table of Contents Introduction to File Handling in PHP File System Functions Opening Files Reading Files Writing Files Closing Files File Permissions Uploading Files File Handling Functions: fopen(), fread(), fwrite(), fclose() Working with Directories Error...

Table of Contents Introduction to Forms in PHP Basics of HTML Forms Handling Form Data in PHP $_GET vs $_POST Validating User Input Sanitizing User Input Handling Multiple Form Elements Handling File...

Table of Contents Introduction to Superglobals What Are Superglobals? Overview of Common Superglobals $_GET $_POST $_REQUEST $_SERVER Working with $_GET Working with $_POST Using $_REQUEST to Access Data Accessing Information with $_SERVER Practical Use Cases for...

Table of Contents Introduction to Arrays in PHP Why Use Arrays? Indexed Arrays Associative Arrays Multidimensional Arrays Array Functions in PHP Traversing Arrays in PHP Modifying Arrays Best Practices for Using Arrays Common Mistakes...

Table of Contents Introduction to Functions Why Use Functions? Defining a Function in PHP Function Parameters and Return Values Default Parameters Variable Scope in Functions Anonymous Functions (Lambda Functions) Returning Multiple Values...

Table of Contents Introduction to Loops Understanding the for Loop The while Loop The do-while Loop The foreach Loop Differences Between the Loops Best Practices for Using Loops Conclusion Introduction to Loops In programming,...

Table of Contents Introduction to Conditional Logic Importance of Conditional Statements if Statement in PHP if...else Statement if...elseif...else Ladder Nested if Statements switch Statement in PHP match Expression (PHP 8+) Best Practices for...

Table of Contents Introduction to PHP Operators Types of PHP Operators Arithmetic Operators Assignment Operators Comparison Operators Increment/Decrement Operators Logical Operators String Operators Array Operators Spaceship and Null Coalescing Operators (PHP 7+) Operator Precedence in...

Table of Contents What are Variables in PHP? Rules for Naming PHP Variables Variable Declaration and Assignment PHP Data Types Explained String Integer Float (Double) Boolean Array Object NULL Resource Type Juggling and Type Casting in PHP What...