PHP

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What is the difference between sort(), asort(), and ksort()?

August 20, 2025

🔹 sort() Output: ➡ Keys (d, a, c) are lost. 🔹 asort() Output: ➡ Keys are preserved. 🔹 ksort() Output:...

Difference between array_merge() and array_combine().

August 20, 2025

🔹 array_merge() Example: Output: With duplicate string keys: Output: ✅ Use array_merge() when you want to combine values of multiple...

Understanding Arrays in PHP: A Complete Guide

August 20, 2025

When working with PHP, one of the most essential concepts you’ll encounter is arrays. Arrays allow you to store multiple...

Explain type juggling in PHP.

August 20, 2025

Type juggling in PHP means automatic type conversion that happens when you use variables in different contexts.Since PHP is a...

What is the difference between single quotes (‘ ‘) and double quotes (” “)?

August 20, 2025

1. PHP ✅ In PHP: Use single quotes when no variables or escape sequences are needed (faster & cleaner). Use...

PHP Magic Constants: A Complete Guide

August 20, 2025

When working with PHP, you may come across special constants that start and end with double underscores (__). These are...

What is the difference between GET and POST methods?

August 15, 2025

Here’s a clear and detailed explanation of the difference between GET and POST methods in HTTP: Feature GET POST Purpose...

What are superglobals in PHP? List some examples.

August 15, 2025

In PHP, superglobals are built-in variables that are always accessible, regardless of scope—meaning you can access them inside functions, classes,...

Explain the difference between unset() and null and unlike()

August 15, 2025

You asked about unset(), null, and unlink() in PHP. Let’s go careful step by step because they are often confused....

How does PHP handle sessions and cookies?

August 15, 2025

PHP handles sessions and cookies to manage state in web applications, but they work differently. Let’s break it down carefully:...

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