Found 38 Questions For PHP

PHP क्या है (What is PHP in Hindi)? पुरी जानकारी in Hindi

Updated on 10-Mar-2023 0:29:02
PHP क्या है ? PHP (Hypertext Preprocessor) एक open-source server-side scripting language है। ये वेब डेवलपमेंट के लिए काफी पॉपुलर है और डायनामिक वेब पेज, वेब एप्लिकेशन और वेब सर्विसेज बनाने में काम आता है।PHP के बनने वाले रासमस लेर्डोर्फ ने भ... Read Mores

How to Check the URL Contains Certain String or Not Using PHP

Updated on 07-Mar-2023 17:42:28
Hey Friends, In this tutorial given a URL and the task is to check the URL contains certain string or not. The URL are basically the strings. So in order to check the existence of certain strings, two approaches can be followed. The first approach is used to find the sub string matching in a string and second approach is to find a regular expression match. PHP contains functions for these two approach.Method 1:strpos() Function: The strpos() function is used to find the first occurrence of a sub... Read Mores

How to Prevent SQL Injection in PHP using PDO Prepared Statements

Updated on 04-Mar-2023 12:54:43
Hello Friends, In this tutorial we will learn how to prevent SQL injection in PHP using PDO prepared statements. Here's an example code snippet to demonstrate how to do so:Step 1: Create a PDO connectionFirst, you need to establish a connection to your database using PDO. Here's an example:<?php$servername = "localhost";$username = "username";$password = "password";$dbname = "myDB";try {  $conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);  // set the PDO... Read Mores

How to Prevent SQL Injection step by step in PHP?

Updated on 04-Mar-2023 12:54:53
SQL injection is a common type of web application vulnerability that allows an attacker to execute malicious SQL statements through user input fields. To prevent SQL injection in PHP, you can follow the steps below:Sure, here is a step by step guide with code examples:Step 1: Use Prepared StatementsPrepared statements are a way to execute SQL statements with parameters, which are later bound to user input. Prepared statements can prevent SQL injection attacks by automatically escaping special ch... Read Mores

How to Implementing User Verification Badge System using PHP

Updated on 01-Mar-2023 22:59:14
Hello Friends, In this tutorial we will learn how to Implementing a user verification badge system using PHP involves several steps. Here's an overview of the process:Define the requirements: Before implementing the system, you need to define what a verified user means in your context. For example, you may require users to provide a government-issued ID or link their social media accounts to their profile.Create a database table: Create a database table to store the user information, including t... Read Mores

Write Steps to create a functional and secure API using PHP

Updated on 10-Jul-2023 10:28:37
To create an API using PHP, you can follow the steps below: Determine the endpoints: First, you need to determine the endpoints for your API. An endpoint is a URL that clients can use to access specific data or functionality. Set up a PHP environment: You need to have PHP installed on your server. You can download and install PHP from the official website. Choose a framework: You can choose a PHP framework such as Laravel, Symfony, or CodeIgniter to help you build your API. These frame... Read Mores

How to Pass JSON Data in a URL using CURL in PHP ?

Updated on 03-Feb-2023 18:37:13
In this tutorial, we will see how to pass the JSON Data in a URL using CURL in PHP, along with understanding the different ways for passing the data in a URL through the illustrations. The cURL stands for client URL, which allows us to connect with other URLs & use their responses in our code, i.e., it is a tool for sending and getting files using URL syntax. The cURL facilitates the way that can hit a URL from our code to get an HTML response from it. The cURL is also used in command lines ... Read Mores

How to Get Current Page URL using PHP ?

Updated on 06-Feb-2023 17:22:22
In this tutorial, we will see how to get the complete URL of currently running pages using PHP, along with understanding their implementation through the examples. $_SERVER is a super global variable in PHP that contains the details related to the header, paths, and script locations. The status of HTTPS will be saved in the Global variable $_SERVER[‘HTTPS’]. So, using the $_SERVER[‘HTTPS’] in isset() function, that is used to check whether it exists or not. This will also tell us whether... Read Mores

How to Create an Array for JSON using PHP ?

Updated on 03-Feb-2023 10:42:44
In this tutorial, we will see how to create an array for the JSON in PHP, & will see its implementation through examples. Array: Arrays in PHP is a type of data structure that allows us to store multiple elements of similar data type under a single variable thereby saving us the effort of creating a different variable for every data. The arrays are helpful to create a list of elements of similar types, which can be accessed using their index or key. An array is created using an array() fu... Read Mores

What is the difference between echo, print, and print_r in PHP?

Updated on 30-Jan-2023 19:33:01
echo: echo is not a function rather it is described as a language construct. It accepts an list of argument (multiple arguments can be passed) and returns no value or returns void. It cannot be used as a variable function in PHP. It is used to display the output of parameters that is passed to it. It display the outputs one or more strings separated by commas.Example:<?php// Code by Codegyan// PHP program to illustrate echo  // Declare variable and initialize it.$x = "Codegyan ";$y ... Read Mores