Query explained: I have an array: array( 4 => ‘apple’, 7 => ‘orange’, 13 => ‘plum’ ) I would like to get the first element of this array. Expected result: string apple …
How to get the first element of an array in PHP? Learn MoreQuery: Is there a catchall function somewhere that works well for sanitizing user input for SQL injection and XSS attacks, while still allowing certain types of HTML tags? How to …
How to sanitize user input with PHP for preventing SQL injection and XSS attacks? Learn MoreProblem explained: I have the following array and when I do print_r(array_values($get_user));, I get: I tried to access the array as followed: But this displays me: undefined 0 Note: I get …
How to access an array or object in PHP? [Answered] Learn MoreSample query: I have two dates of the form: Now I need to find the difference between these two in the following form: How can I do this in PHP? …
How to calculate the difference between two dates using PHP? [Answered] Learn MoreQuery explained: I am trying to send data from a form to a database. Here is the form I am using: The typical approach would be to submit the form, …
jQuery Ajax POST example with PHP [Answered] Learn MoreQuery explained: Is it possible to redirect a user to a different page using PHP? Say the user goes to www.example.com/page.php and I want to redirect them to www.example.com/index.php, how would I do …
How to make a redirect in PHP? [Answered] Learn MoreQuery explained: It is currently said that MD5 is partially unsafe. Taking this into consideration, I’d like to know which mechanism to use for password protection. I’m using PHP. I …
How to secure hash and salt for PHP passwords? [Answered] Learn MoreQuery explained: Every now and then I hear the advice “Use bcrypt for storing passwords in PHP, bcrypt rules”. But what is bcrypt? PHP doesn’t offer any such functions, Wikipedia babbles …
How to use bcrypt for hashing passwords in PHP? [Answered] Learn MoreSample problem: I have a variable in PHP, and I need its value in my JavaScript code. How can I get my variable from PHP to JavaScript? I have code …
How to pass variables and data from PHP to JavaScript? [Answered] Learn MoreSample Problem: I am trying to do authorization using JavaScript by connecting to the RESTful API built-in Flask. However, when I make the request, I get the following error: XMLHttpRequest cannot load http://myApiUrl/login. No ‘Access-Control-Allow-Origin’ header …
Why does my JavaScript code receive a “No ‘Access-Control-Allow-Origin’ header is present on the requested resource” error, while Postman does not? Learn MoreProblem: I’m a little confused why I see some code in PHP with string placed in single quotes and sometimes in double quotes. I just know in .NET, or the …
What is the difference between single-quoted and double-quoted strings in PHP? [Answered] Learn MoreProblem: Quite often I will try and run a PHP script and just get a blank screen back. No error message; just an empty screen. The cause might have been …
How to get useful error messages in PHP? [Answered] Learn MoreProblem: I have checked my PHP ini file (php.ini) and display_errors is set and also error reporting is E_ALL. I have restarted my Apache webserver. I have even put these lines at the …
How to display PHP errors? [Answered] Learn MoreIn this post we’ll understand the references to symbols in PHP. Incrementing / Decrementing Operators ++ increment operator — decrement operator These can go before or after the variable. If put before …
Reference — What does this symbol mean in PHP? [Answered] Learn MoreProblem: Is there a simple way to convert one date format into another date format in PHP? I have this: But I’d of course like it to return a current …
How to convert one date format into another in PHP [Answered] Learn MoreProblem: I’m trying to execute some PHP code on a project (using Dreamweaver) but the code isn’t being run. When I check the source code, the PHP code appears as …
PHP code is not being executed, but the code shows in the browser source code [Answered] Learn MoreProblem: I have the JSON: How do I decode this in PHP and access the resulting data? How to extract and access data from JSON with PHP? Answer #1: First …
How to extract and access data from JSON with PHP? [Answered] Learn More