Q&A

What syntax issues will developer faced when using PHP?

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What syntax issues will developer faced when using PHP?

Buggy PHP Code: The 10 Most Common Mistakes PHP Developers Make

  • Common Mistake #1: Leaving dangling array references after foreach loops.
  • Common Mistake #2: Misunderstanding isset() behavior.
  • Common Mistake #3: Confusion about returning by reference vs.
  • Common Mistake #4: Performing queries in a loop.

What is PHP used for examples?

Typically, it is used in the first form to generate web page content dynamically. For example, if you have a blog website, you might write some PHP scripts to retrieve your blog posts from a database and display them. Other uses for PHP scripts include: Processing and saving user input from form data.

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Is PHP a bad career choice?

definitely yes. PHP is very popular and easy to learn language . so with the little knowledge of programming your can start learning this language. There are a lot s of good framework available that make PHP now a day even more popular and make advance in OOP concept compare to other higher level language.

What are PHP errors?

A PHP Error occurs when something is wrong in the PHP code. The error can be as simple as a missing semicolon, or as complex as calling an incorrect variable. To efficiently resolve a PHP issue in a script, you must understand what kind of problem is occurring.

What are the three types of errors in PHP?

Types of errors in PHP

  • Syntax Error or Parse Error.
  • Fatal Error.
  • Warning Error.
  • Notice Error.

What can go wrong when with a PHP script handling a web request?

Possible error types:

  1. E_USER_ERROR – Fatal user-generated run-time error. Errors that can not be recovered from. Execution of the script is halted.
  2. E_USER_WARNING – Non-fatal user-generated run-time warning. Execution of the script is not halted.
  3. E_USER_NOTICE – Default. User-generated run-time notice.
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What is xampp server?

XAMPP (/ˈzæmp/ or /ˈɛks. æmp/) is a free and open-source cross-platform web server solution stack package developed by Apache Friends, consisting mainly of the Apache HTTP Server, MariaDB database, and interpreters for scripts written in the PHP and Perl programming languages.

Is PHP a worst language?

The three absolute worst, major programming languages are PHP, JavaScript, and C++ (in that order). Languages such as Java, C#, Python, Ruby, and C are just fine.

What is the best thing about PHP for beginners?

The best thing about PHP is that it has got a very well-documented manual for you to use anytime you need. Just head over to http://php.net and you will get almost every possible information you may need, in a very well-organised manner. They have also got a new look to their site (which is still in beta stage), for you to try out.

How to perform arithmetic operations on character variables in PHP?

Arithmetic operations on character variables : $d = ‘A00’. Using this variable print the following numbers. Go to the editor 20. Write a PHP script to get the last occurred error. Go to the editor 21. Write a PHP function to test whether a number is greater than 30, 20 or 10 using ternary operator.

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How do I write a basic PHP script with a solution?

PHP basic [102 exercises with solution] 1. Write a PHP script to get the PHP version and configuration information. Go to the editor Click me to see the solution. 2. Write a PHP script to display the following strings. Go to the editor Sample String : ‘Tomorrow I ‘ll learn PHP global variables.’ ‘This is a bad command : del c:\\*.*’ Expected Output:

What is dry PHP and how to use it?

DRY or Don’t Repeat Yourself is a programming concept in software engineering, which tries to cut down redundancy from your code. It’s not a PHP-specific concept and can be applied to any programming language like JAVA, C++, etc.