How is the comparison of objects done in PHP?
We use the operator ‘==’ to test is two objects are instanced from the same class and have same attributes and equal values. We can test if two objects are…
What is the meaning of a final class and a final method?
‘final’ is introduced in PHP5. Final class means that this class cannot be extended and a final method cannot be overridden.
Is multiple inheritance supported in PHP?
PHP supports only single inheritance; it means that a class can be extended from only one single class using the keyword ‘extended’.
What is the main difference between PHP 4 and PHP 5?
PHP 5 presents many additional OOP (Object Oriented Programming) features.
How can we display the output directly to the browser?
To be able to display the output directly to the browser, we have to use the special tags <?= and ?>
What is the correct and the most two common way to start and finish a PHP block of code?
The two most common ways to start and finish a PHP script are: 1. <?php ?> 2. <? ?>
How do you execute a PHP script from the command line?
Use the PHP command line interface (CLI) and enter the file name of the script to be executed as follows:php phpscript.php
What does PEAR stand for?
PEAR means “PHP Extension and Application Repository”. It extends PHP and provides a higher level of programming for web developers.
Which programming language does PHP resemble?
PHP syntax resembles Perl and C
What do the initials of PHP stand for?
PHP stands for Hypertext Pre-processor.