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Alok Prasad has Published 38 Articles
![Alok Prasad](https://www.tutorialspoint.com/assets/profiles/115439/profile/60_102992-1559633846.png)
Alok Prasad
2K+ Views
In 5.4 PHP version trait is introduced to PHP object-oriented programming. A trait is like class however it is only for grouping methods in a fine-grained and reliable way. It isn't permitted to instantiate a trait on its own. Traits are introduced to PHP 5.4 to overcome the problems of ... Read More
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Alok Prasad
35K+ Views
A PHP application produces many levels of errors during the runtime of the script . So in this article, we will learn how to display all the errors and warning messages. The quickest way to display all php errors and warnings is to add these lines to your PHP code ... Read More
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Alok Prasad
5K+ Views
PHP allows the user to modify some of its settings mentioned in php.ini using ini_set(). This function requires two string arguments. The first one is the name of the setting to be modified and the second one is the new value to be assigned to it.Parametersvar nameNot all the available ... Read More
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Alok Prasad
2K+ Views
Basically, PHP is interpreted but PHP is compiled down to an intermediate bytecode that is then interpreted by the runtime Zend engine.PHP compiler is responsible forconvert the code to a bytecode that can be used by the runtime engine.resolve functions, names and classes namescreating a symbol tablePHP Interpreter doesGoes through ... Read More
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Alok Prasad
1K+ Views
Let's discuss the differences between errors and exceptions.Recovering from Error is not possible. The only solution to errors is to terminate the execution. Whereas we can recover from Exception by using either try-catch blocks or throwing an exception back to the caller.You will not be able to handle the Errors ... Read More
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Alok Prasad
270 Views
An exception is a problem that arised during the execution of a program. During the execution of a program when an exception occurs, code following the statement will not be executed, and PHP will attempt to find the first matching catch block. If an exception is not caught, a PHP ... Read More
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Alok Prasad
819 Views
A persistent cookie is a cookie that is stored in a cookie file permanently on the browser's computer. As we know cookies are small text files which are as a matter, of course, temporary cookies which stored only in the browser's memory. When the browser is closed, temporary cookies will ... Read More
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Alok Prasad
1K+ Views
Example Live DemoOutputw appears 1 times e appears 2 times l appears 2 times c appears 1 times o appears 4 times m appears 1 times t appears 4 times u appears 1 times r appears 1 times i appears 2 times a appears 1 times s appears 1 times p appears 1 times n appears 1 times
![Alok Prasad](https://www.tutorialspoint.com/assets/profiles/115439/profile/60_102992-1559633846.png)
Alok Prasad
7K+ Views
.htaccess is a configuration file for use on web servers running on the web apache server software. when a .htaccess file is placed in a directory which in turn loaded via the Apache web server, then the .htaccess file detected and executed by the Apache server software. .htaccess files can be ... Read More
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Alok Prasad
9K+ Views
Dependency injection is a procedure where one object supplies the dependencies of another object. Dependency Injection is a software design approach that allows avoiding hard-coding dependencies and makes it possible to change the dependencies both at runtime and compile time.There are numerous approaches to inject objects, here are couple generally ... Read More