How php language execute?

php is a interpretend languageAn interpreted language is a programming language that executes instructions directly, without previously compiling a program into machine-language instructions. The interpreter executes the program directly, translating each statement into machine code on the fly as required. Compiled language programs, on the other hand, must explicitly be entirely translated ("compiled") into a sequence of machine language instructions before they can be execut...

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What is the difference between strstr() and stristr()?

strstr -- Find first occurrence of a string and get the string from that characterstrstr() example<?php$mail = 'pass@examplem.com';$domain = strstr($mail, '@');echo $domain; // prints @examplem.com?>stristr -- Case-insensitive strstr()stristr() example<?php$email = 'USER@EXAMPLE.com';echo stristr($email, 'e');// outputs ER@EXAMP...

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What are the differences between split, implode and explode?

split() and explode() are aliases for one-another. implode() and join() arealiases for each other. i believe the name was originally explode(), butsplit() was chosen later to suit perl programme...

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Different between implode and explode in php?

ImplodeJoin array elements with a stringExample implode() example<?php$array = array('lastname', 'email', 'phone');$comma_separated = implode(",", $array);echo $comma_separated; // lastname,email,phone// Empty string when using an empty array:var_dump(implode('hello', array())); // string(0) ""?>EXPLODE:split string as array<?php// Example 1$pizza  = "piece1 piece2 piece3 piece4 piece5 piece6";$pieces = explode(" ", $pizza);echo $pieces[0]; // piece1echo $pieces[1]; // piece2// Example 2$data = "foo:*:1023:1000::/home/foo:/bin/sh";list($user,...

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What is PEAR?

 PEAR is short for "PHP Extension and Application Repository" and is pronounced just like the fruit. The purpose of PEAR is to provide:    A structured library of open-source code for PHP users    A system for code distribution and package maintenance    A standard style for code written in PHP, specified here    The PHP Extension Community Library (PECL), see more below    A web site, mailing lists and download mirrors to support the PHP/PEAR communityPEAR is a community-driven...

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What is PHP?

PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML....

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West Bengal SSC Notified for Lower Division Clerk/ Assistant (Group-C) Recruitment Examination-2013

West Bengal Staff Selection Commission invited application for recruitment to the posts of Lower Division Clerk/ Assistant (Group-C) Recruitment Examination-2013. The candidates eligible for the posts can apply through prescribed format before 13 September 2013. Important Dates Closing Date for Submission of Application Form: 13 September 2013 Details of Posts Name of Post: Lower Division Clerk/Assistant (Group C) Number of Posts: 3050 Posts Detailed Advertisement...

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Codeigniter objective interview question and answers

Normal 0 false false false MicrosoftInternetExplorer4 1).Code Igniter is a _____a).Object Oriented Concept b).PHP Library without Web Server c).Application Development Framework d).Content Management System 2).Which of the following is not true about CodeIgnitera).It is light weight b).It is fast c).It uses MVC d).It uses Delphi Modelling Techniques 3).The separation of logic and presentation can be seen in which of the following?a).MVC approach b).Simpleton approach c).Master/Slave Model d).Semaphore Model 4).The...

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Codeigniter Interview questions and answers part2

5. Explain Codeigniter File Structure.When you download Codeigniter you will see the following folder structure :-•    applicationo    cacheo    Configo    Controllerso    coreo    errorso    helperso    hookso    languageo   ...

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Codeigniter Interview question and answers part 1

1. What is codeigniter?Codeigniter is open source , web application framework.Its is for building websites using php.Codeigniter is loosely based on MVC pattern.Most simple framework in php , which is you will easily learn.Its mostly known for its speed as compare to other frameworks in php. Its goal is to enable you to develop projects much faster than you could if you were writing code from scratch, by providing a rich set of libraries for commonly needed tasks, as well as a simple interface and logical structure to access these libraries.2....

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What is Cookies in php

CookiesThe state management object using to maintain the state of application Cookies stores the data in client memory location.These data we can access from any web page within the applicationCookies stores the information in two location, Either Hard disk or Ram memory location of client systemCookies are divided into Two types1.In-memory cookiesIf we create any cookie without explicit expiry tag comes under in memory cookies. In memory cookies stores the informationin clinet Ram memory location and destroys the data when user closed the browser2.Persistence...

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What is W3c?

What is W3c? It stands for world wide web consortium which is an international consortium of companies.it was founded in 1994 by Tim Bernese Lee.W3c activities1 W3c creates and maintains WWW standards.2 W3c is working to standardize the web.3.W3c standards are called w3c remonstrations.4.W3c is organized to a number organization etc.W3c numbersThere are the following well known numbers in w3c1 IBM2 microsoft3.America online4.Apple5.Adobe6.macromedia7.sunmicrosystem etcWhat is internet Internet stands for international network. it is the...

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Types Of Errors In Php

Types of Errors in phpThere are four types of errors1.Notice2.Warning3.Fatal Error4.Parse Error1.NoticeIt is nothing but a samll information to user. If we are trying to access undefined variable. The Output is Notice.Notice does'nt stop the execution.Example: <?php$var1="car";$var 2=3;echo $var1'.'$var2;echo $var3;// Notice error  ?> By default we cannot see the notice message on browser.Because , The configuration setting ie error_reporting value is "E_ALL" & ~E_NOICE , The notice are displayed by the Browser. we can also display...

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Pointer Arithmetic

All types of arithmetic operations are impossible with a pointer. The only valid operations that can be performed are as-1. Addition of integer to a pointer and increment operations.2. Subtraction of an integer from a pointer and decrement operations.3. Subtraction of a pointer from another pointer of same typepointer arithmetic is somewhat different from ordinary arithmetic. Here all arithmetic is performed relative to the size of basic type of pointer.For example, If we have an integer pointer pi which contains address 1000, then on incrementing...

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What Is Hungarian?

Hungarian notation:It is one of the naming conventions followed by the sun micro system for naming predefined, class/interface/predefined methods and data methods.HungarianRule 1 for class and interface "If any class name or interface name", is containing either one word or more than one word. All words first letter must be capital.EX:        Normal Notation                     Hungarian  Notation   System Action...

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Difference Between Instance Data Member and Static Data Members

 Types of data members in Java:We known that every single java program must be written with respect to class, and a class is containing a collection of data members and method. In Java program data members from the class are classified as two types. They are  1.  Instance data member’s    2.  static data members            Instance data members         Static data members 1. Instance's data members are those whose memory space...

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Difference Between Class and Object in Java?

Definition of class:- Class is a collection of data members and associated methods.Definition of object:- Blue print of class is known as object  Different between class and object is follow                     Class                        Object 1.The process of binding the data member and associated methods. In a single unit...

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What Is Constructor in Java?

 A constructor is a special member method which will call by the JVM automatically whenever an object is created by placing over own values without placing the default value.Advantages of constructors:If we use the constructor concept add a part of over the java program, we get the following advantage.1. It eliminates in placing default values.2. It eliminates in calling ordinary method. The purpose of constructor concept is that it initialized  the object..Properties/characteristic of constructor: In over the java program, if we...

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What Is Different Between Instant Methods and Static Methods?

Each and every class of java contains a collection of methods the methods of java are divided into two types. They are1. Instance methods/non static methods.2. Static methods.                     Instant methods                    Static methods 1. Instance methods are those, which are recommended to perform Repeated operations such as reading the records...

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What Are the Features of Java?

Features of any Programing language are nothing, but the service or the basic facilities Provided by the language to the Industry program for the development of Real-World application.The Java Programing language Provides thirteen(13) Features:1. Simple2. Platform Independent 3. Architecture neutral4. Portable5. Multi threaded6. Network7. Distributed8. High performance9. Robust (strong)10. Interpreted11. Dynamic12. Secured13. Object Oriented ProgramingSimple:Java is of the simple programing language, because of the following factors.The language...

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What Is Different Between FTP and HTTP? What Is Stateless and State Full Protocols?

                    FTP                    HTTP 1. It is one of Protocol comes under UDP. 1. It is one of protocol comes under TCP. 2. FTP is of the non acknowledgment oriented protocol. 2. Http is of the acknowledgement oriented protocol. 3. FTp is one of the state full Protocol. 3. Http is of the stateless protocol. 4. FTP is use in low level application...

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