The PHP directives, whatever they are, will prevail. Which of the following is a PHP function used to declare constants? » C++ » Python The name of the constant can be redefined? 1. always use function constant('CONST_NAME') to get constant value (BTW it also works for class constants - constant('CLASS_NAME::CONST_NAME') ); 2. use only class constants (that are defined inside of class using keyword const) because they are not converted to string when not found but throw exception instead (Fatal error: Undefined class constant). A - Constants may be defined and accessed anywhere without regard to variable scoping rules. Start studying PHP. Web Technologies: As of PHP 7, array constants can also be defined using define () function. Constants are just like variables, but its value cannot be changed. ; case-insensitive: we choose (True/False) whether a constant PHP script is case-insensitive.If we skip it, the constant is case-sensitive by default. Which of the following is a Compound data type? 15) What is the correct output of the given code snippets? https://wordpress.org/support/article/configuring-automatic-background-updates The following section describes some of the most useful magical PHP constants… » Kotlin 13) What is the correct output of the given code snippets? Which of the following PHP data types stores only true or false values? : » About us name: we define the name of the PHP constant, following the rules above. PHP Constants are created using define () function. » C# » Machine learning C Both of the above. » DBMS » C#.Net A To define a constant you have to use define() function. Which of the following is a special data type? These magic … In this Question set you will get 10 Objective Questions of PHP with Answer related to PHP (Php Hypertext Preprocessor). 8) What is the correct output of the given code snippets? No. Let us see how it is used in a program. 12) What is the correct output of the given code snippets? 1) There are the following statements that are given below, which of them are correct about constants in PHP? » Puzzles » C The above code will print "AUSTRALIA" on the webpage. If the constant is defined then this will equal false. View Notes - PHP Conditional statements.docx from COMPUTER S 123A at Rayat Bahra College Of Engineering & Bio-Technology for Women. 943 views. First we will see the case-sensitive constant. Integer. Boolean. This function takes two parameters first is the name and second is the value of the constant defined. A valid constant name starts with an alphabet or underscore. Second, even if WP_DEBUG is true, the other constants only do something if they too are set to true. » Java This function returns true, if the constant was declared. PHP constants can be defined by 2 ways: Using define() function; Using const keyword; Constants are similar to the variable except once they defined, they can never be undefined or changed. » Data Structure A constant is an identifier (name) for a simple value. Float. Q 25 - Which of the following is correct about constants? Aptitude que. » Java : » CS Organizations D - None of the above. Select your option and check with given correct answer. The above code will print "100" on the webpage. statement termination. » Ajax The above code will not print anything on the webpage because fun() is not called anywhere in the code. 4. Select your option and check with given correct answer. php; Learn vocabulary, terms, and more with flashcards, games, and other study tools. To verify the existence of constants you can use the function defined. 2) Which of the following function is used to define a constant in PHP? 7. What will be the output of the following PHP code ? The following code displays this value: echo M_PI; Another useful predefined constant is PHP_VERSION, which holds the current version of the running PHP engine: echo PHP_VERSION; The PHP website has a list of built-in predefined constants. answered Sep 2, 2018 by Djurdjic . FILE__: This magic constant returns the full path of the executed file, where the file is stored. Constants are defined using PHP's define( ) function, which accepts two arguments: The name of the constant, and its value. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. Rules for defining constant. » Embedded C The false value of third parameter of define() function denotes that the constant name is case-sensitive and true value indicates that the constant name is case-insensitive. Define. For example, the value of __LINE__ depends on the line that it's used on in your script. » C Constants are just like variables, but its value cannot be changed. Following is a brief version history of CONSTANTS in PHP: As of PHP 5.3, you can use the const keyword to define global constants (previously, const keyword is used to create class constants). » Internship D None of the above. 4) What is the correct output of the given code snippets? PHP MOCK TEST Q 1 - Which of the following is correct about constants? We can enable case insensitivity while defining constants. B - Once the Constants have been set, may not be redefined or undefined. Yes, we can create a case-sensitive constant in PHP. PHP Aptitude Questions and Answers, PHP Constants Aptitude Questions and Answers: This section contains aptitude questions and answers on PHP Constants. 7) What is the correct output of the given code snippets? » Java & ans. 5) What is the correct output of the given code snippets? B - Only scalar data (boolean, integer, float and string) can be contained in constants.
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