Practice Questions For

ANS : (a) PHP stands for "PHP: Hypertext Preprocessor

ANS : (a) The correct way to declare a variable in PHP is $var_name.

ANS : (c) Both include() and require() are used to include files in PHP.

ANS : (a) The correct way to create a function in PHP is function myFunction() {}.

ANS : (a) The correct way to start a session in PHP is session_start();.

ANS : (a) The correct way to define a constant in PHP is define("CONSTANT_NAME", value);.

ANS : (c) Both // and /* */ are valid ways to comment in PHP.

ANS : (a) The correct way to access an array element in PHP is $array[0].

ANS : (c) Both array() and [] are valid ways to create an array in PHP.

ANS : (c) Both sort() and rsort() are used to sort an array in PHP.

ANS : (d) All of the above are valid ways to connect to a MySQL database in PHP.

ANS : (d) All of the above are valid ways to execute a SQL query in PHP.

ANS : (d) All of the above are valid ways to fetch data from a MySQL result set in PHP.

ANS : (d) All of the above are valid ways to close a MySQL connection in PHP.

ANS : (c) Both try-catch and error_reporting() are valid ways to handle errors in PHP.

ANS : (a) The isset() function checks if a variable is set and is not NULL.

ANS : (a) The correct way to start a session in PHP is session_start();.

ANS : (a) The correct way to define a constant in PHP is define("CONSTANT_NAME", value);.

ANS : (c) Both include() and require() are used to include files in PHP.

ANS : (a) The echo statement is used to output one or more strings in PHP.

ANS : (c) Both $_POST and $_GET are used to collect form data.

ANS : (b) PHP stands for "PHP: Hypertext Preprocessor".

ANS : (a) The strlen() function returns the length of a string.

ANS : (c) header() function is used to redirect users in PHP.

ANS : (a) The function keyword is used to define a function in PHP.

ANS : (c) Both include() and require() are used to include files.

ANS : (b) 10 % 3 returns 1, the remainder of the division.

ANS : (b) The dot (.) operator is used for string concatenation in PHP.

ANS : (c) session_start() is used to start a new session or resume the existing one.

ANS : (c) Variables are declared using the $ symbol followed by the variable name.

ANS : (c) setcookie() is used to send a cookie to the browser.

ANS : (c) The default extension for PHP files is .php.

ANS : (c) PHP variable names can start with underscore and letters, but not with a number or include hyphens.

ANS : (a) You can use //, # for single-line and /* */ for multi-line comments.

ANS : (b) PHP converts "3" to integer 3, so 2 + 3 = 5.

ANS : (b) $_GET is used to collect data sent in the URL query string.

ANS : (c) Both define() and const can be used to declare constants.

ANS : (c) exit() is used to terminate the script.

ANS : (b) mail() is used to send emails in PHP.

ANS : (b) The expression (true && false) is false, so it returns "No".

ANS : (d) All of the listed are magic constants in PHP.

ANS : (b) The @ symbol is used to suppress errors in PHP.

ANS : (b) Variables without assignment are null by default.

ANS : (c) There is no loop statement called "loop" in PHP.

ANS : (b) require() halts execution if the file is not found.

ANS : (a) The date() function formats a local date and time.

ANS : (a) trim() removes whitespace from the beginning and end of a string.

ANS : (b) explode() splits a string by a specified delimiter and returns an array.

ANS : (b) count() returns the number of elements in an array.

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