Answer & Solution
Answer: Option A
Solution:
The
<?php ?> tags are used to start and end a block of PHP code.
Q
Which of the following PHP tags is used to start and end a block of PHP code?
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What is the purpose of the PHP require statement?
A). To include and evaluate an external PHP file
B). To define a function in PHP
C). To create a loop in PHP
D). To execute a SQL query
Which of the following is NOT a valid PHP comparison operator?
A). <=
B). ==
C). <>
D). !
What is the purpose of the PHP exit() function?
A). To terminate the script execution
B). To print output to the browser
C). To create a loop in PHP
D). To define a function in PHP
What is the purpose of the PHP print_r() function?
A). To print human-readable information about a variable
B). To redirect output to a file
C). To execute SQL queries
D). To define a function in PHP
What is the correct syntax to start a PHP script?
A). <?php
B). <script>
C). <?>
D). <!DOCTYPE php>
Which of the following is true about PHP data types?
A). PHP is a strongly typed language
B). Variables must be explicitly declared with data types
C). PHP supports dynamic typing
D). PHP only supports numeric data types
What does the strlen() function do in PHP?
A). Returns the length of a string
B). Converts a string to lowercase
C). Checks if a string contains a substring
D). Returns the first occurrence of a substring in a string
Which of the following is NOT a valid PHP variable name?
A). $my_var
B). $MyVar
C). $my-var
D). $myVar123
Which of the following statements is true about PHP comments?
A). Comments are ignored by the PHP interpreter
B). Comments can only be single-line
C). Comments must start with /* and end with */
D). Comments are displayed on the webpage
Which of the following symbols is used to concatenate strings in PHP?
A). +
B). <>
C). .
D). -