Questions and Answers
Which data type in PHP is used to store a sequence of characters?
In PHP, what symbol is used to indicate the start of a variable name?
Which of the following statements correctly represents a conditional statement in PHP?
What will the following PHP code output if $x is set to 10? 'if ($x > 5) { echo "Hello"; } else { echo "Goodbye"; }'
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Which of the following loops will execute a block of code for an unknown number of iterations as long as its condition remains true?
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Study Notes
PHP Data Types and Variables
- The
stringdata type in PHP is specifically used to store a sequence of characters. It can store text data enclosed in single quotes, double quotes, or heredoc syntax. - In PHP, a variable name starts with the dollar sign symbol
$, indicating that the following identifier is a variable.
Conditional Statements in PHP
- A conditional statement in PHP is typically represented using an
if,else if, andelsestructure. This allows for executing different blocks of code based on boolean conditions. - The specific example of the conditional statement:
- If
$xis greater than 5, the output will be "Hello". - If
$xis 5 or less, it will output "Goodbye".
- If
Loops in PHP
- The
whileloop is designed to execute a block of code multiple times as long as its condition remains true, making it suitable for an unknown number of iterations.
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Description
Test your knowledge on PHP programming with this quiz covering introductions, data types, variables, conditional statements, and loops. Dive into practical questions that will sharpen your understanding of PHP’s fundamental concepts.
