What is the difference between print() and echo()?

  1. print() can be used as part of an expression, while echo() can't

  2. echo() can be used as part of an expression, while print() can't

  3. echo() can be used in the CLI version of PHP, while print() can't

  4. print() can be used in the CLI version of PHP, while echo() can't


Correct Option: A

AI Explanation

To answer this question, we need to understand the difference between the print() and echo() functions in PHP.

Option A) print() can be used as part of an expression, while echo() can't This option is correct. The print() function can be used as part of an expression, meaning it can be used within another statement or assignment. For example, you can use print($x + $y) to display the result of the addition of $x and $y. On the other hand, the echo() function cannot be used as part of an expression.

Option B) echo() can be used as part of an expression, while print() can't This option is incorrect. As mentioned above, echo() cannot be used as part of an expression.

Option C) echo() can be used in the CLI version of PHP, while print() can't This option is incorrect. Both print() and echo() can be used in the CLI (Command Line Interface) version of PHP.

Option D) print() can be used in the CLI version of PHP, while echo() can't This option is incorrect. Both print() and echo() can be used in the CLI version of PHP.

Therefore, the correct answer is A) print() can be used as part of an expression, while echo() can't.

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