Can this PHP code be valid: $4bears = $bears->getFirst4();
-
Yes
-
No
Reveal answer
Fill a bubble to check yourself
A
Correct answer
Explanation
This syntax is valid PHP. Variable names in PHP can include numbers after the first character (which must be a letter or underscore). So \$4bears is a legal variable name. The method call \$bears->getFirst4() is also valid if getFirst4() is a defined method in the bears class.
AI explanation
To answer this question, let's analyze the given PHP code:
$4bears = $bears->getFirst4();
In PHP, variable names should start with a letter or underscore. They cannot start with a number. Therefore, the variable name \$4bears is not valid.
The correct way to write the code would be to use a valid variable name, such as:
\$_4bears = $bears->getFirst4();
So, the correct answer is B) No.