PHP Flashcards
How do you open and close PHP?
Tags such as
How do you declare a variable in PHP?
Placing a dollar sign ahead of the variable name ($name = “Alan”;)
How do you declare a variable in PHP?
Placing a dollar sign ahead of the variable name ($variable)
What denotes a concatenation in PHP?
A full stop ( . )
How do you declare a variable in PHP?
Placing a dollar sign ahead of the variable name ($variable)
How do you comment in PHP?
//single line comment or /*multiple line comment*/
How can you check if a variable has been assigned a value in PHP?
Use the isset() function
How can you remove a variable in PHP?
Use the unset() function
What functions can you use to output data in PHP?
Echo, print(), and printf()
How do you declare an array in PHP?
$array[index];
Do you need to declare variable types in PHP?
No; variables are dynamic
How can you check what browser a user is on?
Use $_SERVER[“HTTP_USER_AGENT”]
