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Questions and Answers
What is the output of the expression $x + $y if $x = 10 and $y = 5?
What is the output of the expression $x + $y if $x = 10 and $y = 5?
- 20
- 5
- 10
- 15 (correct)
What is the purpose of the assignment operator += in PHP?
What is the purpose of the assignment operator += in PHP?
- To perform arithmetic operations
- To compare two values
- To concatenate strings
- To assign a value to a variable (correct)
What is the output of the expression $x % $y if $x = 10 and $y = 5?
What is the output of the expression $x % $y if $x = 10 and $y = 5?
- 5
- 2
- 10
- 0 (correct)
What type of operator is used to compare two values in PHP?
What type of operator is used to compare two values in PHP?
What is the output of the expression $x - $y if $x = 10 and $y = 5?
What is the output of the expression $x - $y if $x = 10 and $y = 5?
What is the purpose of the increment operator ++ in PHP?
What is the purpose of the increment operator ++ in PHP?
What type of operators are used to perform mathematical operations in PHP?
What type of operators are used to perform mathematical operations in PHP?
Which operator is used to assign a value to a variable in PHP?
Which operator is used to assign a value to a variable in PHP?
What type of operators are used to combine conditional statements in PHP?
What type of operators are used to combine conditional statements in PHP?
Which operator is used to check if two values are equal in PHP?
Which operator is used to check if two values are equal in PHP?
What type of operators are used to manipulate strings in PHP?
What type of operators are used to manipulate strings in PHP?
Which operator is used to concatenate strings in PHP?
Which operator is used to concatenate strings in PHP?
What is the purpose of the conditional operator?
What is the purpose of the conditional operator?
What is the output of the expression $x && $y if $x is true and $y is false?
What is the output of the expression $x && $y if $x is true and $y is false?
What is the function of the === operator?
What is the function of the === operator?
What is the purpose of the string operator .?
What is the purpose of the string operator .?
What is the output of the expression $name = "John"; $greeting = "Hello, " . $name . "!";?
What is the output of the expression $name = "John"; $greeting = "Hello, " . $name . "!";?
What is the function of the || operator?
What is the function of the || operator?
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