Question 1: Which of the following are valid PHP variable? 1.myFirstProgram 2.MIX-UP 3.PHPProgram2 4.quiz7 5.$ProgrammingLecture2 6.1footEquals12Inches 7.Mike’sFirstAttempt 8.Update Grade 9.4th 10.New_Student 11._123 12.A_B_C! 13.?abc 14.first-Name 15._2 Question 2: What is value of x, y, z, q after the statements below have been executed? Question 3: What is value of x, y, z after the statements below have been executed? Question 4: What are local and global variables? Question 5. Given that $x=6; $y=3; Please specify the result of the following statements? Question 6.What is the output of the following code fragment? Question 7 : The income tax rate is decided by income. The rule is shown below. Question 8: Write a program to calculate the following: 10 – 20 + 30 – 40 + … – 2000 = Question 9: What’s the difference between while loop and do-while loop?
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