Programming Basics if then else, switch, operators
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Programming Basics if then else, switch, operators
- 1. TRIVUz Academy PF02 Class Id: Programming Fundamentals MS Alam TRIVUz Founder, TRIVUz Network TRIVUz Academy
- 2. TRIVUz Academy Recap PF01 TRIVUz Academy
- 3. We learn before We Define Computer & Program Define Computer Programming Programming Process Programming Language Inputs & Outputs Define Logical Processing Variables Data Types Programming Fundamentals TRIVUz Academy www.trivuzacademy.com
- 4. We will learn today Conditional Statement If… then … else Switch statement Operators Programming Fundamentals TRIVUz Academy www.trivuzacademy.com
- 5. Conditional Statement • Conditional statements are the set of command used to perform different actions base on different conditions • In PHP we have the following conditional statements: • if • if else • else if • switch TRIVUz Academy
- 6. If statement execute some code only if statement is true TRIVUz Academy
- 8. If… if TRIVUz Academy
- 9. If… if (conditional) TRIVUz Academy
- 10. If… if (conditional) { TRIVUz Academy
- 11. If… if (conditional) { // statement to be executed TRIVUz Academy
- 12. If… if (conditional) { // statement to be executed } TRIVUz Academy
- 13. If… Example: if ($math < 33) { $result = “Failed!”; } TRIVUz Academy
- 14. If…else statement execute some code if statement is true and some other code if statement is false TRIVUz Academy
- 15. If…else… if (conditional) { // statement if true } TRIVUz Academy
- 16. If…else… if (conditional) { // statement if true } else TRIVUz Academy
- 17. If…else… if (conditional) { // statement if true } else { // statement if false TRIVUz Academy
- 18. If…else… if (conditional) { // statement if true } else { // statement if false } TRIVUz Academy
- 19. If…else… Example: if ($math < 33) { $result = “Failed!”; } else { $result = “Passed!”; } TRIVUz Academy
- 20. If…else if…else statement execute some code if statement is true And some other code if statement is false TRIVUz Academy
- 21. If…else if…else if (conditional) { // statement if true } else if (conditional){ // statement if false and else if true } else { // statement if all false } TRIVUz Academy
- 22. If…else if…else if (conditional) { // statement if true } else if (conditional){ // whichever matches first } else if (conditional){ // whichever matches first } else if (conditional){ // whichever matches first } else if (conditional){ // whichever matches first } else { // statement if all false } TRIVUz Academy
- 23. If…else if…else Example: if ($avg > 100) { $grade = "Invalid"; } else if ($avg > 90 and $avg < 100 ) { $grade = "A+"; } else if($avg > 80 and $avg < 90) { $grade = "A"; } else { $grade = "F"; } TRIVUz Academy
- 24. switch statement Select one of many block of code to execute TRIVUz Academy
- 25. switch switch TRIVUz Academy
- 26. switch switch (value) TRIVUz Academy
- 27. switch switch (value) { TRIVUz Academy
- 28. switch switch (value) { case 1: // some code to execute TRIVUz Academy
- 29. switch switch (value) { case 1: // some code to execute break; TRIVUz Academy
- 30. switch switch (value) { case 1: // some code to execute break; case 2: // some code to execute break; TRIVUz Academy
- 31. switch switch (value) { case 1: // some code to execute break; case 2: // some code to execute break; default: // nothing matches, do it TRIVUz Academy
- 32. switch switch (value) { case 1: // some code to execute break; case 2: // some code to execute break; default: similar to else in if..else // nothing matches, do it TRIVUz Academy
- 33. switch switch (value) { case 1: // some code to execute break; case 2: // some code to execute break; default: // nothing matches, do it } TRIVUz Academy
- 34. switch switch (n) { case label1: code to be executed if n=label1; break; case label2: code to be executed if n=label2; break; default: code to be executed if n is different from both label1 and label2; } TRIVUz Academy
- 35. switch <html> <body> <?php switch ($x) { case 1: echo "Number 1"; break; case 2: echo "Number 2"; break; case 3: echo "Number 3"; break; default: echo "No number between 1 and 3"; } ?> </body> TRIVUz Academy </html>
- 36. PHP Operators Operators are used to operate on values TRIVUz Academy
- 37. Operators Arithmetic Operators TRIVUz Academy
- 38. Operators Assignment Operators TRIVUz Academy
- 39. Operators Comparison Operators TRIVUz Academy
- 40. Operators Logical Operators TRIVUz Academy
- 41. Thank You MS Alam TRIVUz Founder, TRIVUz Academy trivuz@gmail.com
Notes de l'éditeur
- ----- Meeting Notes (12/28/11 19:20) -----