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Statements and Conditions in PHP
The presentation introduces multiple programming concepts, including if...else...elseif statements, switch statements, and various types of loops (for, while, and do...while). Each concept is accompanied by basic syntax and example code in PHP, demonstrating how to implement these statements. The presentation concludes with a brief thank you note.
In this document
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An introductory welcome message for attendees of the presentation.
Introduction of team members along with their IDs.
Overview of topics to be covered: Conditions and loops in programming.
Explanation of if statements, including variants if...else and if...elseif for conditional execution.
A PHP example demonstrating the use of if...elseif...else structure with a date condition.
Output of the PHP code example for if...elseif...else statements.
Description of the switch statement as an alternative to if...elseif...else for multiple value testing.
A PHP code example that utilizes a switch statement based on the day of the week.
Output of the PHP code example for the switch statement.
Explanation of the for loop and its syntax for executing code a set number of times.
A PHP example showing a for loop that iterates ten times, printing numbers.
Output of the PHP code example demonstrating the for loop.
Description of the while loop that executes code while a specific condition remains true.
A PHP example showing a while loop that prints numbers from 1 to 5.
Output of the PHP code example demonstrating the while loop.
Explanation of the do...while loop, which executes code at least once before a condition check.
A PHP example using a do...while loop that prints numbers, though it remains logically flawed.
Output of the PHP code example demonstrating the do...while loop.
Closing remarks and thanks to the audience for their attention.
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Statements and Conditions in PHP
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- 2. MEMBERS INTRO MD.IMRAN HOSSAIN {{ 183-25-691 }} MARUF ABDULLAH {{ 183-25-706 }} FAHIM FOYSAL KHAN {{ 183-25-692 }} SUMON HAZRA {{ 181-25-644 }} PRITOMA DEBNATH {{ 181-25-653 }}
- 3. WE ARE COVERINGFOLLOWING TOPICS If...Else...Elseif Statements Switch Statement For Loop While Loop Do…While Loop
- 4. IF …. ELSE…. ELSEIF if statement executes some code if one condition is true. if...else statement executes some code if a condition is true and another code if that condition is false. if...elseif....else statement executes different codes for more than two conditions.
- 5. EXAMPLE OF IF...ELSEIF...ELSE <?php $date= date("D"); if($date == "Friday"){ echo "Have a nice weekend!"; } elseif($date == "Sunday"){ echo "Have a nice Sunday!"; } else{ echo "Have a nice day!"; } ?>
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- 7. SWITCH STATEMENT SwitchStatement tests a variable against a series of values. We can assume Switch Statement is an alternative to the if…elseif…else statement.
- 8. EXAMPLE OF SWITCHSTATEMENT <?php $date = date("D"); Switch ($date){ case "Friday ": echo "Have a nice weekend"; break; case "Sunday": echo "Have a nice Sunday!"; break; default: echo "Have a Nice Day!"; break; } ?>
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- 10. FOR LOOP Forloop executes a block of code a specified number of times. Basic Syntax of For Loop: for ( init counter; test counter; increment counter) { code to be executed; }
- 11. EXAMPLE OF FORLOOP <?php for ($x = 0; $x <= 10; $x++) { echo "The number is: " . $x . "<br>"; } ?>
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- 13. WHILE LOOP Whileloop executes a block of code as long as the specified condition is true. Basic Syntax of While Loop: while (condition is true) { // code to be executed; }
- 14. EXAMPLE OF WHILELOOP <?php $x = 1; while($x <= 5) { echo "The number is: $x <br>"; $x++; } ?>
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- 16. DO…WHILE LOOP Do...Whileloop will always execute the block of code once, it will then check the condition, and repeat the loop while the specified condition is true. Basic syntax of Do…While Loop: do { // code to be executed; } while (condition is true);
- 17. EXAMPLE OF DO…WHILELOOP <?php $x = 6; do { echo "The number is: $x <br>"; $x++; } while ($x <= 5); ?>
- 18. OUTPUT (DO ….WHILE LOOP)
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