Differentiate For each and While loop. - Computer Applications

Differentiate For each and While loop.

संक्षेप में उत्तर

	While loop	Foreach loop
Working principle	The while statement will execute a block of code If and as Song as a test expression, is true.	The foreach statement is used to loop through arrays.
Working principle	If the test expression is true then the code block will be executed. After the code has executed the test expression will again be evaluated and the loop will continue until the test expression is found to be false.	For each pass, the value of the current array element is assigned to $value and the array pointer is moved by one and in the next pass, the next element will be processed.
Syntax	`while(condition) { code to be executed; }`	`for each ($array as $value) { code to be executed; }`

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Looping Structure

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अध्याय 7: Looping Structure - Evaluation - PART – III [पृष्ठ ११८]

अध्याय 7 Looping Structure
Evaluation - PART – III | Q 3. | पृष्ठ ११८

Consider the following code

<? php
$count=12;
do{
printf(“%d squared=%d<br/>”,
$count, pow($count,2));
} while($count<4);
?>

What will be the output of the code.

What will be the output of the following PHP code?

<?php
for ($x = 1; $x < 10;++$x)
{
print “*\t”;
}
?>

Write Syntax of For each loop in PHP.

Write Syntax of while loop in PHP.

Compare for loop and for each loop.

Write the features Looping Structure.

Write the purpose of Looping Structure in PHP.

Differentiate While and Do while loops.

Explain Looping Structure in PHP.

Explain concepts of for loop with example.