PHP Loops - do, while, foreach and for .

Welcome to PHP programming,
We explain PHP Loops - do, while, foreach and for in this tutorial
In PHP looping statements are used to execute the same block of code a specified number of
times.

Following are the looping statements in PHP:

1) while
2) do..while
3) for
4) foreach

1) The while loop
loops through a block of code if and as long as a specified condition is true.

Syntax:
while(condition)
code to be executed;

Let us write a simple PHP code that outputs the numbers from 1 to 5 using while loop

Save it in our server i.e., xampp/htdocs

Run the code using url http://localhost/phpwhile.php

This is how the while loop works with PHP script.

2) The do..while loop
loops through a block of code atleast once and then repeats the loop as long as a special
condition is true.

Syntax:
do
{
code to be executed;
}
while(condition);

Let us write a simple PHP code that displays a numbers from 1 to 4 using do..while loop.

Save it in our server i.e., xampp/htdocs

Run the code using the url http://localhost/phpdowhile.php

This is how do..while loop works with PHP script.

3) The for loop
loops through a block of code a specified number of times.

Syntax:
for(initialization; condition; increment)
{
code to be executed;
}

a) The for loop has three parameters.
b) The first parameter initializes variables
c) The second parameter holds the condition
d) The third parameter contains the increment required to implement the loop.
e) If more than one variable is included in the initialization or the increment parameter,
they should be seperated by commas.
f) The condition must evaluate to true or false.

Let us write a simple PHP code that displays the text "Welcome to PHP Programming" 5 times using for loop

Save it in our server i.e., xampp/htdocs

Run the code using the url http://localhost/phpfor.php

This is how for loop works with PHP script.

4) The foreach loop
loops through a block of code for each element in an array.

Syntax:
foreach(array as value)
{
code to be executed;
}

For every loop, the values of the current array element is assigned to $value and the array pointer
is moved by one.

Let us write a simple #PHP code that outputs texts stored in the array using foreach loop

Save it in our server i.e, xampp/htdocs

Run the code using the url http://localhost/phpforeach.php

This is how foreach loop works in PHP script.

Thank You......

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