What is Loop

What is the use of loop

When you want the same block of code to run over and over again in a row. Instead of adding several almost equal lines in a script we can use loops to perform a task.

When you want to execute same statements more than one times then use loop.

Four types of Loop used in PHP :

for : In for loop specified condition is predefined.
while : while loop executes the statement while a specified condition is true.In while loop first check the condition then execute the statement.
do-while : do - while loop executes the statement once and next statement depends upon a specified condition is true.In do - while loop first execute the statement then check the condition, it means if condition is false in that case one time statement execute.
foreach : Foreach loop executes the statement() of an associative array.

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