php loop types

PHP loop

PHP loop used to execute same block of code again and again specified number of time.
Loops execute block of code while the loop condition is true.

In PHP supports four types of loop.

  • for loop
  • while loop
  • do-while loop
  • foreach loop

for loop

for loop – In for loop execute block of code up to the condition is true.
In for loop condition is predefined.

for loop syntax

for ( initialization; condition; increment/decrements)
{
// block of code to be executed
}


PHP while loop

PHP while loop - In while loop the code of block execute while the specified condition is true.

While loop syntax

while(condition)
{
//block of code to be executed
}


PHP do-while loop

In do-whle loop always execute block of code at least once, then check condition and repeat the loop as long as the condition is true.

do-while loop syntax

do
{
// block of code to be executed
}
while (condition)


PHP foreach loop

In foreach loop used in on array.

PHP foreach syntax

foreach (array as value)
{
//bock of code to be executed
}

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