Thứ Bảy, 11 tháng 11, 2017

How Does PHP While Do-While For & Foreach Loops Works???


PHP tutorial for beginners, This lessons will show you how we can use more loops in PHP, How Does PHP While Do-While For & Foreach Loops Works???

Loops in PHP are used to execute the same block of code a specified number of times. PHP supports following four loop types.

  1. FOR − loops through a block of code a specified number of times.
  2. WHILE − loops through a block of code if and as long as a specified condition is true.
  3. DO...WHILE− loops through a block of code once, and then repeats the loop as long as a special condition is true.
  4. FOREACH − loops through a block of code for each element in an array.

Video Tutorial How Does PHP While Do-While For & Foreach Loops Works???



PHP FOR LOOP

<?php
  for ($i=0; $i < 10; $i++) {
    echo "loops $i </br>";
  }
?>

PHP DO-WILE LOOP

<?php
  $a = 0;
  do {
    echo "Loops $a </br>";
    $a++;
  } while ($a <= 10);
    echo "Loops end";
?>

PHP WHILE LOOP

<?php
  $a = 0;
  while ($a <= 10) {
    echo "Loops $a <br>";
    $a++;
  }
?>

PHP FOREACH

<?php
  $a = array(0,1,2,3,4,5,7,8);
  foreach ($a as $key => $value) {
    echo "Loops $value <br>";
  }
?>

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