php-foreach_Loop

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Table of Contents

• php-foreach_Loop
  • Loop on Arrays
    • Example 1
  • Keys and Values
    • Example 2
  • foreach Loop on Objects
    • Example 3
  • Document
  • Reference

Loop on Arrays

The most common use of the foreach loop, is to loop through the items of an array.

  <h4>PHP foreach Loop - Loop_on_Arrays</h4>
  <p>The most common use of the foreach loop, is to loop through the items of an array.</p>
  
  <?php
      $colors = array("red", "green", "blue", "yellow");

      foreach ($colors as $x) {
        echo "$x <br>";
      }

  ?>

Example 1

Result View Example

Keys and Values

Print both the key and the value from the $members array:

  <h4>PHP foreach Loop - Keys_and_Values</h4>
  <p>Print both the key and the value from the $members array:</p>
  
  <?php
      $members = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");

      foreach($members as $x => $x_value) {
        echo "Key=" . $x . ", Value=" . $x_value;
        echo "<br>";
      }

  ?>

Example 2

Result View Example

foreach Loop on Objects

The foreach loop can also be used to loop through properties of an object:

  <h4>PHP foreach Loop - foreach Loop on Objects</h4>
  <p>The foreach loop can also be used to loop through properties of an object:</p>
  
  <?php
      class Car {
          public $color;
          public $model;
          public function __construct($color, $model) {
            $this->color = $color;
            $this->model = $model;
          }
        }
        
        $myCar = new Car("red", "Volvo");
        
        foreach ($myCar as $x => $y) {
          echo "$x: $y <br>";
      }

  ?>

Example 3

Result View Example

Document

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Reference