PHP Array

‘Array’ Example

<?php
$arr = array('one', 2, 'three');
$arr[] = 'the fourth element';
echo $arr[3]."<br>";
echo $arr[1];
?>

Output :

the fourth element
2

Array indexing

Example 1

<?php
  $arr1 = array( "Jan ", "Feb ", "Mar " );
  $arr2 = array( "11 ", "12 ", "13 " );
  $arr3 = array( "2001", "2002", "2003" );

  echo( $arr1[1] . $arr2[0] . $arr3[1] );
?>

Output :

Feb 11 2002.

Example 2

<?php
  $arr[0] = 32;
  $arr[1] = 52.15;
  $arr[2] = $arr[0] + $arr[1];

  echo "Result = "."$arr[0] + $arr[1] = $arr[2]";
 ?>

Output :

Result = 32 + 52.15 = 84.15.

Example 3

<?php
     $arr[] = "PHP";
     $arr[] = "C";
     $arr[] = "C++";
     $arr[] = "Java";
     $arr[] = "Perl";
     $arr[] = "Python";
     $arr[] = "Ruby";

     foreach($arr as $lang)
     {
          if(!strcmp($lang, "PHP")){
               print("<b>" . $lang . "</b> <br />");
          }else{
               print($lang . " <br />");
          }
     }
?>

Output :

PHP
C
C++
Java
Perl
Python
Ruby