Array in php

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PHP Array used to store the multiple values of similar type in a single variable. In PHP array may be declared as following.

$course=array(“bca”,”BE”,”Btech”);

There are 3 types of array in php

1 Indexed Array

2 Associative Array

3 Multidimensional Array.

PHP Program on indexed PHP Array

 <html>
 <body bgcolor="grey">
 <center>
 <?php 
 $city=array("delhi","new york" ,"london");
 // following display all city and count function gives the length of array.
 for($i=0 ;$i<(count($city));$i++)
 {
  echo"<br> $city[$i]";
 }
 ?>
 </center>
 </body>
 <html>

Output of the above program is as follows

Associative Array in PHP

PHP Associative Array used to store values in pair with key and value as following.

$student=array(“name”=>”john”, “course”=>”Btech”);

 <html>
 <body bgcolor="grey">
 <center>
 <?php 
 $emp=array("empId"=>"101","empName"=>"Ram","dept"=>"IT");
 // Now we can print the array values with keyname

echo"empId=".$emp['empId']."EmpName=".$emp['empName']."dept=".$emp['dept'];
?>
</center>
</body>
</html>

Output of the above program is as follows

Multi dimensional Array in PHP

PHP Multi Dimensional Array is an array of array and may be defined as in following php program. in which 3 employee details stored in a single array.

 <html>
 <body bgcolor="gray">
 <center>
 <?php
 $employees=array(
            array(101,"ram","HR"),
            array(102,"shyam","IT"),
            array(103,"ghanshaym","Account")
                 );
     for($i=0; $i<3; $i++) //loop to print all three records)
      {
       echo "<br>Empid=".$employees[$i][0]." name=".$employees[$i][1]." Dept=".$employees[$i][2];
      }
  ?>
  </center>
  </body>
  </html>

Output of the above program is as follows

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Array in PHP

PHP Program on indexed PHP Array

Associative Array in PHP

Multi dimensional Array in PHP

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