Friday, 13 April 2018

How to array use in a PhP?

  • Array is a collection Similar data,Basically array is use for group of value.
Example:-
<?php
$names=array(‘mark’,’john’,’bob’);
echo $names[1];
?>

OUTPUT:-
john

  • The another methods is-
Example:-
<?php
$names=array(‘Mark’,’John’,’Bob’);
$names[3]=’July’;                                  //This is use for add another value.
$names[4]=’Castor Classes’;                 //This is use for add another value.
print_r($names);                                   //Print all value on output screen.
?>

OUTPUT:-
Array ( [0] => Mark [1] => John [2] => Bob [3] => July [4] => Castor Classes )

Multidimensional Array in PhP

  • PHP multidimensional array is also known as array of arrays. It allows you to store tabular data in an array. PHP multidimensional array can be represented in the form of matrix which is represented by row * column.
Syntax:-
$emp = array
  (
  array(1,“sonoo”,400000),
  array(2,“john”,500000),
  array(3,“rahul”,300000)
  );
Example:-
<?php
/*
students
Name Age Weight
Mark 15 46
John 13 65
Tom 14 56
*/
$students=array(array(‘Name’=>’Mark’,’Age’=>15,’Weight’=>46),
array(‘Name’=>’John’,’Age’=>13,’Weight’=>65),
array(‘Name’=>’Tom’,’Age’=>14,’Weight’=>56));
echo $students[0][‘Name’].’ ‘;
echo $students[1][‘Age’].’ ‘;
echo $students[2][‘Weight’].'<br>’;
echo $students[0][‘Name’].’ ‘;
echo $students[1][‘Age’].’ ‘;
echo $students[2][‘Weight’].'<br>’;
echo $students[0][‘Name’].’ ‘;
echo $students[1][‘Age’].’ ‘;
echo $students[2][‘Weight’].'<br>’;
?>

OUTPUT:-
Mark 15 46
Mark 14 65
Mark 13 56

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