notice: array to string conversion in php mysql code example

Example 1: Array to String Conversion in PHP

$gadget = array( 'computer', 'mobile', 'tablet' );
echo implode($arr);

Example 2: Notice: Array to string conversion php

// suppress the Notices:
error_reporting(0);
print(array(1,2,3));    //Prints 'Array' without a Notice.