Example of getting the value in the checkbox in php

There are checkboxes as follows:

table tennis
Computer
Singing

Example 1, get the value of the check box.

$loves=$_post['loves']; //Get the array;
$loves=implode(",", $loves); //Convert the array into a string;

Example 2, get the value of the check box.

if(!empty($_post['loves'])){ //!empty($_post['loves'])
 $loves=$_post['loves'];
 echo(' Your selection result is:');
 for($i=0; $i
 echo($_post['loves'][$i]. ' ');
 }
 print_r($loves);
 $pid = implode(",",$loves);
}