how to take input in php code example

Example 1: how to request user input in php

<?php
echo "What do you want to input? ";
$input = rtrim(fgets(STDIN));
echo "I got it:\n" . $input;

Example 2: php //input

$_MYSQL_DATA = array();
 while($row = mysqli_fetch_assoc($qry))
 {
    $_MYSQL_DATA[] = $row;
 }