php get variables

get variables
method="get"	not submit to another , used to display to customers
<?php
echo $_GET| 'year'|;	whenever u submit, it will print the data entered in the respective elements like year we used in this
?>
<form action = "index.php" method ="GET">
Day: <br> <input type="text" name="day" > <br> <br>
month: <br> <input type="text" name="month" > <br> <br>
year: <br> <input type="text" name="year" > <br> <br>
<input type ="submit" value="submit">
</form>
is submit entered
<?php
if (isset( $_GET|'DAY'|)&& isset( $_GET|'MONTH'|) && isset( $_GET|'YEAR'|) ) {
echo 'ok';
}
?>
check all fields entered , if entered go to one side, if not go to another side
<?php
if (isset( $_GET|'DAY'|)&& isset( $_GET|'MONTH'|) && isset( $_GET|'YEAR'|) ) {	isset(true ) it will execute insidestatement- get the day into day varaible and get the data into month like that
$day = $ GET['DAY'];
$month = $ GET['MONTH'];
$year = $ GET['YEAR'];
if(!empty ($day) && !empty ($month) && !empty ($year) ){	day is not equal to empty  then preint ok , if equal to empty
echo 'ok';	means if u not enteres any cell, it tells ple fil al fields
}else {	eventhough u n ot enetrs
echo ' <> filll in all the fields .';
}
}
?>
draw backs of get - if the form length is too much, then url shown as large
if password is entered- if it shows in url, its also a negative
how to verify the data entererd in input elements boxes, and all are entered  execute on statement or show their entered data
post variables -index.php
<?php
if (isset( $_POST|'DAY'|)&& isset( $_POST|'MONTH'|) && isset( $_POST|'YEAR'|) ) {	IS SET IS MEANS IT IS SUBMITTED OR NOT
$day = $_POST['DAY'];
$month = $_POST['MONTH'];
$year = $_POST['YEAR'];
if(!empty ($day) && !empty ($month) && !empty ($year) ){
echo 'ok';
}else {
echo ' <> filll in all the fields .';
}
}
?>
<form action = "index.php" method ="POST">
Day: <br> <input type="text" name="day" > <br> <br>
month: <br> <input type="text" name="month" > <br> <br>
year: <br> <input type="text" name="year" > <br> <br>
<input type ="submit" value="submit">	it prints ist php and form next
</form>
how to print the data what customer entererd
<?php
if (isset( $_POST|'DAY'|)&& isset( $_POST|'MONTH'|) && isset( $_POST|'YEAR'|) ) {
$day = $_POST['DAY'];
$month = $_POST['MONTH'];
$year = $_POST['YEAR'];
if(!empty ($day) && !empty ($month) && !empty ($year) ){
ECHO '<h2> username: '[. $day . '</h2>';
ECHO '<h2> month: '[. $month . '</h2>';
ECHO '<h2> year: '[. $year . '</h2>';
}
}
?>

get method

form page

isset

$get_(day

isset

$get_(day

!empty($day)

isset

$_post[]

if else

action

form

name

isset

$_post[]

!empty($day)

how to check all data is entered on not how to check all data is entered, if entered do one thing how check is there any empty or not? how to compare if the data is entered or not how to transfer data from form name attribute page to variable  how to check that data is empty or not? how to give stateement if nothing or any one is entered make a form page using post to submit and redirect to index page after submit how to compare if the data is entered or not how to transfer data from form name attribute page to variable  how to check that data is empty or not? how to print what data entered by used