Dear,I have a input text tag that it named question.
Also i have a 2 radio bottum.
When i receive their value,I want to test that
question tag is empty or not.If empty,I again send to
client until client fill out this tag.
Can u solve my problem?
<?php
function display_form()
{
echo "<form action=\"".$_SERVER['PHP_SELF']. "\"
method=\"post\">";
echo "Your question<input type=\"text\"
name=\"question\" "><br />";
echo "radio type <input type=\"radio\"
name=\"type_of_reply\" value=\"0\"><br />";
echo "check box type <input type=\"radio\"
name=\"type_of_reply\" value=\"1\"><br />";
echo "<input type=\"submit\">";
/* if (empty($HTTP_POST_VARS['question']))
{
echo "please fill out question field.";
display_form();
}//end of if*/
}//end of display_form func
function test_var()
{
if (empty($HTTP_POST_VARS['question']))
{
echo "please fill out question field.";
display_form();
}//end of if
}//end of func
function insert_to_question()
{
display_form();
while(empty($HTTP_POST_VARS['question']))
test_var();
}//end of insert_to_question func
insert_to_question();
?>
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