Create dynamic variable names in script form with new PHP
Posted: 02. April 2014 08:39Hi Everybody smart!
The case concerns the late determining dynamic variable names in script form that contains new versions of PHP
Variable is the created name of input field type=checkbox in the form defined as: $opcja_ row_z [0]
where $row_z [0] is unknown generated somewhere else. (ie. 29, 311, 108 ...etc).
Here for a simplicity we assumed $row_z [0] = 29;
[size = 2] This script works well in WAMP5 (Apache1.3, PHP 5.04)
while in XAMPP 1.8 (Apache2.4, PHP 5.47) does not recognize
interpreted the variable name opcja_29 received from checkbox form [/size]
When I mark the checkbox on and send the form I got the folliwing on the screen:
The state of checkbox "on" is delivered in $_GET but I cannot display it.
I may do echo $_GET['opcja_29'] , but "opcja_XX" is generated dynamicly, (so no solid variable name)
Could anyboby help to fix the issue?
And here is the code "4-00.php"
The case concerns the late determining dynamic variable names in script form that contains new versions of PHP
Variable is the created name of input field type=checkbox in the form defined as: $opcja_ row_z [0]
where $row_z [0] is unknown generated somewhere else. (ie. 29, 311, 108 ...etc).
Here for a simplicity we assumed $row_z [0] = 29;
[size = 2] This script works well in WAMP5 (Apache1.3, PHP 5.04)
while in XAMPP 1.8 (Apache2.4, PHP 5.47) does not recognize
interpreted the variable name opcja_29 received from checkbox form [/size]
When I mark the checkbox on and send the form I got the folliwing on the screen:
$_GET Array ( [opcja_29] => on )
opcja_29 : // <--- HERE SHOULD BE opcja_29 : on -- BUT NOT, WHY ? ? ?
Notice: Undefined variable: opcja_29 in C:\xampp-portable\htdocs\4-00.php on line 12
The state of checkbox "on" is delivered in $_GET but I cannot display it.
I may do echo $_GET['opcja_29'] , but "opcja_XX" is generated dynamicly, (so no solid variable name)
Could anyboby help to fix the issue?
And here is the code "4-00.php"
- Code: Select all
<HTML><HEAD><TITLE>Formularz</TITLE>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-2">
</HEAD><BODY>
<?php $row_z[0]=29;
$tmp = "opcja_$row_z[0]";
if(isset($_GET[$tmp]))
{ $temp = $_GET[$tmp];}else{ $temp = ""; }
print_r($_GET);
if ($temp) {
echo"<br> opcja_$row_z[0]"; echo" : ";
echo ${"opcja_$row_z[0]"};
print '<br><A HREF="4-00.php">Powrót do formularza</A>';
} else {
echo "<br> No data entered <br>";
print '<FORM ACTION="4-00.php" METHOD=GET>';
// print '<INPUT TYPE="text" NAME="opcja_29">';
print("<input type=checkbox name=\"opcja_$row_z[0]\" >");
print '<INPUT TYPE="submit" VALUE="Send">';
print '</FORM>';
}
?></BODY></HTML>