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Re: resolved?? Re: How to transfer value to iframe?

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Thomas 'PointedEars' Lahn wrote:

> Norman Peelman wrote:
>> On 10/10/2013 01:01 PM, richard wrote:
>>> On Wed, 9 Oct 2013 22:32:22 -0400, richard wrote:
>>>> http://mroldies.net/200/audiox.php
>>>>
>>>> First, the sound will work only in firefox.
>>>> So don't go bashing me for that.
>>>
>>>
>>> <?php
>>> $number=$numbers[0];
>>> echo '<iframe id="x1" src="audiox1.php?asong='.$number.'"
>>> name="alpha"></iframe>';
>>> ?>
>>>
>>> At least the first number is now displayed.
>> 
>> echo "<iframe id=x1
>> src='audiox1.php?asong=$number&name=$alpha'></iframe>";
> 
> The safe syntax is
> 
>   echo "<iframe id=x1
> src='audiox1.php?asong={$number}&name={$alpha}'></iframe>";

Actually, that is the safe *PHP* syntax (after the line-break is removed).  
HTML requires another change:

  echo "<iframe id=x1"
     . " src='audiox1.php?asong={$number}&amp;name={$alpha}'></iframe>";

AISB, conversion of ”&” to “&amp;” or &#38; can and should be done with 
PHP's htmlentities() or htmlspecialchars(), respectively.  And “echo” should 
not be used like above, but like below:

  <iframe id="x1" src="audiox1.php?asong=<?php echo $number; 
?>&amp;name=<?php echo htmlspecialchars($alpha); ?>"></iframe>

PHP 5.4 and PHP < 5.4 with corresponding php.ini configuration support

  <iframe id="x1" src="audiox1.php?asong=<?= $number ?>&amp;name=<?= 
    htmlspecialchars($alpha) ?>"></iframe>

and

  <iframe id="x1" src="audiox1.php?asong=<%= $number %>&amp;name=<%=
    htmlspecialchars($alpha) %>"></iframe>
  
respectively.  Usually you would use a template engine or the MVC pattern:

  <iframe id="x1"
          src="audiox1.php?asong=<?= $this->number ?>&amp;name=<?=
            $this->escape($this->alpha) ?>"></iframe>

This is explained and recommended in the first chapter of the PHP manual.


PointedEars  
-- 
    realism:    HTML 4.01 Strict
    evangelism: XHTML 1.0 Strict
    madness:    XHTML 1.1 as application/xhtml+xml
                                                    -- Bjoern Hoehrmann

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How to transfer value to iframe? richard <noreply@example.com> - 2013-10-09 22:32 -0400
  Re: How to transfer value to iframe? David Robley <me@home.invalid> - 2013-10-10 13:43 +1030
    Re: How to transfer value to iframe? richard <noreply@example.com> - 2013-10-09 23:31 -0400
      Re: How to transfer value to iframe? David Robley <me@home.invalid> - 2013-10-10 14:20 +1030
        Re: How to transfer value to iframe? richard <noreply@example.com> - 2013-10-10 00:01 -0400
          Re: How to transfer value to iframe? Jeff North <jnorthau@yahoo.com.au> - 2013-10-10 15:40 +1100
            Re: How to transfer value to iframe? richard <noreply@example.com> - 2013-10-10 00:51 -0400
              Re: How to transfer value to iframe? "J.O. Aho" <user@example.net> - 2013-10-10 07:10 +0200
            Re: How to transfer value to iframe? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-10-11 01:15 +0200
      Re: How to transfer value to iframe? Denis McMahon <denismfmcmahon@gmail.com> - 2013-10-10 13:25 +0000
  Re: How to transfer value to iframe? Denis McMahon <denismfmcmahon@gmail.com> - 2013-10-10 13:12 +0000
  resolved?? Re: How to transfer value to iframe? (was: How to transfer value to iframe?) richard <noreply@example.com> - 2013-10-10 13:01 -0400
    Re: resolved?? Re: How to transfer value to iframe? richard <noreply@example.com> - 2013-10-10 13:28 -0400
      Re: resolved?? Re: How to transfer value to iframe? Derek Turner <frderek@cesmail.net> - 2013-10-10 17:39 +0000
        Re: resolved?? Re: How to transfer value to iframe? richard <noreply@example.com> - 2013-10-10 15:47 -0400
          Re: resolved?? Re: How to transfer value to iframe? Denis McMahon <denismfmcmahon@gmail.com> - 2013-10-10 21:31 +0000
            Re: resolved?? Re: How to transfer value to iframe? richard <noreply@example.com> - 2013-10-10 19:45 -0400
              Re: resolved?? Re: How to transfer value to iframe? The Natural Philosopher <tnp@invalid.invalid> - 2013-10-11 01:45 +0100
              Re: resolved?? Re: How to transfer value to iframe? Evan Platt <evan@theobvious.espphotography.com.invalid> - 2013-10-11 08:17 -0700
              Re: resolved?? Re: How to transfer value to iframe? Denis McMahon <denismfmcmahon@gmail.com> - 2013-10-11 15:27 +0000
                Re: resolved?? Re: How to transfer value to iframe? Evan Platt <evan@theobvious.espphotography.com.invalid> - 2013-10-11 21:21 -0700
          Re: resolved?? Re: How to transfer value to iframe? David Robley <me@home.invalid> - 2013-10-11 11:43 +1030
    Re: resolved?? Re: How to transfer value to iframe? Norman Peelman <npeelman@cfl.rr.com> - 2013-10-10 18:13 -0400
      Re: resolved?? Re: How to transfer value to iframe? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-10-11 01:37 +0200
        Re: resolved?? Re: How to transfer value to iframe? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-10-11 01:51 +0200
      Re: resolved?? Re: How to transfer value to iframe? richard <noreply@example.com> - 2013-10-10 19:43 -0400
        Re: resolved?? Re: How to transfer value to iframe? Norman Peelman <npeelman@cfl.rr.com> - 2013-10-10 22:30 -0400
          Re: resolved?? Re: How to transfer value to iframe? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2013-10-11 13:05 +0200
          Re: resolved?? Re: How to transfer value to iframe? Denis McMahon <denismfmcmahon@gmail.com> - 2013-10-11 15:39 +0000
            Re: resolved?? Re: How to transfer value to iframe? Norman Peelman <npeelman@cfl.rr.com> - 2013-10-11 19:04 -0400

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