[SOLVED] highlight_string();

[The Little Guy]

in my database, I have a question, and sometimes the question has code with it.

 

it would look something like this in the database for example:

How would you replace a letter at a given position in a string?

 

<?php

    $a = 'fat';

?>

 

I would like to take that PHP, and place highlight_string(); around just the php portion, and not the question portion.

 

Anyone know the best way to do this?

[smc]

<?php

str_replace( "<?php", "highlight_string(", $questionFromDB );
str_replace( "?>", ");", $questionFromDB );

?>

 

If that doesn't work then do the get position in a string function (escapes me at the moment) and then isolate the section from that point to the end point.

[rhodesa]

Try this on for size:

 

<?php
  $text = 'How would you replace a letter at a given position in a string?

<?php
     $a = \'fat\';
?>';
  print nl2br(preg_replace('/(\<\?php.+?\?>)/se','highlight_string(\'\\1\',1)',$text));
?>

[The Little Guy]

@smc

 

doing that will only use highlight string as a string not a function.

[rhodesa]

the e modifier on regex will have it execute the replacement as PHP...i tested it and it looks good

[The Little Guy]

PERFECT!

[The Little Guy]

Do you know of a way for me to have the question bold with paragraph tags?

[rhodesa]

Add some style:

 

<style type="text/css">
  .question {
    font-weight: bold;
  }
  .question code {
    font-weight: normal;
  }
</style>
<p class="question"><?php print nl2br(preg_replace('/(\<\?php.+?\?>)/se','highlight_string(\'\\1\',1)',$text));?></p>

[The Little Guy]

OMG, I was trying to be too complex with the css

 

Thanks you way works!

[Orio]

You should also add the "i" modifier for opening tags like <?PHP.

 

Orio.

[rhodesa]

You should also add the "i" modifier for opening tags like <?PHP.

 

Orio.

 

good call on the i