[PHP] Minimalistic BBcode script

[DZ]

Hello,

I found one minimalistic BBcode script, but it doesnt work.

        Warning: Unknown modifier '1' in f:\_php\_f\bb-code\test.php on line 32

line 32 is such:

        $t = preg_replace_callback( '/[('.$atag.')(=(.*))?](.*)[/1]/isU', 'nc', $s);

How to get work it?



Source is only 40 lines:

<?php

$tagid = array(
    'b' => '<b>%s</b>',
    'u' => '<u>%s</u>',
    'i' => '<i>%s</i>',
    'tsitaat' => '<blockquote><small><b>Tsitaat</b>:<hr>%s<hr></small></blockquote>',
    'url' => '<a href="%s">%s</a>',
    'mail' => '<a href="mailto:%s";>%s</a>',
    'img' => '<img src="%s" alt="%s">',
    'code' => '<font color="green">%s</font>',
    'kood' => '<font color="green">%s</font>',
    'color' => '<font color="%s">%s</font>',
    'size' => '<font size="%s">%s</font>'
);
$atag = join( '|', array_keys( $tagid));

/*
print '<p>allowed tags:</p>';
foreach( $tagid as $key => $value) {
echo "<b>$key</b><br>n";
}
*/

function nc( $s){
if ( $s[1] ) $s[4] = nk( $s[4]);
global $tagid;
return $s[1]?sprintf($tagid[$s[1]],(!empty($s[3])?$s[3]:$s[4]),$s[4]):$s[0];
}
function nk( $s){
global $atag;
$t = preg_replace_callback( '/[('.$atag.')(=(.*))?](.*)[/1]/isU', 'nc', $s);
return $t;
}

$text = "[b]bold text [i]mixed with[/b] italic[/i]";
echo nl2br( nk( htmlspecialchars( $text, ENT_NOQUOTES)));

?>

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