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August 12th, 2005, 01:21 PM #1261Banned
posts
PHP -> STRTR() function problem....
Hi,
I'm making a function to replace in a textbox: [b] for <b> ... and that kind of thing... [br] for <br>... etc, so somaone can write smilefaces and then I can replace that by a image [:-)] =>
my function is:
My problem is... there is a way to count the number of "[" (in this case) so if they don't match with the numer of "]" an error sintaxis appears... bicouse if someone write:PHP Code:function colorearTexto($str){
$RESERVED=array("[b]"=>"<b>","[/b]"=>"</b>","\n"=>"<br>"); //... etc
return strtr($str, $RESERVED);
}
hello [b]my name is [/b
... etc etc blabla
and forgot the "]", i don't want that all the text appears in bold...
or there is another way??
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August 12th, 2005, 01:32 PM #2261Banned
poststhere is a function to make something like this?
example: replace(" * ","<b> * </b>", $str); //being the * anything between the tags... ????????????
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August 12th, 2005, 01:34 PM #32,925bully
postsyour looking for regular expressions.
i'd recommend googling Regular Expressions... and checking out www.php.net/preg_replace
that should help you out
got pwnt?
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August 12th, 2005, 01:51 PM #4261Banned
postsYYYYYYYYEEEEEEEEEEEAAAAAAAAAAAAAAAA!!!!!!!!!!!!!!! ! THAnkS .harish YAEEAAAAAAAAAAA!!!!!
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August 12th, 2005, 02:06 PM #5261Banned
postsone last question, this function eliminate the "<script>" tags... but, how do I do to replace the "<script>...</script>" for "[script]...[/script]"
... I tell you this bicouse I don't know what this means: '@<script[^>]*?>.*?</script>@si'PHP Code:$busqueda = array ('@<script[^>]*?>.*?</script>@si');
$reemplazar = array ('');
$texto = preg_replace($busqueda, $reemplazar, $documento);
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August 12th, 2005, 02:09 PM #611,192pfff
postsWhat are you trying to do?
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August 12th, 2005, 02:24 PM #7261Banned
postsI 'm trying to make something like the Quick Reply feature of this forum... where I use tags [...] and are replaced by something... like the [_QUOTE_] tags (without the _ )
so I can make a function that take this :[-b]Bold[-/b] and return < b > Bold < / b >
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August 12th, 2005, 02:30 PM #811,192pfff
postsPHP Code:preg_replace('/\[b\](.*)\[/b]/i', /<b>{1}</b>/, $content);
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August 12th, 2005, 02:37 PM #9261Banned
postsThanks... that work! las question... what are all that simbols in the first arguments of the function preg_replace?? '/\[b\](.*)\[/b]/i' ??
whats the diference between:
preg_replace('/\[b\](.*)\[/b]/i', '/<b>${1}</b>/', $content);
and
preg_replace('[/b]!', '<b>${1}</b>', $content);Last edited by bandinopla; August 12th, 2005 at 02:40 PM.
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August 12th, 2005, 02:44 PM #1011,192pfff
postsThey're probably about equivalent.
/: start the regular expression (these must enclose the entire expression)
\: Escape the next character. It makes it so the next character doesn't mean anything.
[: the start of the pseudo-tag
b: the bold character
\: escape the meaning of the next character
]: the end of the pseudo-tag
(: start the area to remember, defined as a variable when replacing
.: any character
*: 0-Infinte number of the previous character
): close the variable
\: escape the next character
[: start pseudo-code
/: end tag slash
b: end tag b
\: escape next character (although not necessary, recommended). I forgot it in my last post.
]: end closing tag
/: end regular expression
i: make the regular expression case-insensitiveLast edited by Jeff Wheeler; August 12th, 2005 at 02:48 PM.
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August 12th, 2005, 02:47 PM #11261Banned
postsuuuooouu!!!!
YEEEAA!!!! Thats what I talking about!!! SUper THANKS nokrev
yea!!
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August 12th, 2005, 02:48 PM #1211,192pfff
postsnp
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August 12th, 2005, 02:48 PM #13659Procrastinator
postsHere's a working example that will work on any HTML tag. All the $documento's at the top are there for you to text and use.PHP Code:<?php
//$documento = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">';
//$documento = '<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">';
//$documento = ' <head>';
//$documento = ' <title> </title>';
//$documento = ' <script type="text/javascript" src="js.js"></script>';
//$documento = ' </head>';
//$documento = ' <body onload="myDate()">';
//$documento = ' <h1 class="top">Title</h1>';
$documento = ' <b>Some info</b>';
$busqueda = '/<([\/\!])?([\w]{1,})([^>]*)?>/i';
//$reemplazar = '[$1$2$3]';
$reemplazar = '[$1$2]';
$texto = preg_replace($busqueda, $reemplazar, $documento);
echo '<pre>' . $texto . '</pre>';
?>
There are two $reemplazar's there the one that's commented (with $1$2$3) would include everything that's included with the tag (id, classes, other HTML tag attributes).
So...if you used:
You would see:Code:$documento = ' <h1 class="top">Title</h1>';
It should work on any HTML tag you need.Code:// When $reemplazar = '[$1$2$3]'; // You'd see: [h1 class="top"]Title[/h1] // When $reemplazar = '[$1$2]'; // You'd see: [h1]Title[/h1]
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August 12th, 2005, 02:50 PM #1411,192pfff
posts
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August 12th, 2005, 02:53 PM #15261Banned
postsThanks Ankou!!
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