note 96340 added to function.nl2br

From: Date: Mon, 22 Feb 2010 06:18:52 +0000
Subject: note 96340 added to function.nl2br
Groups: php.notes 
Request: Send a blank email to php-notes+get-166242@lists.php.net to get a copy of this message
I needed the below nl2brPre function, but I also wanted it to not put the <br />'s inside a <table>. For example, the following code: <table> <tr> <td>Cell 1</td> <tr> </table> Should NOT become: <table><br /> <tr><br /> <td>Cell 1</td><br /> <tr><br /> </table><br /> Eric's code below doesn't work, but he has the right idea for properly checking the return value of strpos. I didn't include his fix for the <p> tag, since textarea input might not be in a <p> tag. I also added strtolower() when performing the strpos checks, because some users might not be using lower-case. I could've used stripos() but then this function wouldn't work in PHP4. <?php function nl2brPreTab($string) { // First, check for <pre> and <table> tags if((strpos(strtolower($string), "<pre>") === false) && (strpos(strtolower($string), "<table>") === false)) { return nl2br($string); } // If there is a <pre> or <table>, we have to split by line // and manually replace the linebreaks with <br /> $strArr=explode("\n", $string); $output=""; $preFound=false; $tableFound=false; // Loop over each line foreach($strArr as $line) { // See if the line has a <pre>. If it does, set $preFound to true if(strpos(strtolower($line), "<pre>") !== false) { $preFound=true; } elseif(strpos(strtolower($line), "</pre>") !== false) { $preFound=false; } // See if the line has a <table>. If it does, set $tableFound to true if(strpos(strtolower($line), "<table>") !== false) { $tableFound=true; } elseif(strpos(strtolower($line), "</table>") !== false) { $tableFound=false; } // If we are in a pre or table tag, just give a \n, else a <br /> if($preFound || $tableFound) { $output .= $line . "\n"; } else { $output .= $line . "<br />"; } } return $output; } ?> ---- Server IP: 69.147.83.197 Probable Submitter: 66.243.195.169 ---- Manual Page -- http://www.php.net/manual/en/function.nl2br.php Edit -- https://master.php.net/note/edit/96340 Del: integrated -- https://master.php.net/note/delete/96340/integrated Del: useless -- https://master.php.net/note/delete/96340/useless Del: bad code -- https://master.php.net/note/delete/96340/bad+code Del: spam -- https://master.php.net/note/delete/96340/spam Del: non-english -- https://master.php.net/note/delete/96340/non-english Del: in docs -- https://master.php.net/note/delete/96340/in+docs Del: other reasons-- https://master.php.net/note/delete/96340 Reject -- https://master.php.net/note/reject/96340 Search -- https://master.php.net/manage/user-notes.php

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