str-replace

I have an html page loaded into a PHP variable and am using str_replace to change certain words with other words. The only problem is that if one of these words appears in an important peice of code then the whole thing falls to bits. Is there any way to only apply the str_replace function to certain html tags? Particularly: p,h1,h2,h3,h4,h5 EDIT: The bit of code that matters: $yay = str_ireplace($find, $replace , $html); cheers and thanks in advance for any answers. EDIT - FURTHER CLARIFICATION: $find and $replace are arrays containing words to be found and replaced (respectively). $html is

why this code isn't working? I was trying to rename, switch location and other, but it seems to be str_replace bug. It would be nice, if somebody told me, what's wrong... This is my index.php <?php header('Content-Type:text/html;charset=utf-8'); session_start(); require_once ('inc/core.php'); $core = new core($_GET['viev']); this is core.php <?php class core{ var $template; var $view; public function __construct($view) { $this->template = $this->loadTemplate(); $this->view = $view; $this->loadView(); echo $this->template; } private function loadTemplate(){ if(file_exists('template/template

I have the string $var in which I need to replace some text. The first "X" needs to be replaced by "A", the second "X" needs to be replaced by B and so on, here is an example: <?php $var = "X X X X"; // input ... echo $var //the result: "A B C D" ?> I tried with str_replace but that doesn't work. Thanks You could use preg_replace 's limit argument to only replace once. <?php $var = 'X X X X'; $replace = array('A', 'B', 'C', 'D'); foreach($replace as $r) $var = preg_replace('/X/', $r, $var, 1); echo $var; ?> http://codepad.viper-7.com/ra9ulA You could use preg_replace_callback() : // as many as

My code is $words = array(); $links = array(); $result = mysql_query("SELECT `keyword`, `link` FROM `articles` where `link`!='".$act."' ") or die(mysql_error()); $i = 0; while($row = mysql_fetch_array( $result )) { if (!empty($row['keyword'])) { $words[$i] = '/(?<!(src="|alt="))'.$row['keyword'].'/i'; $links[$i] = '<a href="'.$row['link'].'.html" class="ared">'.$row['keyword'].'</a>'; $i++; } } $text = preg_replace($words, $links, $text); I want to replace Hello with Guys except img src and alt. From Say Hello my dear <img src="say-hello-my-dear.jpg" alt="say hello my dear" /> I want Say Guys