Hooks

function foo($id) {
   global $dblink;
 
   $row = $dblink->get_row("SELECT text FROM memht_foo WHERE id=$id");
   $text = outCode($row['text']);
 
   return $text
}

function foo($id) {
   global $dblink;
 
   $row = $dblink->get_row("SELECT text FROM memht_foo WHERE id=$id");
   $text = outCode($row['text']);
 
   $text = myModFunction($text);
 
   return $text
}

function foo($text) {
    global $dblink;
 
    if (memRunHooks('EventName',array($id))) {
 
        $row = $dblink->get_row("SELECT text FROM memht_foo WHERE id=$id");
        $text = outCode($row['text']);
 
        memRunHooks('EventNameEnd',array($id,&$text));
    }
 
    return $text;
}

<?php
 
$memHooks['ViewArticleEnd'][] = "putBannerInArticles"; //The $memHooks array content is the NAME of the function to run
 
function putBannerInArticles($args) {
    //This banner will be shown in the articles page, after the main text
    showBanner(N); 
}
 
?>

<?php
 
$memHooks['ViewArticle'][] = "putBannerInArticles"; //The $memHooks array content is the NAME of the function to run
 
function putBannerInArticles($args) {
    //This banner will be shown in the articles page, before the main text
    showBanner(N); 
}
 
?>

<?php
 
$memHooks['ViewArticle'][] = "showMyCustomArtPage";
 
function showMyCustomArtPage($args) {
 
    echo "<div>Article title: ".$args[2]."</div>";
    echo "<div>Author: ".$args[5]."</div>";
 
    return false; //Returning false, the original function content will not be executed, showing the injected code only
}
 
?>

<?php
 
$memHooks['SiteTitle'][] = "hooksTest";
 
function hooksTest($args) {
	$args[0] .= "HI, MY NAME IS HOOK - ";
}
 
?>