Différences

Ci-dessous, les différences entre deux révisions de la page.

--- info:myphp:search-and-replace [2026/03/05 08:55] – radeff
+++ info:myphp:search-and-replace [2026/03/05 09:48] (Version actuelle) – radeff
@@ Ligne 1: / Ligne 1: @@
-====== PHP, search and replace ======
+====== PHP search / replace ======
+===== Version 1 =====
+<code>
+<?php
+function replacestring($search,$replace,$subject) {
+    $srchlen=strlen($search);    // lenght of searched string
+    if ($srchlen==0) return $subject;
+    $find = $subject;
+    while ($find = stristr($find,$search)) {    // find $search text in $subject - case insensitiv
+        $srchtxt = substr($find,0,$srchlen);    // get new search text
+        $find=substr($find,$srchlen);
+        $subject = str_replace($srchtxt,$replace,$subject);    // replace founded case insensitive search text with $replace
+    }
+    return $subject;
+}
+$a="Hello world, hello world, hello World, HelLo WOrld";
+echo replacestring("hello","<b>hello</b>",$a);
+?> </code>
+===== Version 2 =====
 <code>
 <?php