- substr_replace: documentation ( source)
- stripos: documentation ( source)
<?php
$replacement = '%é%';
$cond = 'noticia.noticia_titulo LIKE ? OR noticia.noticia_conteudo LIKE ?';
$posItem = stripos($cond, '?');
$cond = substr_replace($cond, $replacement, $posItem, 1);
$posItem = stripos($cond, '?');
$cond = substr_replace($cond, $replacement, $posItem, 1);
echo $cond;