<?php
 
setlocale(LC_ALL, 'pt_BR.UTF-8');
 
function sanitize_title($title) {
	// substitui espaços por "-"
	$title = preg_replace('#\s+#', '-', $title);
 
	// faz a transliteração pra ASCII
	$title = iconv('UTF-8', 'ASCII//TRANSLIT//IGNORE', $title);
 
	// remove qualquer outra coisa inválida da url
	$title = preg_replace('#[^a-zA-Z0-9_-]+#', '', $title);
 
	return strtolower($title);
}
 
echo sanitize_title('César Sousa') . "\n";
echo sanitize_title('áéíóú@#_888999-teste outras  palavras');
 

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