41 lines
1.1 KiB
PHP
41 lines
1.1 KiB
PHP
<?php
|
|
|
|
namespace MintyPHP\Support\Search;
|
|
|
|
class SearchQueryNormalizer
|
|
{
|
|
// Prepares a user query for SQL LIKE. Escapes \ and _ (LIKE special chars),
|
|
// converts * to %, and wraps with % wildcards if not already present.
|
|
public static function normalizeLikeQuery(string $query): string
|
|
{
|
|
$query = trim($query);
|
|
if ($query === '') {
|
|
return '';
|
|
}
|
|
|
|
$query = str_replace('\\', '\\\\', $query);
|
|
$query = str_replace('_', '\\_', $query);
|
|
$query = str_replace('*', '%', $query);
|
|
|
|
if (!str_starts_with($query, '%')) {
|
|
$query = '%' . $query;
|
|
}
|
|
if (!str_ends_with($query, '%')) {
|
|
$query .= '%';
|
|
}
|
|
|
|
return $query;
|
|
}
|
|
|
|
// Strips wildcard chars for relevance scoring — score queries need a clean term, not a LIKE pattern.
|
|
public static function normalizeScoreQuery(string $query): string
|
|
{
|
|
$query = trim($query);
|
|
if ($query === '') {
|
|
return '';
|
|
}
|
|
|
|
return str_replace(['*', '%', '_'], '', $query);
|
|
}
|
|
}
|