Current File : //vendor/psy/psysh/src/Readline/Interactive/Suggestion/WordExtractor.php
<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2026 Justin Hileman
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Psy\Readline\Interactive\Suggestion;
/**
* Shared identifier extraction for suggestion/frecency logic.
*/
final class WordExtractor
{
/**
* Extract normalized identifier-like words from text.
*
* @return string[]
*/
public static function extractNormalizedIdentifiers(string $text): array
{
$words = [];
\preg_match_all(
'/(?:\$)?[a-zA-Z_\x80-\xff][a-zA-Z0-9_\x80-\xff]*/u',
$text,
$matches
);
foreach ($matches[0] as $word) {
$normalized = \strtolower(\ltrim($word, '$'));
if (\strlen($normalized) < 3) {
continue;
}
$words[] = $normalized;
}
return \array_unique($words);
}
}
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