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<?php
namespace PiedWeb\TextSpinner;
class Spinner
{
public static function spin(string $text): string
if (! preg_match('/\{(.*)\}/si', $text)) {
return self::removeExtraSpaces($text);
} else {
preg_match_all('/\{([^{}]*)\}/si', $text, $matches);
$occur = count($matches[1]);
for ($i = 0; $i < $occur; ++$i) {
$words = explode('|', $matches[1][$i]);
shuffle($words);
$text = self::replaceOnce($matches[0][$i], $words[0], $text);
}
return self::spin($text);
protected static function replaceOnce(string $search, string $replace, string $subject): string
$firstChar = strpos($subject, $search);
if (false !== $firstChar) {
$beforeStr = substr($subject, 0, $firstChar);
$afterStr = substr($subject, $firstChar + strlen($search));
return $beforeStr.$replace.$afterStr;
return $subject;
protected static function removeExtraSpaces(string $text): string
return preg_replace('/\s+/', ' ', $text);
PiedWeb /
TextSpinner
