3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function shouldUpdateUsername($source, $existing) { if ($source !== $existing) { $pattern = sprintf('/%s \[\d+\]/', preg_quote($source, '/')); $processedBefore = preg_match($pattern, $existing) !== 1; $sourceAvailable = false; return $sourceAvailable || $processedBefore; } return false; } var_dump(shouldUpdateUsername('A', 'AA'));
based on lU3rN
Output for 4.3.0 - 7.1.0
bool(true)