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run code in 300+ PHP versions simultaneously
<?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 [1]', 'AA [1]'));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true)
preferences:
206.69 ms | 406 KiB | 327 Q