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<?php $float = array( 12.5, 12.000000001, 12.00000, 12, 12.41757445, 12.071774 ); foreach ($float as $i) { if (false === preg_match('/\d+.[^1-9]+/', $i)) { echo $i . PHP_EOL; echo round($i) . " match" . PHP_EOL; } }
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 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 - 8.3.7
preferences:
196.73 ms | 404 KiB | 259 Q