3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = array( 0, '', '0', 1, '1', '1.1', '1a1', '1e1', 'asdf' ); $result = array(); foreach ($test as $val) { $result[] = filter_input($val, FILTER_VALIDATE_FLOAT); } var_dump($test);

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