3v4l.org

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<?php $numbers = array( 2154151, '55454', '.04484787', 'bloadh', '6564.465.654', '5653.54' ); foreach($numbers as $num){ if(!$number = filter_var($num, FILTER_VALIDATE_FLOAT)){ echo "$num is invalid"; }else{ echo "$num is valid"; } } ?>

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