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@ 2015-09-28T13:09:42Z

<?php

$number = ['1,2', 1, ''];
foreach ($number as $val) {
    if (!empty($val)) echo "val: $val is_numeric ".is_numeric(number_format($val))."\n\r";
}
echo 'string:'.is_numeric(number_format('lalalal1,2'));

Output
Performance
VLD
References
Branches

is_numeric: documentation ( source)
number_format: documentation ( source)

preferences:dark modelive preview

44.6 ms | 402 KiB | 5 Q