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Php keep only numbers in string

Php get only numbers from string

$str = 'In My Cart : 11 items';
$int = (int) filter_var($str, FILTER_SANITIZE_NUMBER_INT);

2

Php keep only numbers in string

$str = preg_replace('/[^0-9.]+/', '', $str);

1

Php keep only letters and numbers

$result = preg_replace("/[^a-zA-Z0-9]+/", "", $s);

0

Source: stackoverflow.com

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