regex - PHP - How do I convert string number to number -

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i have string this

$str = "one 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 nine";

with php language pattern can convert string:

$str = "1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9";

for php can this:

$string = "one 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 nine";  $replace = array(0,1,2,3,4,5,6,7,8,9); $search = array('zero', 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine');  echo str_ireplace($search, $replace, $string);

as fred -ii- pointed in comment str_ireplace trick insensitive replacement.


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