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Alex Rivera
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In PHP, I have an array of variables that are ALL strings. Some of the values stored are numeric strings with commas. What I need: A way to trim the commas from strings, and ONLY do this for numeric strings. This isn't as straightforward as it looks. The main reason is that the following fails: $a = "1,435"; if(is_numeric($a)) $a = str_replace(',', '', $a); This fails because $a = "1435" is numeric. But $a = "1,435" is not numeric. Because some of the strings I get will be regular sentences with commas, I can't run a string replace on every string.
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