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Tag: php

PHP preg replace only allow numbers

How can I modify this existing preg_replace to only allow numbers? Answer I think you’re saying you want to remove all non-numeric characters. If so, D means “anything that isn’t a digit”:

Keep leading zeros with fgetcsv in PHP

I’m reading a .csv file (I have no control of the format of the file) and I’m trying to keep the leading zeros for the data in the resulting array. For instance, the .csv file has “0615” in …

Understanding ‘parse_str’ in PHP

I’m a PHP newbie trying to find a way to use parse_str to parse a number of URLs from a database (note: not from the request, they are already stored in a database, don’t ask… so _GET won’t work) So I’m trying this: Please note that here I am just supplying an example URL, in the…

php how to store and read json data via mysql?

php how to store and read json data via mysql? then, how to update data value? read out the data, then insert it with an json_encode and decode process, or only easy way update? then insert another change to [{“id”: “1”, “value”: “yes”},{“id”: &#8220…