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Asked: 2026-06-17T23:15:49+00:00

I am doing a migration and dates coming as ‘0000-00-00 00:00:00’ and running through

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I am doing a migration and dates coming as ‘0000-00-00 00:00:00’ and running through strtotime() and returning as false are saving as -2147483648 in the new table’s column, which is an INT datatype. No matter whether I set the default to 0 or NULL, it stills saves as that negative number. I want to avoid having to code exceptions for each date field (and I don’t have the option to change the datatype), so is there some easy way in PHP (using one line) or MySQL to have the default be set on these “empty” dates?

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1 Answer

  1. Editorial Team

    The time 0000-00-00 is outside the range of strtotime which is bounded by 1901-12-13 through 2038-01-19. It’s returning the lower bound on your broken data. This is common to nearly all UNIX time_t based functions.

    My advice is to replace those dates with NULL before processing. They’re not valid.

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