Is the first value for COLUMN_ID in SQLLite “_id” is 1 or 0

I just need to know if the default first value for COLUMN_ID is one or zero?


default first value for COLUMN_ID is zero.

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Given the hash-generating script in php, how do I post the resultant hash?

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The resultant hashcode was requested by a payments processor. I already had most of the information they requested posting correctly, now they require this hashcode. I don't understand the format ...

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