Brent Baisley wrote:
> foreach($insert as $table => $fields) {
> $fieldList = array_keys($fields);
> $fieldNames = implode(',', $fieldList);
> $fieldValues = '"'.implode('","', $fields).'"';
> echo 'insert into '.$table.' ('.$fieldNames.') values
> ('.$fieldValues.')';
> }
>
> That puts double quotes around the values.
Which is not valid SQL, so won't work on most SQL engines.
[Though MySQL may be forgiving in this regard...]
$fieldValues = implode("', '", $fields);
would work on all standard SQL engines if ALL the fields were text (or
non-numeric).
Or, in MySQL, for integer/float as well, as MySQL lets you get away with
bogus (non-standard) apostrophes on numeric field values, so this will
"work" for MySQL even though it's morally wrong :-)
To make it really portable (standard SQL), you'd want to query your
database as to the type of each field and put apostrophes only around
non-numeric field values.
Or you could have some other way of keeping track of what's numeric and
what's not, of course.
> I always use single quotes
> around my text pieces since PHP doesn't parse what's inside them, thus
> it's supposed to be faster.
It's not measurably faster.
Even apostrophes have *some* internal processing (for embedded ' and \) so
there is no real difference in speed.
Benchmark it on your own machine to confirm.
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