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sqlite3 count query the number of rows with the same value, php code

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Release： 2016-07-06 13:51:48
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$sql=<<SELECT COUNT(*) FROM

WHERE DATE = $date
EOF;
$ret = $db->query($ sql);
echo "count:",$ret->numColumns();

I want to use the above code to find the number of rows containing the same value in the DATE column in the table, but the result is 1 every time, and the number of rows that meet the requirements in the actual table is not 1. What is the problem? How can I modify it?

Reply content:

$sql=<<SELECT COUNT(*) FROM

WHERE DATE = $date
EOF;
$ret = $db->query($ sql);
echo "count:",$ret->numColumns();

I want to use the above code to find the number of rows containing the same value in the DATE column in the table, but the result is 1 every time, and the number of rows that meet the requirements in the actual table is not 1. What is the problem? How can I modify it?

The sqlite statement is no problem. The problem lies behind. By performing var_dump on the results obtained by executing fetchArray on $ret, we can find that
array (size=1)
'COUNT(*)' => int 1
Therefore, we can use $arr['COUNT(* )']Output the correct result

Next time try more before asking questions, my bad

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php sqlite
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