如何从数据库中获取特定单词之间的单词数。例如
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| ID | DESCRIPTION |
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| 1 | Back to the drawing board. |
| 2 | Actions speak louder than words |
| 3 | Board is very large to
我在php中工作,其中我使用mysql。
这是我的函数,它以json格式返回结果。
function getTiming($placeId) {
$sql = "SELECT * from place_timing where placeId='$placeId'";
$result = mysql_query($sql) or die ("Query error: " . mysql_error());
$records = array();
if (mysql_num_rows($result)==0)