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Javascript PHP:获取关联数组中的最后一个唯一元素_Javascript_Php_Arrays - Fatal编程技术网

Javascript PHP:获取关联数组中的最后一个唯一元素

Javascript PHP:获取关联数组中的最后一个唯一元素,javascript,php,arrays,Javascript,Php,Arrays,我有一个循环的 $TOTAL_GOALS = 5; for($i= 1; $i<=$TOTAL_GOALS; $i++) { $EACH_POST_QUERY = mysql_query("SELECT item_id FROM likes WHERE item_id='$i'"); $EACH_POST_TOTAL_LIKES = mysql_num_rows($EACH_POST_QUERY); $EACH_POST_RESULT = array();

我有一个循环的

$TOTAL_GOALS = 5;
for($i= 1; $i<=$TOTAL_GOALS; $i++) {
    $EACH_POST_QUERY = mysql_query("SELECT item_id FROM likes WHERE item_id='$i'");
    $EACH_POST_TOTAL_LIKES = mysql_num_rows($EACH_POST_QUERY);
    $EACH_POST_RESULT = array();
    $EACH_POST_RESULT[$i] = $EACH_POST_TOTAL_LIKES;
}
控制台仅显示最后一个条目。为什么数组会覆盖值并存储最后一个值


缺少什么?

您每次在循环中都在创建
数组。我建议您使用
MySQL-Between子句在单个查询中实现这一点,如果您想一次获得所有参数的计数的话

试试这个:

$TOTAL_GOALS=5;
$EACH_POST_RESULT=array();

对于($i=1;$i您每次都在循环中创建
array
。如果希望一次获得所有参数的计数,我建议您使用
MySQL-Between子句在单个查询中实现这一点

试试这个:

$TOTAL_GOALS=5;
$EACH_POST_RESULT=array();

对于($i=1;$i您需要在循环之前移动此行:

$EACH_POST_RESULT = array();

否则每次都会被一个空数组替换!

您需要在循环之前移动此行:

$EACH_POST_RESULT = array();
否则每次都会被一个空数组替换