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删除去除二维数组中相同元素与数组重复值实例

function assoc_title($arr, $key)
{
    $tmp_arr = array();
    foreach ($arr as $k => $v) {
        if (in_array($v[$key], $tmp_arr)) {
            unset($arr[$k]);
        } else {
            $tmp_arr[] = $v[$key];
        }
    }
    return $arr;
}//assoc_title end

$key_title = 'stu_name';
$quchong = assoc_title($teachers, $key_title);


echo "<table border=\"1\" bordercolor=\"#CCCCCC\" cellpadding=\"0\" cellspacing=\"0\" style=\"border-collapse:collapse\" width=\"20%\">";
echo "<tr><td>id</td><td>学生名</td><td>电话</td></tr>";
$i = 1;
foreach ($quchong as $key => $vale) {
    if ($vale['stu_name'] == "游开琳" or $vale['stu_name'] == "韩建通") {

        continue;
    }

    echo "<tr><td>{$i}</td><td>{$vale['stu_name']}</td><td>{$vale['tel']}</td></tr>";
    $i++;

}

echo "</table>";