[英]Filtering dynamically generated search results in php
項目背景
首先,我會說我不是php方面的佼佼者,並且不是所有帳戶的初學者,但是我嘗試為我的大學項目創建基於php的搜索。
這是一個冰沙食譜網站,首先,用戶將通過鍵入關鍵字進行搜索,這將生成搜索結果。 這部分我很好。 但是,在篩選結果時,我真的很努力。 用戶應能夠按水果/蔬菜/冰沙類型以及關鍵字本身進行過濾。 例如:
關鍵字=蘋果過濾器=芒果(水果過濾器),菠菜(蔬菜過濾器)排毒(類型過濾器)
但是,當前發生的事情是,我將獲得蘋果,芒果,菠菜和排毒冰沙的所有實例。 除此之外,例如,如果冰沙同時包含蘋果和芒果,它將產生兩次冰沙。 我知道我需要在這里的某個地方包含array_unique(),但我真的不知道在哪里。
的PHP
到目前為止,這是我的PHP:`
$dbhost = '*';
$dbuser = '*';
$dbpass = '*';
$dbname = '*';
$k = $_GET['k'];
$terms = explode(" ", $k);
//START THE QUERY HERE
$query = "SELECT * FROM search";
//FROM THE VIEW FIND OUT IF THE USER HAS CLICKED ON ANY FRUITS.
//IF SO THEN JOIN THE SEARCH_METADATA TABLE TO THE QUERY SO YOU CAN FIND ALL THE POSSIBLE FRUITS
if (!empty($_GET['fl-Fruit'])) {
$query .= ' INNER JOIN search_metadata ON search_id = search.id';
}
//START THE WHERE CLAUSE HERE
$query .= ' WHERE ';
//FIRST LOOK FOR THE SEARCH TERM THE USER ENTERED
foreach ($terms as $each){
$i++;
if ($i == 1)
$query .= " keywords LIKE '%$each%' ";
else
$query .= " OR keywords LIKE '%$each%' ";
}
//ONCE THE SEARCH TERM HAS BEEN FOUND
//TODO ==== RUN CHECKS FOR VEG AND TYPE OPTIONS
if (isset($_GET['fl-Fruit'])) {
//SET ALL THE GET VARIABLES TO NEW VARIABLES JUST FOR MAKING IT EASIER TO READ
$fruits = $_GET['fl-Fruit'];
//FOREACH FRUITS SELECTED FROM THE FACET SEARCH
//RUN THROUGH EACH ONE IN THE WHERE CLAUSE.
foreach ($fruits as $fruit) {
$query .= " XOR value = '$fruit' ";
}
}
if (isset($_GET['fl-veg'])) {
//SET ALL THE GET VARIABLES TO NEW VARIABLES JUST FOR MAKING IT EASIER TO READ
$vegetables = $_GET['fl-veg'];
//FOREACH FRUITS SELECTED FROM THE FACET SEARCH
//RUN THROUGH EACH ONE IN THE WHERE CLAUSE.
foreach ($vegetables as $veg) {
$query .= " XOR value = '$veg' ";
}
}
if (isset($_GET['fl-s-type'])) {
//SET ALL THE GET VARIABLES TO NEW VARIABLES JUST FOR MAKING IT EASIER TO READ
$types = $_GET['fl-s-type'];
//FOREACH FRUITS SELECTED FROM THE FACET SEARCH
//RUN THROUGH EACH ONE IN THE WHERE CLAUSE.
foreach ($types as $type) {
$query .= " XOR value = '$type' ";
}
}
var_dump($query);
echo '<h1>' ."Your search results for $k". '</h1>';
//CONNECT TO DATABASE
mysql_connect("$dbhost", "$dbuser", "$dbpass");
mysql_select_db("$dbname");
$query = mysql_query($query);
$numrows = mysql_num_rows($query);
if ($numrows > 0) {
while ($row = mysql_fetch_assoc($query)) {
$id = $row ['id'];
$title = $row ['title'];
$description = $row ['description'];
$keywords = $row ['keywords'];
$link = $row ['link'];
echo "<div class='result'><img src='images/$id.jpg'><div class='result-text'><h2><a href='$link'>$title</a></h2>
<p>$description</p></div></div>";
}
}
else
echo "No results for <b>$k</b>";
?>`
HTML表格
<form class='form-wrapper' action='./search.php' method='get'>
<input id='search' type='text' name='k' value='<?php echo $_GET['k']; ?>' />
<input type='submit' id="submit" value='search'>
<div class="menu">
<strong><p class="menu-toggle"> Filter your search </p></strong>
</div>
<section class="filters">
<h2>Filter smoothies by Fruit:</h2>
<p>
<input type="checkbox" name="fl-Fruit[]" value="apple" id="apple">
<label for="apple">Apple</label>
</p>
...
<p>
<input type="checkbox" name="fl-Fruit[]" value="strawberries" id="strawberries">
<label for="strawberries">Strawberries</label>
</p>
<h2>Filter smoothies by veg:</h2>
<p>
<input type="checkbox" name="fl-veg[]" value="beetroot" id="beetroot">
<label for="beetroot">Beetroot</label>
</p>
...
<p>
<input type="checkbox" name="fl-veg[]" value="spinach" id="spinach">
<label for="spinach">Spinach</label><br>
</p>
<h2>Filter by smoothie type:</h2>
<p>
<input type="checkbox" name="fl-s-type[]" value="detox" id="detox">
<label for="detox">Supet Detox</label>
</p>
...
<p>
<input type="checkbox" name="fl-s-type[]" value="muscle" id="muscle">
<label for="muscle">Muscle Building</label>
</p>
</form>
桌子
我目前有兩個表“搜索”和“ search_metadata”。 “搜索”表包含用於關鍵字搜索的關鍵字,而“ search_metadata”表包含過濾器的屬性,並具有以下列“ search_id”(外鍵),“類型”(水果,蔬菜,類型),“值” ”(蘋果,胡蘿卜,排毒)。
只是重申我的要求:
我希望有足夠的信息/沒有太多的信息,如果我可以改善這個問題,請告訴我,因為這是我第一次在此處發布信息。
謝謝
我將處理SQL查詢本身中的搜索邏輯,而不是獲取所有“搜索”行並在PHP中進行過濾。 如果用戶搜索“蘋果”,並選擇“芒果”和“百香果”過濾器,則查詢示例為:
SELECT
*
FROM
Search AS s JOIN Search_Metadata AS sm USING( search_id )
WHERE
search_id = "apple" AND
sm.value IN
(
"mango", "passionFruit"
);
注意,是MySQL樣式語法。
有兩種方法可以構建這樣的查詢。 一種是簡單地在php中使用字符串操作。 另一種是使用“查詢生成器”庫,例如FluentPDO
我覺得您的數據庫設計需要重新考慮。
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