How to search keywords in PHP? - javascript

I have a script. It work fine with against & exact match, but when I search with multiple keywords, it returns null and black page against my query.
Here is my code:
<!doctype html public "-//w3c//dtd html 3.2//en">
<html>
<head>
</head>
<body>
<?Php
ini_set('display_errors', true);//Set this display to display all erros while testing and developing the script
error_reporting(0);// With this no error reporting will be there
include "include/z_db.php";
$todo=$_POST['todo'];
$search_text=$_POST['search_text'];
if(strlen($serch_text) > 0){
if(!ctype_alnum($search_text)){
echo "Data Error";
exit;
}
}
////////// Displaying the search box /////
echo "<table>
<tr><td colspan=2 align='center'>";
echo "<form method=post action=''><input type=hidden name=todo value=search>
<input type=text name=search_text value='$search_text'><input type=submit value=Search><br>
<input type=radio name=type value=any checked>Match any where
<input type=radio name=type value=exact>Exact Match
</form>
";
echo "</td></tr>";
/////////// if form is submitted the data processing is done here///////////////
echo "<tr><td width='600' valign=top>";
if(isset($todo) and $todo=="search"){
$type=$_POST['type'];
$search_text=ltrim($search_text);
$search_text=rtrim($search_text);
if($type<>"any"){
$query="select * from student where name='$search_text'";
}else{
$kt=split(" ",$search_text);//Breaking the string to array of words
// Now let us generate the sql
while(list($key,$val)=each($kt)){
if($val<>" " and strlen($val) > 0){$q .= " name like '%$val%' or ";}
}// end of while
$q=substr($q,0,(strLen($q)-3));
// this will remove the last or from the string.
$query="select * from student where $q ";
} // end of if else based on type value
echo "<span style='background-color= #FFFF00'>$query</span><br>";
$count=$dbo->prepare($query);
$count->execute();
$no=$count->rowCount();
if($no > 0 ){echo " No of records = ".$no."<br><br>";
echo "<table><tr><th>ID</th><th>Name</th><th>Class</th><th>Mark</th><th>Sex</th></tr>";
foreach ($dbo->query($query) as $row){
echo "<tr><td>$row[id]</td><td>$row[name]</td><td>$row[class]</td>
<td>$row[mark]</td><td>$row[sex]</td></tr>";
}
echo "</table>";
}else {
echo " No records found ";
}
}// End if form submitted
echo "</td><td width='400' valign=top>";
echo " Full records here ";
$query="select * from student";
echo "<table><tr><th>ID</th><th>Name</th><th>Class</th><th>Mark</th><th>Sex</th></tr>";
foreach ($dbo->query($query) as $row){
echo "<tr><td>$row[id]</td><td>$row[name]</td><td>$row[class]</td>
<td>$row[mark]</td><td>$row[sex]</td></tr>";
}
echo "</table>";
echo "</td></tr></table>";
?>
</body>
</html>
<!doctype html public "-//w3c//dtd html 3.2//en">
<html>
<head>
<title>Demo of Search Keyword using PHP and MySQL</title>
</head>
<body>
<?Php
ini_set('display_errors', true);//Set this display to display all erros while testing and developing the script
error_reporting(0);// With this no error reporting will be there
include "include/z_db.php";
$todo=$_POST['todo'];
$search_text=$_POST['search_text'];
if(strlen($serch_text) > 0){
if(!ctype_alnum($search_text)){
echo "Data Error";
exit;
}
}
////////// Displaying the search box /////
echo "<table>
<tr><td colspan=2 align='center'>";
echo "<form method=post action=''><input type=hidden name=todo value=search>
<input type=text name=search_text value='$search_text'><input type=submit value=Search><br>
<input type=radio name=type value=any checked>Match any where
<input type=radio name=type value=exact>Exact Match
</form>
";
echo "</td></tr>";
/////////// if form is submitted the data processing is done here///////////////
echo "<tr><td width='600' valign=top>";
if(isset($todo) and $todo=="search"){
$type=$_POST['type'];
$search_text=ltrim($search_text);
$search_text=rtrim($search_text);
if($type<>"any"){
$query="select * from student where name='$search_text'";
}else{
$kt=split(" ",$search_text);//Breaking the string to array of words
// Now let us generate the sql
while(list($key,$val)=each($kt)){
if($val<>" " and strlen($val) > 0){$q .= " name like '%$val%' or ";}
}// end of while
$q=substr($q,0,(strLen($q)-3));
// this will remove the last or from the string.
$query="select * from student where $q ";
} // end of if else based on type value
echo "<span style='background-color= #FFFF00'>$query</span><br>";
$count=$dbo->prepare($query);
$count->execute();
$no=$count->rowCount();
if($no > 0 ){echo " No of records = ".$no."<br><br>";
echo "<table><tr><th>ID</th><th>Name</th><th>Class</th><th>Mark</th><th>Sex</th></tr>";
foreach ($dbo->query($query) as $row){
echo "<tr><td>$row[id]</td><td>$row[name]</td><td>$row[class]</td>
<td>$row[mark]</td><td>$row[sex]</td></tr>";
}
echo "</table>";
}else {
echo " No records found ";
}
}// End if form submitted
echo "</td><td width='400' valign=top>";
echo " Full records here ";
$query="select * from student";
echo "<table><tr><th>ID</th><th>Name</th><th>Class</th><th>Mark</th><th>Sex</th></tr>";
foreach ($dbo->query($query) as $row){
echo "<tr><td>$row[id]</td><td>$row[name]</td><td>$row[class]</td>
<td>$row[mark]</td><td>$row[sex]</td></tr>";
}
echo "</table>";
echo "</td></tr></table>";
?>
</body>
</html>
MySQL Connection:
<?php
global $dbo;
$info['dbhost_name'] = "localhost";
$info['database'] = "search"; // database name
$info['username'] = "root"; // userid
$info['password'] = ""; // password
$dbConnString = "mysql:host=" . $info['dbhost_name'] . "; dbname=" . $info['database'];
$dbo = new PDO($dbConnString, $info['username'], $info['password']);
$dbo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_SILENT);
//$dbo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
$error = $dbo->errorInfo();
if($error[0] != "") {
echo "string";
}
?>
Result after query submitted:

$q = array(); // create an array
$sq = ""; // this variable will be used in the query
if(isset($_POST['txt_projectname']) && !empty($_POST['txt_projectname'])){
$projectname = mysqli_real_escape_string($conn,$_POST['txt_projectname']);
$q[] = "db_projectname='".$projectname."' ";
} // take the variable from input after submit and put it in the array
if(isset($_POST['txt_location']) && !empty($_POST['txt_location'])){
$location = mysqli_real_escape_string($conn,$_POST['txt_location']);
$q[] = "db_location='".$location."' ";
}
$first = true;
foreach($q as $qu){
if($first){
$sq .= " where ".$qu;
$first = false;
}else{
$sq .= " and ".$qu;
} // for loop to use where and and in the query
}
$sql=mysqli_query($conn,"select * from table {$sq} ")or die(mysqli_error($conn));
You can do something like this

Related

PHP: javascript alert, with value from sql query, into IF condition

With the following code, a popup table should appear with sql query data, only when retrieved records are greater than 1.
$sql = "SELECT * FROM pt_locations WHERE country = ('$countryCode') AND location = ('$cityCode')";
$result = $conn->query($sql);
$rowcount=mysqli_num_rows($result);
$message = "Records found: " . $rowcount . "<br /><br />";
if ($rowcount > 1) {
echo '<script language="javascript">';
echo 'alert' .$message;
foreach($result as $val){
$id_country = $val["country"] ;
$id_code = $val["code"] ;
$id_location = $val["location"] ;
$id_latitude = $val["latitude"] ;
$id_longitude = $val["longitude"] ;
echo "<table border='1' cellpadding='5'>";
echo "<tr>";
echo "<td><i><strong>ID Code</strong></i></td><td>";
echo $id_code."</td>";
echo "<td><i><strong>Country</strong></i></td><td>";
echo $id_country."</td>";
echo "<td><i><strong>Code</strong></i></td><td>";
echo $code."</td>";
echo "<td><i><strong>Location</strong></i></td><td>";
echo $id_location."</td>";
echo "<td><i><strong>Latitude</strong></i></td><td>";
echo $id_latitude."</td>";
echo "<td><i><strong>Longitude</strong></i></td><td>";
echo $id_longitude."</td>";
echo "</tr>";
echo "</table><br /><br />";
}
echo '</script>';
}
Recording counts are done correctly, but I can not make the popup appear in any way.
try this. Hope this help you.
$sql = "SELECT * FROM pt_locations WHERE country = ('country') AND
location = ('location')";
$result = $conn->query($sql);
$rowcount=mysqli_num_rows($result);
$message = "Records found: " . $rowcount;
if ($rowcount > 1) {
echo '<script language="javascript">';
echo 'alert("'.$message.'")';
echo '</script>';
while($val=mysqli_fetch_assoc($result)){
$id_country = $val["country"] ;
$id_code = $val["code"] ;
$id_location = $val["location"] ;
$id_latitude = $val["latitude"] ;
$id_longitude = $val["longitude"] ;
echo "<table border='1' cellpadding='5'>";
echo "<tr>";
echo "<td><i><strong>ID Code</strong></i></td><td>";
echo $id_code."</td>";
echo "<td><i><strong>Country</strong></i></td><td>";
echo $id_country."</td>";
echo "<td><i><strong>Code</strong></i></td><td>";
echo $code."</td>";
echo "<td><i><strong>Location</strong></i></td><td>";
echo $id_location."</td>";
echo "<td><i><strong>Latitude</strong></i></td><td>";
echo $id_latitude."</td>";
echo "<td><i><strong>Longitude</strong></i></td><td>";
echo $id_longitude."</td>";
echo "</tr>";
echo "</table><br /><br />";
}
}
There are some errors, because for logic you must put the alert at the end of the table complete, just for logic and after you put alert something without brakets and you open a script before the foreach loop and after the foreach loop you close the script, this is absolutley wrong, another error is in the $message, you are using br inside an alert javascript that isn't recognize as html but just like characters at the least you can use unicode \n\t not br, i used also a setTimeout,but works also without setTimeout.
Sometimes can result essential use javascript injection inside the php for example to autofill of some forms and input select or to call a change event from external compilation of other application that pass variables in get and need to autofill a form, but i think in this case is not necessary do a javascript injection you can print the total Records just in the page, btw...
The code under works
Bye
$message = "Records found: " . $rowcount." \\n\t\\n\t";
if ($rowcount > 1) {
foreach($result as $val){
//var_dump($val);
$id_country = $val["country"] ;
$id_code = $val["code"] ;
$id_location = $val["location"] ;
$id_latitude = $val["latitude"] ;
$id_longitude = $val["longitude"] ;
echo "<table border='1' cellpadding='5'>";
echo "<tr>";
echo "<td><i><strong>ID Code</strong></i></td><td>";
echo $id_code."</td>";
echo "<td><i><strong>Country</strong></i></td><td>";
echo $id_country."</td>";
echo "<td><i><strong>Code</strong></i></td><td>";
echo $code."</td>";
echo "<td><i><strong>Location</strong></i></td><td>";
echo $id_location."</td>";
echo "<td><i><strong>Latitude</strong></i></td><td>";
echo $id_latitude."</td>";
echo "<td><i><strong>Longitude</strong></i></td><td>";
echo $id_longitude."</td>";
echo "</tr>";
echo "</table><br /><br />";
}
$jvsVar = "<script type='text/javascript'>;setTimeout(function(){alert('$message');},100)</script>";
echo $jvsVar;
}

Get response from PHP code by Ajax

I try to send the data from the HTML form to php code by Ajax and it does not get the response
the html form get user_id from the user entry then send it by java script function that handle ajax code and send the user_id to php code to get user_id by $user_id = $_GET['user_id']; and search by the user_id then show what ever in php code in the other html code to show div content showdocument.getElementById("content").innerHTML=xmlhttp.responseText; response from php
function showUser(str) {
if (str == "") {
document.getElementById("content").innerHTML = "";
return;
}
if (window.XMLHttpRequest) {
xmlhttp = new XMLHttpRequest();
} else {
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
document.getElementById("content").innerHTML = xmlhttp.responseText;
}
}
xmlhttp.open("POST", "http://localhost/gpms/admin_modify_user.php?user_id=" + str, true);
xmlhttp.send();
}
<head>
<script src="http://localhost/gpms/admin_user.js"></script>
</head>
<body>
<form method=post>
<label> Enter User ID: </label>
<input id="user_id" type=text name=user_id>
<br><br>
<input id="modify" type=submit value=Modify onclick="<script>showUser(user_id);</script>">
</form>
</body>
<?php
$user_id = $_GET['user_id'];
//create connection
$conn = mysqli_connect("localhost","root","","gpms");
// Check connection
if (!$conn) {
die("Connection failed: " . mysqli_connect_error());
}
$sql = "SELECT * FROM user WHERE user_id = '$user_id' ";
$result = mysqli_query($conn, $sql);
if (mysqli_query($conn, $sql)) {
$row = mysqli_fetch_assoc($result);
if ($row == 0) {
echo "No Results";
}
else {
$id = $row['user_id'];
$name = $row['user_name'];
$password = $row['user_password'];
$email = $row['user_email'];
$department = $row['user_department'];
echo "<div id = demo>";
echo "<table>";
echo "<tr>";
echo "<td> ID </td><td> Name </td><td> Password </td><td> E-mail </td><td> Department </td>";
echo "</tr>";
echo "<tr>";
echo '<td> '. $id .' </td><td> '. $name .' </td><td> '. $password .' </td><td> '. $email .' </td><td> '. $department .' </td>';
echo "</tr>";
echo "</table>";
echo "<button onclick = 'editUser(\"$id\",\"$name\",\"$password\",\"$email\",\"$department\")' > Edit </button>";
echo "<button onclick = 'deleteUser(".$id.")' > Delete </button>";
echo "</div>";
}
}
else {
echo "Error: " . $sql . "<br>" . mysqli_error($conn);
}
$conn->close();
?>
Your onclick attribute is wrong. It should just be the Javascript code, it shouldn't have <script>...</script> around it.
<input id="modify" type=submit value=Modify onclick="showUser(user_id);">
If you had looked in your Javascript console you would have seen it complain of a syntax error when you clicked.
And in the PHP, this line:
if (mysqli_query($conn, $sql)) {
should be:
if ($result) {
Otherwise you do the same query twice, which is unnecessary.

Dynamically show SQL query on a PHP page on click, using AJAX

Basically, I want to retrieve a certain product after clicking on an element. I'm using AJAX to pass the variable, and PHP to display the SQL query. I will use the product id on a WHERE statement, to retrieve and display the correct product.
Here is part of my code so far:
<html>
<head>
<title>Left Frame</title>
<link href='http://fonts.googleapis.com/css?family=Indie+Flower' rel='stylesheet' type='text/css'>
<link href="stylesheets/main.css" rel="stylesheet" type="text/css">
<script src="javascripts/jquery-1.11.2.js">
</script>
</head>
<body>
<div class="container">
<div id="bottomHalf">
<img id="blank" src="assets/bottom_half.png" style= "z-index: 5" >
<img src="assets/frosen_food.png"
usemap="#Map2"
border="0"
id="frozen"
style="z-index: 0;
visibility:hidden;" >
<map name="Map2">
<area shape="rect" coords="7,95,126,146" alt="Hamburger Patties" href="#" id="hamburgerPatties">
</div>
</div>
<script language="javascript">
$("#hamburgerPatties").click(function(){
var hamburgerPatties = "1002";
$.ajax({
type:"GET",
url: "topRightFrame.php",
data: "variable1=" + encodeURIComponent(hamburgerPatties),
success: function(){
//display something if it succeeds
alert( hamburgerPatties );
}
});
});
</script>
</body>
</html>
Part of my PHP code:
<?php
$product_id =(int)$_GET['variable1'];
$servername = "************";
$username = "************";
$password = "*************";
$dbname = "poti";
$tableName = "products";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
$sql = "SELECT * FROM $tableName ";
$result = $conn->query($sql);
// Display all products on the database
if ($result->num_rows > 0) {
// output data of each row
while($row = $result->fetch_assoc()) {
echo "Product ID: " . $row["product_id"]. " - Product Name: " . $row["product_name"]. " Unit Price:" . $row["unit_price"]. "<br>";
}
} else {
echo "0 results";
}
// Display product I clicked on the other frame
if (isset($GET['variable1'])) {
$sql = "SELECT * FROM $tableName WHERE product_id = " . $_GET['variable1'];
$result = $conn->query($sql);
if ($result) {
echo '<table>';
while ($row = $result->fetch_assoc())
{
echo '<tr>';
echo '<td>', "Product ID: " . $row["product_id"]. " - Product Name: " . $row["product_name"]. " Unit Price:" . $row["unit_price"]. "<br>";
echo '</tr>';
}
echo '</table>';
}
}
$conn->close();
?>
I'm able to display all the products. But starting from the ifsset statement, the code no long works. I get no error message or anything. How can I solve this? I'm pretty new to PHP.
EDIT: Ok, I managed to get the product I want when I hard code the product id. Now I need to get this variable using javascript.
You have syntax errors in your if statements.
When you're setting if, you should enclose the statement in braces:
instead of if something : do if(something): and then end it with endif; (when using colons :)
// Display product I clicked on the other frame
if (isset($GET['variable1'])):
$query = "SELECT * FROM $tableName WHERE product_id = " . $_GET['variable1'];
$result = mysqli_query($conn, $query);
if ($result):
echo '<table>';
while ($row = $result->fetch_assoc()) {
echo '<tr>';
echo '<td>', $row['product_id'], '</td>'; // and others
echo '</tr>';
}
echo '</table>';
endif;
endif;
Or, use {} braces instead of colons :
// Display product I clicked on the other frame
if (isset($GET['variable1'])){
$query = "SELECT * FROM $tableName WHERE product_id = " . $_GET['variable1'];
$result = mysqli_query($conn, $query);
if ($result){
echo '<table>';
while ($row = $result->fetch_assoc()) {
echo '<tr>';
echo '<td>', $row['product_id'], '</td>'; // and others
echo '</tr>';
}
echo '</table>';
}
}
You have syntax error in if block. use {} for if block also use echo instead of pure html tag(table). This error prevents successful state of ajax request. also don't forget to close table.
if ($result)
{
echo '<table>';
while ($row = $result->fetch_assoc())
{
echo '<tr>';
echo '<td>', $row['product_id'], '</td><td>'; // and others
echo '</tr>';
}
echo '</table>';
}
and the ajax code to display php result instead of test alert would be this:
<script language="javascript">
$("#hamburgerPatties").click(function(){
var hamburgerPatties = "1002";
$.ajax({
type:"GET",
url: "topRightFrame.php",
data: "variable1=" + encodeURIComponent(hamburgerPatties),
success: function(data){
alert(data);
}
});
});
</script>

Validate PHP variable via Javascript

Im looking to pass one variable from my PHP code to my Javascript code to validate a figure. I'm creating a shopping cart scenario whereby i have a variable 'in_stock' which specifies the amount of stock available for a product. If I enter an amount that is greater than the 'in_stock' available i need an error to be thrown. This is currently what I have:
Java Script
<script language="javascript">
function numCheck()
{
var enteredChar = document.getElementById('add_value').value;
var stockavailable ="<?php echo $stock?>";
//To check if a non-numerical value is entered
if (isNaN(enteredChar))
{
alert("Not a Number!");
return false;
}
//To check if the input is empty
if (enteredChar=="")
{
alert("Empty!");
return false;
}
//To check if the amount entered is not greater than the amount in stock
if (enteredChar > stockavailable)
{
alert("Not enough in stock");
return false;
}
}
</script>
This is all occurring whilst my PHP has called the database and returned the value on the screen. As follows:
PHP
$product_id =(int)$_GET['product_id'];
$username = "potiro";
$password = "pcXZb(kL";
$hostname = "rerun";
//connection to the database
$dbhandle = mysql_connect($hostname, $username, $password)
or die("Unable to connect to MySQL");
//select a database to work with
$selected = mysql_select_db("poti",$dbhandle)
or die("Could not select examples");
//execute the SQL query and return records
$result = mysql_query("SELECT * FROM products where product_id=$product_id");
echo '<form name="form1">';
echo '<table class="Grocery-table">';
while($row = mysql_fetch_array($result))
{
$stock =$row['in_stock'];
$product_id = $row['product_id'];
echo "<tr><td><b>Product ID</b></td>";
echo "<td>";
echo $product_id;
echo "</td></tr>";
echo "<tr><td><b>Product Name</b></td>";
echo "<td>";
echo $row['product_name'];
echo "</td></tr>";
echo "<tr><td><b>Unit Price</b></td>";
echo "<td>";
echo $stock;
echo "</td></tr>";
echo "<tr><td><b>Unit Quantity</b></td>";
echo "<td>";
echo $row['unit_quantity'];
echo "</td></tr>";
echo "<tr><td><b>In Stock</b></td>";
echo "<td>";
echo $row['in_stock'];
echo "</td></tr>";
echo '<tr><td><b>Add</b></td><td><Input type="text" id="add_value" name="cart"></input></td></tr>';
echo '<tr><td></td><td><input type="submit" value="Submit" onclick="return numCheck()"></td></tr>';
}
echo "</table>";
echo "</form>";
mysql_close($dbhandle);
?>
add your stock value to a hidden input value stock_value
echo '<tr><td><b>Add</b></td><td><Input type="text" id="add_value" name="cart" ></input><Input type="hidden" id="stock_value" name="stock_value" value="'.trim($stock).'"></input></td></tr>';
echo '<tr><td></td><td><input type="submit" value="Submit" onclick="return numCheck()"></td></tr>';
in javascript
<script language="javascript">
function numCheck()
{
var enteredChar = document.getElementById('add_value').value;
var stockavailable =document.getElementById('stock_value').value;

Ajax function can't get int valor onclick javascript

I have a function on ajax that retrieves the int on the input button onclick, this is the javascript ajax code:
function checkBoxes(str){
var xmlhttp=browsers();
if(str=""){
document.getElementById("txt").innerHTML="";
return;
}
xmlhttp.onreadystatechange=function(){
if(xmlhttp.readyState==4 && xmlhttp.status==200){
document.getElementById("txt").innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","ajax.php?h"+str,true);
xmlhttp.send();
}
I use php to print the results on the screen, with an onclick button:
if(isset($_GET['k'])){
$con=oci_connect('jvillegas','1234','XE');
if(!$con){
die("No s'ha pogut connectar: ".mysqli_error($con));
}
$k=intval($_GET['k']);
$sql3=oci_parse($con, "SELECT TARIFAS.ID, TARIFAS.ID_TIPO_ACTIVIDAD, TARIFAS.TIPO, TIPO_ACTIVIDAD.TEMPS_KM, TARIFAS.PRECIO
FROM TARIFAS, TIPO_ACTIVIDAD
WHERE TARIFAS.ID_TIPO_ACTIVIDAD=TIPO_ACTIVIDAD.ID
AND TARIFAS.ID_TIPO_ACTIVIDAD=$k");
oci_execute($sql3);
echo "<div class='divPrecios'>";
echo "<table border='1'>";
echo "<tr class='tabPreciosTitles'>";
echo "<td>Tipus Tarifa</td>
<td>Temps/Km</td>
<td>Preu</td>
<td><input type='button' class='carrito' value=''></td>";
echo "</tr>";
while (($row=oci_fetch_array($sql3,OCI_BOTH))!=false){
echo "<tr>";
echo "<td>".$row['TIPO']."</td>";
echo "<td>".$row['TEMPS_KM']."</td>";
echo "<td>".$row['PRECIO']."</td>";
echo "<td>".$row['ID']."</td>";
echo "<td><input type='button' name='checkbox[]' onclick=checkBoxes('".$row['ID']."') value='".$row['ID']."'/></td>";
echo "</tr>";
}
echo "</table>";
echo "</div>";
}
I thougt there is the error:
input type='button' name='checkbox[]' onclick=checkBoxes('".$row['ID']."') value='".$row['ID']."';
I do tests and if I pass a single int valor, it returns 0... why??
So the table with the result if all it's correct:
if(isset($_GET['h'])){
$con=oci_connect('jvillegas','1234','XE');
if(!$con){
die("No s'ha pogut connectar: ".mysqli_error($con));
}
echo "<table border=1>";
echo "<tr class='tabPreciosTitles'>";
echo "<td>Nom Activitat</td>
<td>Nom Tipus Activitat</td>
<td>Tipus Tarifa</td>
<td>Temps/km</td>
<td>Preu</td>";
echo "</tr>";
$h=intval($_GET['h']);
$sql4=oci_parse($con, "SELECT ACTIVIDAD.NOM AS NOM_ACTIVIDAD, TIPO_ACTIVIDAD.NOM AS NOM_TACTIVIDAD, TARIFAS.TIPO, TIPO_ACTIVIDAD.TEMPS_KM, TARIFAS.PRECIO
FROM TARIFAS, ACTIVIDAD, TIPO_ACTIVIDAD
WHERE TARIFAS.ID=$h
AND TARIFAS.ID_TIPO_ACTIVIDAD = TIPO_ACTIVIDAD.ID
AND TIPO_ACTIVIDAD.ID_ACTIVIDAD = ACTIVIDAD.ID");
oci_execute($sql4);
$array=array(
0=>array(),
1=>array(),
2=>array(),
3=>array(),
4=>array()
);
while (($row=oci_fetch_array($sql4,OCI_BOTH))!=false){
array_push($array[0],$row['NOM_ACTIVIDAD']);
array_push($array[1],$row['NOM_TACTIVIDAD']);
array_push($array[2],$row['TIPO']);
array_push($array[3],$row['TEMPS_KM']);
array_push($array[4],$row['PRECIO']);
}
for ($x=0;$x<count($array[4]);$x++){
echo "<tr>";
echo " <td>".$array[0][$x]."</td>";
echo " <td>".$array[1][$x]."</td>";
echo " <td>".$array[2][$x]."</td>";
echo " <td>".$array[3][$x]."</td>";
echo " <td>".$array[4][$x]."</td>";
echo " <td><input type='submit' class='carritoElim' value=''></td>";
echo "</tr>";
}
echo "</table>";
}
And to show these results I use divs:
<div id='txtHint'></div>
<div id='txtIhnt'></div>
<div id='txt'></div>
If I put an int on the query of the last table, change the $h for a 13, it works, or if I change the ajax function on > xmlhttp.open("GET","ajax.php?h=13",true); it works too.
I think your problem is coming from this line here
if(str=""){
Rather that doing a comparison you are assigned an empty string to the str variable. So from that point on in the function the value of str will be "". You want to change it to
if(str==""){

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