php mysql looking how to check if there are no result

php mysql looking how to check if there are no result

By : user2173503
Date : October 20 2020, 08:10 PM
will help you When using an aggregate function like max() you will always get a row, if there isn't a matching row it will return null.
So you need to change your test to...
code :
if($row['max_ricevuta'] != null){
    echo $row['max_ricevuta'];
else {
    echo "1";

Share : facebook icon twitter icon
check checkboxes from mysql result

check checkboxes from mysql result

By : user2674561
Date : March 29 2020, 07:55 AM
I wish this help you mysql_fetch_array() fetches one row from the result. Each row will contain one typeID. You will have to loop through the rows and do something. The code below will add all ID's to an array that you can search in.
code :
$typeIdArray = array();

while($row = mysql_fetch_array($query)) {
    $typeIdArray[] = $row['typeID'];
php, check if a result is in second column of mysql result

php, check if a result is in second column of mysql result

By : Qaz
Date : March 29 2020, 07:55 AM
this one helps. Hi i think you want to check that column c of any row has value 27 or not in fetching result PHP..then
1.If you can add condition column_c = 27 then use mysql_num_rows for count number of rows in result
code :
   $result = mysql_query("select * from table where column_b = ".$variable." AND column_c = 27") or die(mysql_error());

   if(mysql_num_rows($result) > 0){
     echo "true";
     echo "false";
 $result = mysql_query("select * from table where column_b = ".$variable."") or die(mysql_error());

 $exist = "false";

   while($row = mysql_fetch_array($result)){
      if($row['column_c'] == 27){
        $exist = "true";
 echo $exit;
MySQL, check if result has value, if not take another

MySQL, check if result has value, if not take another

By : Eugenia Larchenko
Date : March 29 2020, 07:55 AM
should help you out I have a table structure like this:
code :
SELECT a.Type, a.Page_ID
FROM   table a
         INNER JOIN
       (SELECT    Type, MAX(User_ID) AS User_ID
        FROM      table
        GROUP BY  Type ) b
       ON a.Type = b.Type AND a.User_ID = b.User_ID
Check if MySQL result is empty

Check if MySQL result is empty

By : Manjunath R S
Date : March 29 2020, 07:55 AM
Hope that helps I want to check if a MySQL result is empty and echo an error message. , Put it outside the loop:
code :
$ausgabe = "";
$sql = new rex_sql;

$sql->debugsql = 0; //Ausgabe Query

$sql->setQuery("SELECT * FROM $db_downloads WHERE gruppe = $gruppe_teilnehmer ORDER BY id DESC limit 4");


    $id = $sql->getValue("id");
    $dateiname = $sql->getValue("dateiname");
    $dateigroesse = $sql->getValue("dateigroesse");
    $dateipfad = $sql->getValue("dateipfad");
    $dateidatum = date("d.m.Y",strtotime($sql->getValue("dateidatum")));
    $dateizeit = date("H.i",strtotime($sql->getValue("dateidatum")));
    $download_teilnehmer = $sql->getValue("teilnehmer");
    $datei_projektnummer = $sql->getValue("projektnummer");
    $projektseite = $sql->getValue("projektseite");

    $ausgabe .= '<li><a href="index.php?article_id='.$projektseite.'"></a><i class="fa fa-file-o"></i>'.$dateiname.'<ul><li><i class="fa fa-calendar"></i>'.$dateidatum.' | '.$dateizeit.'</li><li><i class="fa fa-circle"></i>'.$datei_projektnummer.'</li></ul></li>';

if(empty($ausgabe)) {
    echo ("Error! No result!");
How to check SQL(mysql ) result. PHP

How to check SQL(mysql ) result. PHP

By : Mayedul Islam
Date : March 29 2020, 07:55 AM
I wish this help you fetch result into an array and count items using count function, like this:
code :
$sql = "select sysnum from hpc where handler='".$Name."' and stat='N';";
$sel = $conn->query($sql)->fetchall();
if(count($sel) > 0){       
Related Posts Related Posts :
  • Running two PHP versions on the same server (STRETCH)
  • Checking if a file has been selected for upload
  • Model not updating laravel
  • How to add a description of words from text to an array, to an array key by passing words?
  • Nginx rewrite rule not not passing variables if "/" is at the end of the url
  • Modify decimal point and thousands separator without changing the number of decimals
  • Remove PHP errors from CLI and PHPMyAdmin
  • Yii2 rest api - Url manager add parameters
  • 1-query batch update array of users using PDO
  • Keep getting error: implode(): Invalid arguments passed when updating data
  • Laravel 5.4 - Correct Validation rule for a required parameter that can be zero
  • What does this code mean: $objPHPExcel->getActiveSheet()->toArray(null, true,true,true)
  • Data not being added to mysql table but echo's the data?
  • While fetch row in PHP
  • IP long string filter
  • How to view first image in list per user as its highlight Profile
  • Insert multiple rows from array
  • PHP : How to remove a duplicate array item ONCE
  • Print the input box text as simple text instead of html tag
  • How to read a string variable in php as $_GET or $_POST?
  • MySQL query fetch array not working
  • LogicException with message '... must return a relationship instance.'
  • PHP - create new array with only selected keys from an existing array
  • How to allow backgrounding a process to survive a session termination?
  • How to redirect to Home page (Default page) in zend framework 2?
  • I want to call a jquery variable in php syntax
  • Disabling the default /?add-to-cart= animation on buttons in Woocommerce
  • How to use query data for another sql query in yii2
  • Replace string enclosed in specified characters based on data type
  • Symfony FormType: how to get prototype in form type file
  • Handle reply messages properly after some operations in php
  • PHP Changed Domain, how to remove old Session Cookies
  • mysqli_stmt::bind_param(): Number of variables doesn't match number of parameters in prepared statement in php
  • Error: Call to a member function update() on array laravel
  • How to change the format of a float number?
  • run ajax requests by order
  • Wordpress Install 404 Error (Cannot view login in browser)
  • Calcinai xero-php pass config once
  • Fatal error calling to undefined function in PHP file
  • Laravel hasMany and belongsTo parameters
  • How do I call a Controller method in php Laravel?
  • How to replace "@" post tag with regex in PHP?
  • Laravel : when insert record in table. How can i add that Record in the list without querying the db
  • It is possible that I could user email address to get customer id from simPRO API?
  • PHP add and merge sql result
  • laravel ckeditor dark theme
  • Laravel belongsToMany not working
  • laravel 5.4 datatables not working jquery $ referenceError
  • Zend Form 2 multiselect field is empty after validation
  • PHP - Laravel 5 get data to html table from 3 SQL database tables with column DATA as headers
  • Can't use token authorization with Laravel Passport
  • splitting lines of dates and presenting in desired format
  • Laravel 5.2 Heroku Deployment Failed to install system packages
  • Laravel relationships - are there multiple *unnecessary* database calls?
  • htaccess rewrite rule for serving index.php from parent directory
  • PHP/MongoDB - $concat aggregation
  • Remove ajax.googleapis.com from my Wordpress site
  • Image saved always empty with Storage::put in Laravel
  • How to count and sort data in junction table
  • Get common number of values in a single array
  • shadow
    Privacy Policy - Terms - Contact Us © voile276.org