php - Data taken from mysql display division if the date by day is changed -

currently have code takes data mysql , displays text , tried make underline bar if date day changed, no luck

the first picture shows code , second 1 i'm trying do. tried check if current date different new 1 no luck.

how detect date change current code, can make break between same day easy viewing?

<?php chdir(__dir__);  error_reporting(e_strict | e_all); ini_set('display_errors', true); ini_set('display_startup_errors', true);   require_once 'config.php';  $mysqli = new mysqli($server, $db_user, $db_password, $database);  if ($mysqli->connect_error) {     die("connection failed: " . $conn->connect_error); }       $sql_list = "select date, name, quantity, 0 price, 'download' source downloads union select date, name, quantity, price, 'sale' source sales order by(`date`) desc";   $result_list = $mysqli->query($sql_list);  $ans_lists = array(); while($row = $result_list->fetch_assoc()){         $source =$row["source"];         $name = $row["name"];          if (stripos($source, "sale") !== false) {             $price = $row["price"] ."$";         }else{             $price = "";         }          $date_str = strtotime($row["date"]);         $year = date('y', $date_str);         $month = date('m', $date_str);         $day = date('d', $date_str);         $hour = date('h', $date_str);         $minute = date('i', $date_str);             $ans_list = "" . sprintf('%s-%s-%s %s:%s',$year,$month,$day,$hour,$minute) . ", " .  $name . " - " .  $source . " added " . $price . "";         //echo $ans_list;         $ans_lists[] = $ans_list; }    $count = 0; $max_lines = 1000;      foreach($ans_lists $f){      if ($count >= $max_lines){         break;     }      if (stripos($f, "sale") !== false) {         $class = "sales";         $text = "text-sales";          if (preg_match("/(crcv2)/i", $f)) {                 $squaresales = "crcv2-sales";         }else if(preg_match("/(crc12)/i", $f)){                 $squaresales = "crc12-sales";         }      }     else{         $class = "row";         $square = "general";         $text = "text-general";         $squaresales = "";      }      if (preg_match("/(crcv2|crcpv2-01|crcpv2-02|crcpv2-03|crcpv2-04|crcpv2-05|crcpv2-06|crcpv2-07|crcpv2-08|crcpv2-09|crcpv2-10|crcpv2-11|crcpv2-12)/i", $f)) {             $square = "crcv2";     }else if(preg_match("/(crc12|crcp01|crcp02|crcp03|crcp04|crcp05|crcp06|crcp07|crcp08|crcp09|crcp10|crcp11|crcp12|crcp13|crcp14)/i", $f)){             $square = "crc12";     }  $count++;     echo "<div class='".$class." scale'><a class='".$square."'></a><a class='".$squaresales."'></a><a class='".$text."'>".$f."</a></div>\r\n"; }  $mysqli->close(); 

try changing $ans_lists[] = $ans_list this:

// here youll 20150708 $ymd_date = date( 'ymd', strtotime($row["date"]) );  // prepare array results day if ( !isset( $ans_lists[$ymd_date] ) ) {     $ans_lists[$ymd_date] = array(); }  // add result specific date $ans_lists[$ymd_date][] = $ans_list; 

and change foreach($ans_lists $f){ iterator to

foreach($ans_lists $ymd_date => $array_of_entries){     foreach($array_of_entries $f){          // ... here stays printing logic          // ...     }     // here ends 1 specific day     // can output breakline here or     echo '<hr>'; }