php - Undefined Offset: 2 (lines 22, 28, 29) -

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the following code shows error

"undefined offset: 2" on lines 22, 28, , 29

$sql = "select email commercialemails dripid = 1 , sent='a'"; if ($resultsd1 = mysqli_query($conn, $sql )) {     $affectedrows = mysqli_num_rows($resultsd1);     while ($row = mysqli_fetch_row($resultsd1)){         $results = $row[0];         global $results;     } }  $broken = explode(' ', $results); $hi = 0; $hello = 0; a:                                           /**line 22 **/ if (substr($broken[$hi], -4) == "com," && $broken[$hi] == "qwert"){      $hey[$hi] = $broken[$hi];     $hello++; }  if(substr($broken[$hi], -4) !== "com,"){  // line 28     $hey[$hi] = $broken[$hi];             //line 29  } $hi++; if ($hi == $affectedrows){     if (!isset($hey)){         echo "there no emails";     } else {         foreach( $hey $key => $value){             echo $value;         }         echo $hey;     } }else{    goto a; }

i not sure trying achieve, code working try way:

$sql = "select email commercialemails dripid = 1 , sent='a'"; $results = array(); $hey = array(); if ($resultsd1 = mysqli_query($conn, $sql )) {     $affectedrows = mysqli_num_rows($resultsd1);     while ($row = mysqli_fetch_row($resultsd1)){         $results[] = $row;         if(substr($row[0], -4) !== "com,"){             $hey[] = $row[0];                       }     } }  if (count($hey)==0){     echo "there no emails"; } else {     foreach( $hey  $value){         echo $value;     }     echo $hey; }

as can see removed many of variables don't need them until can explain goals.

and i've removed weird condition if:

if (substr($broken[$hi], -4) == "com," && $broken[$hi] == "qwert"){      $hey[$hi] = $broken[$hi];     $hello++; }

because there no such value of $broken[$hi] can equal 'qwert' , have 'com' substring inside. codition false , can delete it.

try explain goals. hope can you.


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