Store multiple rows from mysql database into one single variable - php

Question

this is really hard for me, i'm trying to store multiple rows from my table in mysql into a single variable
$mysql_statementJc = "SELECT * FROM `dog`.`cat` WHERE `name` = '$name'";
$mysql_commandJc = mysql_query($mysql_statementJc);
while($row = mysql_fetch_array($mysql_commandJc)){
$followI = $row['industry'];
$groupConcat = $followI . " OR ";
echo $groupConcat;
}
This is my appproach, so at the end of it all i can get "sam, john, bob" saved as $groupConcat which can then be used elsewhere.
Many thanks.

Answer 1

you want to create a concatenated string, php has the .= syntax for this:
$groupConcat='';
while($row = mysql_fetch_array($mysql_commandJc)){
$groupConcat .= $row['industry'] . " OR ";
}
echo $groupConcat; //no point echoing inside the loop
sometimes a better approach is to use an array and implode()
$groupConcat=array();
while($row = mysql_fetch_array($mysql_commandJc)){
$groupConcat[] = $row['industry'];
}
echo implode(' OR ',$groupConcat);

Answer 2

Each time through the loop, add the desired value to an array. Then, after the loop, use the implode() function to create your desired output.
while($row = mysql_fetch_array($mysql_commandJc)){
$followI = $row['industry'];
$resultArray[] = $followI;
}
$groupConcat = implode(" OR ", $resultArray);
echo $groupConcat;
Note that you should really stop using the mysql library and instead use mysqli or PDO.

Answer 3

You can also do it as:
$followl = array();
while($row = mysql_fetch_array($mysql_commandJc))
{
$followl[] = $row['industry'];
}
$groupConcat = implode(" OR ",$followl);
echo $groupConcat;
Some Explanation:
Store values into an array $followl and than use implode() function for imploding with OR.
Side note:
Please use mysqli_* or PDO becuase mysql_* is deprecated and no more available in PHP 7.