how to use multiple url variables in php echo statement -

i trying execute code 1 below , try figure out have missed do, seems bit complicated, tips or guidance easy way use comma, quotes pls.

echo "<td><a href='update.php?jobrequestnumber$counterforlist=\".$row['jobrequestnumber'].\"&requestingcompany$counterforlist=$row['requestingcompany'].\"&dateforservice$counterforlist=$row['dateforservice']."'>update</a></td>"; 

many

due method of variable parsing in php, when $ encountered within double quotes parser attempt retrieve variable characters following $. result, not need escape string in order have variable parsed properly. parsing method referred simple syntax. alternative simple syntax complex syntax uses {...} encase variables.

in case recommend using complex syntax allow easier code maintenance/maintainability.

echo "<td><a href=\"update.php?jobrequestnumber{$counterforlist}={$row['jobrequestnumber']}&requestingcompany{$counterforlist}={$row['requestingcompany']}&dateforservice{$counterforlist}={$row['dateforservice']}\">update</a></td>"; 

if using single quotes encase string following solution utilizes simple syntax work:

echo '<td><a href="update.php?jobrequestnumber'. $counterforlist .'='. $row['jobrequestnumber'] .'&requestingcompany'. $counterforlist .'='. $row['requestingcompany'] .'&dateforservice'. $counterforlist .'='. $row['dateforservice'] .'">update</a></td>'; 

there multiple approaches case , find range of answers due nature of site approach wish utilize. may more favorable others in terms of performance, purposes not observe noticeable differences.

please reference manual further explanation.