Passing PHP Variable echoing HTML

I have a .PHP file and wanted to echo HTML. I did echo it perfectly but now i want to echo a javascript onclick= print( $variable) . I keep getting error or invalid syntax.

the button on click won't work when i pass in a php variable but if i pass in manually it works.

Thank you.

Below are my code.

 <div class="streamline b-l m-l">
 <?php 
 $messages = $user_projects_json['projects'][$projectKey]['alarms']; 
 foreach($messages as $message_key => $messagesList){
 echo "
 <div class='sl-item b-success'>
 <div class='sl-icon'>
 <i class='fa fa-check'></i>
 </div>
 <div class='sl-item b-info'>
 <div class='sl-content'>
 <div class='sl-date text-muted'>". $messagesList['t'] ."
 <span class='pull-right'>Name: " . strtoUpper($messagesList['n']) . " </span>
 
 </div>
 <div> " .$messagesList['m']. 
 "<span> 
 <button onclick='clear_alarm(" . $message_key . ")' class='btn btn-sm white pull-right'> Clear </span> </button> </div>
 
 <div>
 </div>
 </div>";
 }
 
 
 ?>
 </div>

• 1
  Your issue is most likely around the usage of ". If the value of $message_key is a string, your source is going to look like onclick='clear_alarm(mystringvalue)'. In which case javascript is going to treat that string as a variable reference, not a literal.

  Taplar

  – Taplar

  2020年07月28日 21:42:56 +00:00

  Commented Jul 28, 2020 at 21:42

1 Answer 1

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