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  1. <?php
  2. $value = 'yes';
  3. echo "<input type='checkbox' name='subscribe' value='yes'/>Subscribe?";
  4. if(isset($_POST['subscribe'])){
  5. 	if($_POST['subscribe'] == $value){
  6. 		$subscribed = true;
  7. 	}else{
  8. 		$subscribed = false;
  9. 		print 'Invalid checkbox value submitted.';
  10. 	}
  11. }else{$subscribed = false;}
  12. if($subscribed){
  13. 	print 'You Are Not Subscribed.';}else{print 'You Are Subscribed.';}
Success #stdin #stdout 0.04s 25660KB
comments (?)
stdin 
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stdout 
<input type='checkbox' name='subscribe' value='yes'/>Subscribe?You Are Subscribed.
https://ideone.com/Uv50Hi
language:
PHP (php 7.3.5)
created:
15 hours ago
visibility:
public

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