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  1. <?php
  2.  
  3. $groups = array(
  4. 	array(
  5. 		'label' => '',
  6. 		'value' => ''
  7. 	),
  8. 	array(
  9. 		'label' => 'Alpha',
  10. 		'value' => 'test'
  11. 	),
  12. 	array(
  13. 		'label' => 'Zeta',
  14. 		'value' => 'test'
  15. 	),
  16. 	array(
  17. 		'label' => 'alpha',
  18. 		'value' => 'test'
  19. 	),
  20. 	array(
  21. 		'label' => 'Beta',
  22. 		'value' => 'test'
  23. 	)
  24. );
  25.  
  26. function validate($var)
  27. {
  28. 	return !empty($var['label']);
  29. }
  30.  
  31. function cmp($a, $b){
  32. 	return strcmp($a['label'], $b['label']);
  33. }
  34.  
  35. $groups = array_filter($groups, 'validate');
  36. usort($groups, 'cmp');
  37.  
  38. foreach($groups as $a) {
  39. 	echo "<option value='".$a['value']."'>" . $a['label'] . "<option>" . \PHP_EOL;
  40. }
Success #stdin #stdout 0.02s 24448KB
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stdin
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Standard input is empty
stdout
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<option value='test'>Alpha<option>
<option value='test'>Beta<option>
<option value='test'>Zeta<option>
<option value='test'>alpha<option>
https://ideone.com/OH5vXL
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
secret

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