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  1. <?php
  2.  
  3. $arr = [[
  4. 		'forms_email' => 'max@gmail.com, sm@yandex.ru',
  5. 		'form_name'   => 'form_compl'
  6. 	], [
  7. 		'forms_email' => 'max@gmail.com, 123@da.fwe',
  8. 		'form_name'   => 'TESTED'
  9. 	], [
  10. 		'forms_email' => 'sm@yandex.ru',
  11. 		'form_name'   => 'formname2'
  12. 	]
  13. ];
  14. $tmp = $result = [];
  15.  
  16. foreach($arr as $item){
  17. 	$subj  = trim($item['form_name']); // Получаем имя для текущих мыл
  18. 	$mails = array_map(function($e){return trim($e);},explode(',', $item['forms_email'])); // Делим мыла на массив и каждый чистим trim'ом
  19.  
  20. 	foreach($mails as $mail){
  21. 		if(isset($tmp[$mail]))
  22. 			if(array_search($subj, $tmp[$mail]) !== false)
  23. 				continue; // Если уже мыло существует и такая метка у них есть, пропускаем итерацию
  24.  
  25. 		$tmp[$mail][] = $subj;
  26. 	}
  27. }
  28.  
  29. foreach($tmp as $mail => $subj)
  30. 	$result[] = [ // Просто приводим к требуемому виду
  31. 		'forms_email' => $mail,
  32. 		'form_name'   => implode(', ', $subj)
  33. 	];
  34.  
  35. unset($tmp);
  36.  
  37. var_dump($result);
Success #stdin #stdout 0.03s 52432KB
comments (?)
stdin 
Standard input is empty
stdout 
array(3) {
  [0]=>
  array(2) {
    ["forms_email"]=>
    string(13) "max@gmail.com"
    ["form_name"]=>
    string(18) "form_compl, TESTED"
  }
  [1]=>
  array(2) {
    ["forms_email"]=>
    string(12) "sm@yandex.ru"
    ["form_name"]=>
    string(21) "form_compl, formname2"
  }
  [2]=>
  array(2) {
    ["forms_email"]=>
    string(10) "123@da.fwe"
    ["form_name"]=>
    string(6) "TESTED"
  }
}
https://ideone.com/nMZ84w
language:
PHP (php 7.3.5)
created:
9 years ago
visibility:
secret

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