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  1. <?php
  2.  
  3.   $emails = array(
  4.     'foo@bar.com',
  5.     'null@void.com',
  6.     'invalid string'
  7.   );
  8.  
  9.   $emails = implode(', ', array_filter($emails, 'MYFILTERS_emails'));
  10.   echo $emails;
  11.  
  12.   //------
  13.  
  14.   function MYFILTERS_emails($val){
  15.     return !!(filter_var($val, FILTER_VALIDATE_EMAIL));
  16.   }
Success #stdin #stdout 0.01s 20568KB
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foo@bar.com, null@void.com
https://ideone.com/OrJgAC
language:
PHP (php 7.3.5)
created:
11 years ago
visibility:
secret

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