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@ 2014-04-10T07:19:46Z

<?php

$emails = array(
    'mail1@gmail.com',
    'mail2@gmail.com',
    'mail3@gmail.com',
    'mail4@gmail.com',
    'mail5@gmail.com',

    'mail1@yahoo.com',
    'mail2@yahoo.com',
    'mail3@yahoo.com',
    'mail4@yahoo.com',
    'mail5@yahoo.com',

    'mail1@aol.com',
    'mail2@aol.com',
    'mail3@aol.com',
    'mail4@aol.com',
    'mail5@aol.com',

    'mail1@others.com',
    'mail2@others.com',
    'mail3@others.com',
    'mail4@others.com',
    'mail5@others.com',

);

$organized_emails = array();
$needle_key = 0;
$needle_search = array('gmail', 'yahoo', 'aol', 'others');

while(true) {
    $current_value = array_shift($emails);
    if(strpos($current_value, $needle_search[$needle_key]) !== false) {
        $organized_emails[] = $current_value;
        $needle_key++;
        if($needle_key > 3) {
            $needle_key = 0;
        }
    } else {
        array_push($emails, $current_value);
    }

    if(empty($emails)) {
        break;
    }
}

echo '<pre>';
print_r($organized_emails);
echo '</pre>';

Output for git.master, git.master_jit, rfc.property-hooks: <pre>Array ( [0] => mail1@gmail.com [1] => mail1@yahoo.com [2] => mail1@aol.com [3] => mail1@others.com [4] => mail2@gmail.com [5] => mail2@yahoo.com [6] => mail2@aol.com [7] => mail2@others.com [8] => mail3@gmail.com [9] => mail3@yahoo.com [10] => mail3@aol.com [11] => mail3@others.com [12] => mail4@gmail.com [13] => mail4@yahoo.com [14] => mail4@aol.com [15] => mail4@others.com [16] => mail5@gmail.com [17] => mail5@yahoo.com [18] => mail5@aol.com [19] => mail5@others.com ) </pre>

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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