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@ 2016-04-18T21:40:25Z

<?php

$fake_db_results = [
    ['session_id' => 1, 'page_url' => 'http://a.com'],
    ['session_id' => 1, 'page_url' => 'http://b.com'],
    ['session_id' => 1, 'page_url' => 'http://c.com'],
    ['session_id' => 2, 'page_url' => 'http://d.com'],
    ['session_id' => 2, 'page_url' => 'http://e.com'],
    ['session_id' => 3, 'page_url' => 'http://f.com'],
    ['session_id' => 4, 'page_url' => 'http://g.com'],
    ['session_id' => 5, 'page_url' => 'http://h.com']
];

$paths = [];
foreach ($fake_db_results as $row) {
    if ( ! array_key_exists($row['session_id'], $paths) || ! is_array($paths[$row['session_id']])) {
        $paths[$row['session_id']] = [];
    }
    array_push($paths[$row['session_id']], $row['page_url']);
}

echo '<pre>';
var_dump($paths);

    $html = '';
    foreach ($paths as $session => $page) {
        $html .= "<tr>\n";
        $html .= '<td>' . $session . "</td>\n";
        $html .= '<td>' . implode('| ', $page) . "</td>\n";
        $html .= "</tr>\n";
    }

    echo $html;

Output for git.master, git.master_jit, rfc.property-hooks: <pre>array(5) { [1]=> array(3) { [0]=> string(12) "http://a.com" [1]=> string(12) "http://b.com" [2]=> string(12) "http://c.com" } [2]=> array(2) { [0]=> string(12) "http://d.com" [1]=> string(12) "http://e.com" } [3]=> array(1) { [0]=> string(12) "http://f.com" } [4]=> array(1) { [0]=> string(12) "http://g.com" } [5]=> array(1) { [0]=> string(12) "http://h.com" } } <tr> <td>1</td> <td>http://a.com| http://b.com| http://c.com</td> </tr> <tr> <td>2</td> <td>http://d.com| http://e.com</td> </tr> <tr> <td>3</td> <td>http://f.com</td> </tr> <tr> <td>4</td> <td>http://g.com</td> </tr> <tr> <td>5</td> <td>http://h.com</td> </tr>

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2022-12-01 RFC: Property hooks - included in PHP 8.4
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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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