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<?php $array = [ 2 => 'first=1', 3 => 'second=2', 4 => 'third=', 5 => 'first=4', 9 => 'second=3', ]; $result = []; foreach ($array as $string) { [$key, $value] = explode('=', $string, 2); if (!isset($entry) || isset($entry[$key])) { unset($entry); $result[] = &$entry; } $entry[$key] = $value; } var_export($result);
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array ( 0 => array ( 'first' => '1', 'second' => '2', 'third' => '', ), 1 => array ( 'first' => '4', 'second' => '3', ), )
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 array ( 0 => array ( 'first' => '1', 'second' => '2', 'third' => '', ), 1 => array ( 'first' => '4', 'second' => '3', ), )
preferences:
147.79 ms | 402 KiB | 149 Q