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<?php $array = [ "data" => "data", "id_1553539135251" => "<p>nsmn</p>", "about" => "about", "id_1553539141598" => "<p>uiu</p>", ]; $result = []; $temp = []; foreach ($array as $k => $v) { if (str_starts_with($k, 'id_')) { $result[$k] = ['content' => $v] + $temp; $temp = []; } else { $temp[$k] = $v; } } var_export($result); /* array:3 [▼ "id_1553539135251" => array:1 [▼ "content" => "<p>nsmn</p>" "data" => "data" ] "id_1553539141598" => array:1 [▼ "content" => "<p>uiu</p>" "about" => "about" ] ] */
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.5.0
array ( 'id_1553539135251' => array ( 'content' => '<p>nsmn</p>', 'data' => 'data', ), 'id_1553539141598' => array ( 'content' => '<p>uiu</p>', 'about' => 'about', ), )
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.

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