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<?php $arr = [0 => 0, 1=> 0, 4 => 0, 6 => 0]; $full = array_fill(0,6,999); foreach($full as $k => &$v) if (isset($arr[$k])) $v = $arr[$k]; print_r($full); $new = $arr + array_fill(0,6,999); ksort($new); print_r($new);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 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 ( [0] => 0 [1] => 0 [2] => 999 [3] => 999 [4] => 0 [5] => 999 ) Array ( [0] => 0 [1] => 0 [2] => 999 [3] => 999 [4] => 0 [5] => 999 [6] => 0 )
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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