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<?php $structure = [ "a", "b" => [ "b1", "b2" => [ "b21", "b22" ] ] ]; $data = ['A', 'B1', 'B21', 'B22']; $filled = 0; array_walk_recursive ($structure, function (&$val) { global $filled; global $data; $val = array( $val => $data[ $filled ] ); $filled++; }); print_r( $structure );
Output for 7.1.25 - 7.1.30, 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] => Array ( [a] => A ) [b] => Array ( [0] => Array ( [b1] => B1 ) [b2] => Array ( [0] => Array ( [b21] => B21 ) [1] => Array ( [b22] => B22 ) ) ) )
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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