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<?php $books_sorted = array( 0 => array( "title" => "In Search of Lost Time", "count" => 2 ), 1 => array( "title" => "Don Quixote" ), 2 => array( "title" => "The Great Gatsby" ) ); $books_available = array( 0 => array( "title" => "Moby Dick", "count" => 1 ), 1 => array( "title" => "In Search of Lost Time", "count" => 3, ), 2 => array( "title" => "The Great Gatsby", "count" => 7 ), 3 => array( "title" => "War and Peace", "count" => 9 ) ); $sorted_titles = array_column($books_sorted, 'title'); $available_titles = array_reduce($books_available, function($result, $e) { $result[$e['title']] = $e; return $result; }); $third_array = array_merge( array_map( function($e) use ($available_titles) { return array_merge($available_titles[$e['title']], $e); }, array_filter($books_sorted, function($e) use ($available_titles) { return in_array($e['title'], array_keys($available_titles)); }) ), array_filter($books_available, function($e) use ($sorted_titles) { return !in_array($e['title'], $sorted_titles); }) ); print_r($third_array);
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 ( [title] => In Search of Lost Time [count] => 2 ) [1] => Array ( [title] => The Great Gatsby [count] => 7 ) [2] => Array ( [title] => Moby Dick [count] => 1 ) [3] => Array ( [title] => War and Peace [count] => 9 ) )
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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