3v4l.org

run code in 300+ PHP versions simultaneously
<?php $words=['MVW','MWAH','MWAH','MYW','MW','MY9AH','MYQAH','MYQAH','MY9AH','MYQAH', 'MYQAH','MWAH','MYQAH','MYSWI','MYQAH','MYQAH','MW','MW','MW','MW']; echo "*** Step #1: Replace each word with an array of its characters ***\n"; var_export(array_map('str_split',$words)); echo "\n\n---\n\n"; echo "*** Step #2: Pass the characters through array_map with the splat operator and func_get_args() to isolate columnar data including NULLs where no character exists in the column ***\n"; var_export(array_map(function(){return func_get_args();},...array_map('str_split',$words))); echo "\n\n---\n\n"; echo "*** Step #3: Convert column data to strings with the added benefit of eliminating NULLs ***\n"; //var_export(array_map(function(){return implode(func_get_args());},...array_map('str_split',$words))); echo "\n\n---\n\n"; echo "*** Step #4: Count the occurrences of each character; stored as ord values as keys, and occurrences as values ***\n"; var_export(array_map(function(){return count_chars(implode(func_get_args()),1);},...array_map('str_split',$words))); echo "\n\n---\n\n"; echo "*** Step #5: Sort DESC while preserving keys ***\n"; var_export(array_map(function(){$occurrences=count_chars(implode(func_get_args()),1); arsort($occurrences); return $occurrences;},...array_map('str_split',$words))); echo "\n\n---\n\n"; echo "*** Step #6: Target the first (highest occurring) value/character in the array ***\n"; var_export(array_map(function(){$occurrences=count_chars(implode(func_get_args()),1); arsort($occurrences); return key($occurrences);},...array_map('str_split',$words))); echo "\n\n---\n\n"; echo "*** Step #7: Convert the targeted character from ord() to chr() ***\n"; var_export(array_map(function(){$occurrences=count_chars(implode(func_get_args()),1); arsort($occurrences); return chr(key($occurrences));},...array_map('str_split',$words)));
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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
*** Step #1: Replace each word with an array of its characters *** array ( 0 => array ( 0 => 'M', 1 => 'V', 2 => 'W', ), 1 => array ( 0 => 'M', 1 => 'W', 2 => 'A', 3 => 'H', ), 2 => array ( 0 => 'M', 1 => 'W', 2 => 'A', 3 => 'H', ), 3 => array ( 0 => 'M', 1 => 'Y', 2 => 'W', ), 4 => array ( 0 => 'M', 1 => 'W', ), 5 => array ( 0 => 'M', 1 => 'Y', 2 => '9', 3 => 'A', 4 => 'H', ), 6 => array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', ), 7 => array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', ), 8 => array ( 0 => 'M', 1 => 'Y', 2 => '9', 3 => 'A', 4 => 'H', ), 9 => array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', ), 10 => array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', ), 11 => array ( 0 => 'M', 1 => 'W', 2 => 'A', 3 => 'H', ), 12 => array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', ), 13 => array ( 0 => 'M', 1 => 'Y', 2 => 'S', 3 => 'W', 4 => 'I', ), 14 => array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', ), 15 => array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', ), 16 => array ( 0 => 'M', 1 => 'W', ), 17 => array ( 0 => 'M', 1 => 'W', ), 18 => array ( 0 => 'M', 1 => 'W', ), 19 => array ( 0 => 'M', 1 => 'W', ), ) --- *** Step #2: Pass the characters through array_map with the splat operator and func_get_args() to isolate columnar data including NULLs where no character exists in the column *** array ( 0 => array ( 0 => 'M', 1 => 'M', 2 => 'M', 3 => 'M', 4 => 'M', 5 => 'M', 6 => 'M', 7 => 'M', 8 => 'M', 9 => 'M', 10 => 'M', 11 => 'M', 12 => 'M', 13 => 'M', 14 => 'M', 15 => 'M', 16 => 'M', 17 => 'M', 18 => 'M', 19 => 'M', ), 1 => array ( 0 => 'V', 1 => 'W', 2 => 'W', 3 => 'Y', 4 => 'W', 5 => 'Y', 6 => 'Y', 7 => 'Y', 8 => 'Y', 9 => 'Y', 10 => 'Y', 11 => 'W', 12 => 'Y', 13 => 'Y', 14 => 'Y', 15 => 'Y', 16 => 'W', 17 => 'W', 18 => 'W', 19 => 'W', ), 2 => array ( 0 => 'W', 1 => 'A', 2 => 'A', 3 => 'W', 4 => NULL, 5 => '9', 6 => 'Q', 7 => 'Q', 8 => '9', 9 => 'Q', 10 => 'Q', 11 => 'A', 12 => 'Q', 13 => 'S', 14 => 'Q', 15 => 'Q', 16 => NULL, 17 => NULL, 18 => NULL, 19 => NULL, ), 3 => array ( 0 => NULL, 1 => 'H', 2 => 'H', 3 => NULL, 4 => NULL, 5 => 'A', 6 => 'A', 7 => 'A', 8 => 'A', 9 => 'A', 10 => 'A', 11 => 'H', 12 => 'A', 13 => 'W', 14 => 'A', 15 => 'A', 16 => NULL, 17 => NULL, 18 => NULL, 19 => NULL, ), 4 => array ( 0 => NULL, 1 => NULL, 2 => NULL, 3 => NULL, 4 => NULL, 5 => 'H', 6 => 'H', 7 => 'H', 8 => 'H', 9 => 'H', 10 => 'H', 11 => NULL, 12 => 'H', 13 => 'I', 14 => 'H', 15 => 'H', 16 => NULL, 17 => NULL, 18 => NULL, 19 => NULL, ), ) --- *** Step #3: Convert column data to strings with the added benefit of eliminating NULLs *** --- *** Step #4: Count the occurrences of each character; stored as ord values as keys, and occurrences as values *** array ( 0 => array ( 77 => 20, ), 1 => array ( 86 => 1, 87 => 8, 89 => 11, ), 2 => array ( 57 => 2, 65 => 3, 81 => 7, 83 => 1, 87 => 2, ), 3 => array ( 65 => 9, 72 => 3, 87 => 1, ), 4 => array ( 72 => 9, 73 => 1, ), ) --- *** Step #5: Sort DESC while preserving keys *** array ( 0 => array ( 77 => 20, ), 1 => array ( 89 => 11, 87 => 8, 86 => 1, ), 2 => array ( 81 => 7, 65 => 3, 57 => 2, 87 => 2, 83 => 1, ), 3 => array ( 65 => 9, 72 => 3, 87 => 1, ), 4 => array ( 72 => 9, 73 => 1, ), ) --- *** Step #6: Target the first (highest occurring) value/character in the array *** array ( 0 => 77, 1 => 89, 2 => 81, 3 => 65, 4 => 72, ) --- *** Step #7: Convert the targeted character from ord() to chr() *** array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', )
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 *** Step #1: Replace each word with an array of its characters *** array ( 0 => array ( 0 => 'M', 1 => 'V', 2 => 'W', ), 1 => array ( 0 => 'M', 1 => 'W', 2 => 'A', 3 => 'H', ), 2 => array ( 0 => 'M', 1 => 'W', 2 => 'A', 3 => 'H', ), 3 => array ( 0 => 'M', 1 => 'Y', 2 => 'W', ), 4 => array ( 0 => 'M', 1 => 'W', ), 5 => array ( 0 => 'M', 1 => 'Y', 2 => '9', 3 => 'A', 4 => 'H', ), 6 => array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', ), 7 => array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', ), 8 => array ( 0 => 'M', 1 => 'Y', 2 => '9', 3 => 'A', 4 => 'H', ), 9 => array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', ), 10 => array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', ), 11 => array ( 0 => 'M', 1 => 'W', 2 => 'A', 3 => 'H', ), 12 => array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', ), 13 => array ( 0 => 'M', 1 => 'Y', 2 => 'S', 3 => 'W', 4 => 'I', ), 14 => array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', ), 15 => array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', ), 16 => array ( 0 => 'M', 1 => 'W', ), 17 => array ( 0 => 'M', 1 => 'W', ), 18 => array ( 0 => 'M', 1 => 'W', ), 19 => array ( 0 => 'M', 1 => 'W', ), ) --- *** Step #2: Pass the characters through array_map with the splat operator and func_get_args() to isolate columnar data including NULLs where no character exists in the column *** array ( 0 => array ( 0 => 'M', 1 => 'M', 2 => 'M', 3 => 'M', 4 => 'M', 5 => 'M', 6 => 'M', 7 => 'M', 8 => 'M', 9 => 'M', 10 => 'M', 11 => 'M', 12 => 'M', 13 => 'M', 14 => 'M', 15 => 'M', 16 => 'M', 17 => 'M', 18 => 'M', 19 => 'M', ), 1 => array ( 0 => 'V', 1 => 'W', 2 => 'W', 3 => 'Y', 4 => 'W', 5 => 'Y', 6 => 'Y', 7 => 'Y', 8 => 'Y', 9 => 'Y', 10 => 'Y', 11 => 'W', 12 => 'Y', 13 => 'Y', 14 => 'Y', 15 => 'Y', 16 => 'W', 17 => 'W', 18 => 'W', 19 => 'W', ), 2 => array ( 0 => 'W', 1 => 'A', 2 => 'A', 3 => 'W', 4 => NULL, 5 => '9', 6 => 'Q', 7 => 'Q', 8 => '9', 9 => 'Q', 10 => 'Q', 11 => 'A', 12 => 'Q', 13 => 'S', 14 => 'Q', 15 => 'Q', 16 => NULL, 17 => NULL, 18 => NULL, 19 => NULL, ), 3 => array ( 0 => NULL, 1 => 'H', 2 => 'H', 3 => NULL, 4 => NULL, 5 => 'A', 6 => 'A', 7 => 'A', 8 => 'A', 9 => 'A', 10 => 'A', 11 => 'H', 12 => 'A', 13 => 'W', 14 => 'A', 15 => 'A', 16 => NULL, 17 => NULL, 18 => NULL, 19 => NULL, ), 4 => array ( 0 => NULL, 1 => NULL, 2 => NULL, 3 => NULL, 4 => NULL, 5 => 'H', 6 => 'H', 7 => 'H', 8 => 'H', 9 => 'H', 10 => 'H', 11 => NULL, 12 => 'H', 13 => 'I', 14 => 'H', 15 => 'H', 16 => NULL, 17 => NULL, 18 => NULL, 19 => NULL, ), ) --- *** Step #3: Convert column data to strings with the added benefit of eliminating NULLs *** --- *** Step #4: Count the occurrences of each character; stored as ord values as keys, and occurrences as values *** array ( 0 => array ( 77 => 20, ), 1 => array ( 86 => 1, 87 => 8, 89 => 11, ), 2 => array ( 57 => 2, 65 => 3, 81 => 7, 83 => 1, 87 => 2, ), 3 => array ( 65 => 9, 72 => 3, 87 => 1, ), 4 => array ( 72 => 9, 73 => 1, ), ) --- *** Step #5: Sort DESC while preserving keys *** array ( 0 => array ( 77 => 20, ), 1 => array ( 89 => 11, 87 => 8, 86 => 1, ), 2 => array ( 81 => 7, 65 => 3, 57 => 2, 87 => 2, 83 => 1, ), 3 => array ( 65 => 9, 72 => 3, 87 => 1, ), 4 => array ( 72 => 9, 73 => 1, ), ) --- *** Step #6: Target the first (highest occurring) value/character in the array *** array ( 0 => 77, 1 => 89, 2 => 81, 3 => 65, 4 => 72, ) --- *** Step #7: Convert the targeted character from ord() to chr() *** array ( 0 => 'M', 1 => 'Y', 2 => 'Q', 3 => 'A', 4 => 'H', )
preferences:
180.24 ms | 413 KiB | 158 Q