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<?php $checkerboard = [["r","n","b","q","k","b","n","r"],["p","p","p","p","p","p","p","p"],["1","1","1","1","1","1","1","1"],["1","1","1","1","1","1","1","1"],["1","1","1","1","P","1","1","1"],["1","1","1","1","1","1","1","1"],["P","P","P","P","1","P","P","P"],["R","N","B","Q","K","B","N","R"]]; $FEN = ""; for ($i = 0;$i < 8;$i++){ for ($j = 0;$j < 8;$j++){ if ($checkerboard[$i][$j] === "1"){ if (@$checkerboard[$i][$j + 1] === "1"){ /* How to iterate till the end */ $FEN .= (int)$checkerboard[$i][$j] + (int)$checkerboard[$i][$j+1]; } } else { $FEN .= $checkerboard[$i][$j]; } } $FEN .= "/"; } echo $FEN; // Output should be: // rnbqkbnr/pppppppp/8/8/4P3/8/PPPP1PPP/RNBQKBNR
Output for 7.1.0 - 7.1.33, 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 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.4, 8.3.6 - 8.3.7
rnbqkbnr/pppppppp/2222222/2222222/222P22/2222222/PPPPPPP/RNBQKBNR/
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 rnbqkbnr/pppppppp/2222222/2222222/222P22/2222222/PPPPPPP/RNBQKBNR/
preferences:
142.89 ms | 402 KiB | 211 Q