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<?php $depth = 0; $traverse = [0, 0, 0]; $tags = ['table', 'row', 'cell']; $regex = []; foreach ($tags as $key=>$tag) $regex[$key] = '/(\['.$tag.'((?:[\s\.\#]+[a-z]*)*)\]+[^\[]((?:.|\s)*?(?=(?:\['.$tag.')|$)))/'; echo var_export($tags),PHP_EOL; echo var_export($regex),PHP_EOL; $content = "[table] [row] [cell] [cell] [row] [cell] [cell] [table] [row] [row] [cell] [row] "; $f_parse = function($matches) use (&$depth, &$traverse, $tags, $regex, &$f_parse) { $traverse[++$depth]++; if ($depth < count($regex)) { preg_replace_callback( $regex[$depth], $f_parse, $matches[0] ); } /* echo "$depth | ${traverse[$depth]} | $tags, ${regex[$depth]}", PHP_EOL; $result = ""; if ($depth < count($regex)) { preg_replace_callback( $regex[$depth], $f_parse, $matches[0] ); } return $result;*/ echo $depth, ' | ', $traverse[$depth], ' | ', PHP_EOL; $traverse[$depth--]--; return $depth; }; $content = preg_replace_callback( $regex[$depth], $f_parse, $content ); echo $content, "\n"; ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
array ( 0 => 'table', 1 => 'row', 2 => 'cell', ) array ( 0 => '/(\\[table((?:[\\s\\.\\#]+[a-z]*)*)\\]+[^\\[]((?:.|\\s)*?(?=(?:\\[table)|$)))/', 1 => '/(\\[row((?:[\\s\\.\\#]+[a-z]*)*)\\]+[^\\[]((?:.|\\s)*?(?=(?:\\[row)|$)))/', 2 => '/(\\[cell((?:[\\s\\.\\#]+[a-z]*)*)\\]+[^\\[]((?:.|\\s)*?(?=(?:\\[cell)|$)))/', ) Warning: Undefined array key 3 in /in/KnMrE on line 27 3 | 1 | 3 | 1 | 2 | 1 | 3 | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 3 | 1 | 2 | 1 | 1 | 1 | 00
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 array ( 0 => 'table', 1 => 'row', 2 => 'cell', ) array ( 0 => '/(\\[table((?:[\\s\\.\\#]+[a-z]*)*)\\]+[^\\[]((?:.|\\s)*?(?=(?:\\[table)|$)))/', 1 => '/(\\[row((?:[\\s\\.\\#]+[a-z]*)*)\\]+[^\\[]((?:.|\\s)*?(?=(?:\\[row)|$)))/', 2 => '/(\\[cell((?:[\\s\\.\\#]+[a-z]*)*)\\]+[^\\[]((?:.|\\s)*?(?=(?:\\[cell)|$)))/', ) Warning: Undefined array key 3 in /in/KnMrE on line 27 3 | 1 | 3 | 1 | 2 | 1 | 3 | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 3 | 1 | 2 | 1 | 1 | 1 | 00
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
array ( 0 => 'table', 1 => 'row', 2 => 'cell', ) array ( 0 => '/(\\[table((?:[\\s\\.\\#]+[a-z]*)*)\\]+[^\\[]((?:.|\\s)*?(?=(?:\\[table)|$)))/', 1 => '/(\\[row((?:[\\s\\.\\#]+[a-z]*)*)\\]+[^\\[]((?:.|\\s)*?(?=(?:\\[row)|$)))/', 2 => '/(\\[cell((?:[\\s\\.\\#]+[a-z]*)*)\\]+[^\\[]((?:.|\\s)*?(?=(?:\\[cell)|$)))/', ) Notice: Undefined offset: 3 in /in/KnMrE on line 27 3 | 1 | 3 | 1 | 2 | 1 | 3 | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 3 | 1 | 2 | 1 | 1 | 1 | 00
Output for 7.3.32 - 7.3.33
array ( 0 => 'table', 1 => 'row', 2 => 'cell', ) array ( 0 => '/(\\[table((?:[\\s\\.\\#]+[a-z]*)*)\\]+[^\\[]((?:.|\\s)*?(?=(?:\\[table)|$)))/', 1 => '/(\\[row((?:[\\s\\.\\#]+[a-z]*)*)\\]+[^\\[]((?:.|\\s)*?(?=(?:\\[row)|$)))/', 2 => '/(\\[cell((?:[\\s\\.\\#]+[a-z]*)*)\\]+[^\\[]((?:.|\\s)*?(?=(?:\\[cell)|$)))/', ) 3 | 1 | 3 | 1 | 2 | 1 | 3 | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 3 | 1 | 2 | 1 | 1 | 1 | 00
preferences:
210.01 ms | 402 KiB | 291 Q