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<?php $vars = ['len' => '-1', 'start' => '0', 'cNum' => '7', 'cSearch_0' => 'b', 'cSearch_1' => 'c', 'cSearch_2' => 'd', 'cSearch_3' => 'e', 'cSearch_4' => 'f', 'cSearch_5' => 'g', 'cSearch_6' => 'h']; // $v = preg_grep('/[cSearch]\_/', array_keys($vars)); $cSearch = array_filter($vars, function($k){ return preg_match('/(cSearch)/',$k);}, ARRAY_FILTER_USE_KEY); var_dump($cSearch); if(!empty($cSearch)){ $searchColOutStr = ',searchCols: ['; $searchColOut = []; for ($i = 0; $i < $vars['cNum']; $i++){ if(array_key_exists('cSearch_' . $i, $cSearch)){ $searchColOut[] = '{ "search": "' . $cSearch['cSearch_' . $i] . '"}'; }else{ $searchColOut[] = 'null'; } } $searchColOutStr .= implode(',', $searchColOut); $searchColOutStr .= ']'; } var_dump($searchColOutStr);
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 - 7.3.33, 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
array(7) { ["cSearch_0"]=> string(1) "b" ["cSearch_1"]=> string(1) "c" ["cSearch_2"]=> string(1) "d" ["cSearch_3"]=> string(1) "e" ["cSearch_4"]=> string(1) "f" ["cSearch_5"]=> string(1) "g" ["cSearch_6"]=> string(1) "h" } string(133) ",searchCols: [{ "search": "b"},{ "search": "c"},{ "search": "d"},{ "search": "e"},{ "search": "f"},{ "search": "g"},{ "search": "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 array(7) { ["cSearch_0"]=> string(1) "b" ["cSearch_1"]=> string(1) "c" ["cSearch_2"]=> string(1) "d" ["cSearch_3"]=> string(1) "e" ["cSearch_4"]=> string(1) "f" ["cSearch_5"]=> string(1) "g" ["cSearch_6"]=> string(1) "h" } string(133) ",searchCols: [{ "search": "b"},{ "search": "c"},{ "search": "d"},{ "search": "e"},{ "search": "f"},{ "search": "g"},{ "search": "h"}]"

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