Online PHP editor | rfc for ohZqo

@ 2018-10-25T23:25:58Z

<?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',
  'cSort_0' => 'asc',
  'cSort_1' => 'asc',
  'search' => 'a'];
  
 function _filterArrayByKey(string $filter, $array){
        return array_filter(
            $array, 
            function($k) use ($filter){ 
                return preg_match('/(' . $filter . ')/',$k);
            }, 
            ARRAY_FILTER_USE_KEY
        );
    }
    
//   $v = preg_grep('/[cSearch]\_/', array_keys($vars));
  
//   $cSearch = array_filter($vars, function($k){ return preg_match('/(cSearch)/',$k);}, ARRAY_FILTER_USE_KEY);
$cVis = _filterArrayByKey('cVis',$vars);
  var_dump($cVis);

if(!empty($cVis)){
                $cVisStr = 'columnDefs: [ { targets: [ ';
                $cVisInd = [];
                for ($i = 0; $i < $vars['cNum']; $i++){
                    if(array_key_exists('cVis_' . $i, $cVis)){
                        $cVisInd[] = (int) $i;
                    }
                }
                $cVisStr .= implode(',',$cVisInd) .'], visible: false} ]';
                $jsout[] = $cVisStr;
            }
            
var_dump($cVisStr);

Output for git.master, git.master_jit, rfc.property-hooks: array(0) { } Warning: Undefined variable $cVisStr in /in/ohZqo on line 45 NULL

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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