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  1. <?php
  2. $code='array(0  => "a", 123 => 123, $_POST["hello"][\'world\'] => array("is", "actually", "An array !"), 1234, \'got problem ?\', 
  3.  "a" => $GlobalScopeVar, $test_further => function test($noway){echo "this works too !!!";}, "yellow" => "blue",
  4.  "b" => array("nested"=>array(1,2,3), "nested"=>array(1,2,3),"nested"=>array(1,2,3)), "c" => function() use (&$VAR) { return isset($VAR) ? "defined" : "undefined" ; }
  5.   "bug", "fixed", "mwahahahaa" => "Yeaaaah"
  6. );'; // Sample data
  7.  
  8. $code = preg_replace('#(^\s*array\s*\(\s*)|(\s*\)\s*;?\s*$)#s', '', $code); // Just to get ride of array( at the beginning, and ); at the end
  9.  
  10. preg_match_all('~
  11. \s*    									# white spaces
  12. ########################## KEYS START ##########################
  13. (?:										# We\'ll use this to make keys optional
  14. (?P<keys>								# named group: keys
  15. \d+										# match digits
  16. |										# or
  17. "(?(?=\\\\")..|[^"])*"					# match string between "", works even 4 escaped ones "hello \" world"
  18. |										# or
  19. \'(?(?=\\\\\')..|[^\'])*\'				# match string between \'\', same as above :p
  20. |										# or
  21. \$\w+(?:\[(?:[^[\]]|(?R))*\])*			# match variables $_POST, $var, $var["foo"], $var["foo"]["bar"], $foo[$bar["fail"]]
  22. )										# close group: keys
  23. ########################## KEYS END ##########################
  24. \s*										# white spaces
  25. =>										# match =>
  26. )?										# make keys optional
  27. \s*										# white spaces
  28. ########################## VALUES START ##########################
  29. (?P<values>								# named group: values
  30. \d+										# match digits
  31. |										# or
  32. "(?(?=\\\\")..|[^"])*"					# match string between "", works even 4 escaped ones "hello \" world"
  33. |										# or
  34. \'(?(?=\\\\\')..|[^\'])*\'				# match string between \'\', same as above :p
  35. |										# or
  36. \$\w+(?:\[(?:[^[\]]|(?R))*\])*			# match variables $_POST, $var, $var["foo"], $var["foo"]["bar"], $foo[$bar["fail"]]
  37. |										# or
  38. array\s*\((?:[^()]|(?R))*\)				# match an array()
  39. |										# or
  40. \[(?:[^[\]]|(?R))*\]					# match an array, new PHP array syntax: [1, 3, 5] is the same as array(1,3,5)
  41. |										# or
  42. (?:function\s+)?\w+\s*					# match functions: helloWorld, function name
  43. (?:\((?:[^()]|(?R))*\))					# match function parameters (wut), (), (array(1,2,4))
  44. (?:(?:\s*use\s*\((?:[^()]|(?R))*\)\s*)? # match use(&$var), use($foo, $bar) (optionally)
  45. \{(?:[^{}]|(?R))*\}						# match { whatever}
  46. )?;?									# match ; (optionally)
  47. )										# close group: values
  48. ########################## VALUES END ##########################
  49. \s*										# white spaces
  50. ~xsi', $code, $m); // Matching :p
  51.  
  52. print_r($m['keys']); // Print keys
  53. print_r($m['values']); // Print values
  54.  
  55.  
  56. // Since some keys may be empty in case you didn't specify them in the array, let's fill them up !
  57. foreach($m['keys'] as $index => &$key){
  58. 	if($key === ''){
  59. 		$key = 'made_up_index_'.$index;
  60. 	}
  61. }
  62. $results = array_combine($m['keys'], $m['values']);
  63. print_r($results); // printing results
  64. ?>
Success #stdin #stdout 0.01s 20520KB
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Standard input is empty
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Array
(
    [0] => 0
    [1] => 123
    [2] => $_POST["hello"]['world']
    [3] => 
    [4] => 
    [5] => "a"
    [6] => $test_further
    [7] => "yellow"
    [8] => "b"
    [9] => "c"
    [10] => 
    [11] => 
    [12] => "mwahahahaa"
)
Array
(
    [0] => "a"
    [1] => 123
    [2] => array("is", "actually", "An array !")
    [3] => 1234
    [4] => 'got problem ?'
    [5] => $GlobalScopeVar
    [6] => function test($noway){echo "this works too !!!";}
    [7] => "blue"
    [8] => array("nested"=>array(1,2,3), "nested"=>array(1,2,3),"nested"=>array(1,2,3))
    [9] => function() use (&$VAR) { return isset($VAR) ? "defined" : "undefined" ; }
    [10] => "bug"
    [11] => "fixed"
    [12] => "Yeaaaah"
)
Array
(
    [0] => "a"
    [123] => 123
    [$_POST["hello"]['world']] => array("is", "actually", "An array !")
    [made_up_index_3] => 1234
    [made_up_index_4] => 'got problem ?'
    ["a"] => $GlobalScopeVar
    [$test_further] => function test($noway){echo "this works too !!!";}
    ["yellow"] => "blue"
    ["b"] => array("nested"=>array(1,2,3), "nested"=>array(1,2,3),"nested"=>array(1,2,3))
    ["c"] => function() use (&$VAR) { return isset($VAR) ? "defined" : "undefined" ; }
    [made_up_index_10] => "bug"
    [made_up_index_11] => "fixed"
    ["mwahahahaa"] => "Yeaaaah"
)
https://ideone.com/qAZmoE
language:
PHP (php 7.3.5)
created:
10 years ago
visibility:
public

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