Gist: Format JSON with PHP

gistfile1.php

<?php
  // forked from:
  // http://www.daveperrett.com/articles/2008/03/11/format-json-with-php/
  function indent($json) {
	  $result	= '';
	  $pos		= 2;
	  $strLen	= strlen($json);
	  $indentStr	= '	';
	  $newLine	= "\n";
	  $prevChar	= '';
	  $outOfQuotes= true;
	  for ($i=0; $i<=$strLen; $i++) {
		  // Grab the next character in the string.
		  $char = substr($json, $i, 1);
		  // Are we inside a quoted string?
		  if ($char == '"' && $prevChar != '\\') {
			  $outOfQuotes = !$outOfQuotes;		
		  // If this character is the end of an element, 
		  // output a new line and indent the next line.
		  } else if(($char == '}' || $char == ']') && $outOfQuotes) {
			  $result .= $newLine;
			  $pos --;
			  for ($j=0; $j<$pos; $j++) {
				  $result .= $indentStr;
			  }
		  }
		  // Add the character to the result string.
		  $result .= $char;
		  // If the last character was the beginning of an element, 
		  // output a new line and indent the next line.
		  if (($char == ',' || $char == '{' || $char == '[') && $outOfQuotes) {
			  $result .= $newLine;
			  if ($char == '{' || $char == '[') {
				  $pos ++;
			  }
			  for ($j = 0; $j < $pos; $j++) {
				  $result .= $indentStr;
			  }
		  }
		  $prevChar = $char;
	  }
	  return $result;
  }
?>