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<?php
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/* --------------------------------------------------------------
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GMJSON.php 2015-03-09 mb
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Gambio GmbH
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http://www.gambio.de
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Copyright (c) 2015 Gambio GmbH
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Released under the GNU General Public License (Version 2)
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[http://www.gnu.org/licenses/gpl-2.0.html]
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--------------------------------------------------------------
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*/
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class GMJSON
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{
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protected $v_urlencode;
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protected $htmlspecialchars;
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function __construct($p_urlencode = true, $p_htmlspecialchars = false)
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{
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$this->v_urlencode = $p_urlencode;
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$this->htmlspecialchars = $p_htmlspecialchars;
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}
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function is_associative($p_array)
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{
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if(!is_array($p_array))
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{
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return false;
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}
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foreach(array_keys($p_array) AS $t_key => $t_value)
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{
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if($t_key !== $t_value)
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{
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return true;
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}
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}
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return false;
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}
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function create_value($p_value)
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{
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if(is_string($p_value))
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{
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if($this->get_urlencode() == true)
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{
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$p_value = htmlspecialchars_wrapper($p_value);
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$p_value = urlencode($p_value);
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}
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elseif($this->htmlspecialchars === true)
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{
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$p_value = htmlspecialchars_wrapper($p_value);
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$p_value = str_replace('+', '%2B', $p_value);
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}
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$p_value = str_replace("\r\n", '\r\n', $p_value);
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$p_value = str_replace("\n", '\r\n', $p_value);
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$p_value = str_replace("\r", '\r', $p_value);
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$t_value = '"' . $p_value . '"';
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}
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elseif(is_null($p_value))
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{
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$t_value = 'null';
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}
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elseif($p_value === true)
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{
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$t_value = 'true';
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}
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elseif($p_value === false)
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{
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$t_value = 'false';
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}
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else
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{
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$t_value = $p_value;
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}
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return $t_value;
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}
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function encode($p_input)
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{
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$t_output = '';
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if(!is_object($p_input) && !is_array($p_input))
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{
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$t_output = $this->create_value($p_input);
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}
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else
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{
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$t_input_array = (array)$p_input;
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if(!$this->is_associative($t_input_array))
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{
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$t_output .= '[';
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}
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$index_count = 0;
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foreach($t_input_array AS $t_key => $t_value)
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{
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$index_count++;
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if(is_object($t_value) || is_array($t_value))
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{
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if($this->is_associative($t_input_array))
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{
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$t_output .= '"' . $t_key . '":';
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}
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$t_output .= $this->encode($t_value);
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}
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else
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{
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if($this->is_associative($t_input_array))
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{
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$t_output .= '"' . $t_key . '":' . $this->create_value($t_value);
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}
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else
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{
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$t_output .= $this->create_value($t_value);
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}
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}
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if(count($t_input_array) != $index_count)
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{
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$t_output .= ',';
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}
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}
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if(!$this->is_associative($t_input_array))
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{
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$t_output .= ']';
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}
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else
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{
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$t_output = '{' . $t_output . '}';
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}
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}
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$t_output = str_replace("\n", "\\n", $t_output);
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return $t_output;
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}
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function get_urlencode()
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{
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return $this->v_urlencode;
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}
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}
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