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Pretty print_r()

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  1. <?php
  2.  
  3. $GLOBALS['ppr_mode'] = 'on';
  4.  
  5. function ppr_set_mode($mode) {
  6. 	// mode = html | off | log
  7. 	$GLOBALS['ppr_mode'] = $mode;
  8. }
  9.  
  10. function ppr() {
  11. 	if ($GLOBALS['ppr_mode'] == 'off') {
  12. 		return;
  13. 	}
  14. 	$bt = debug_backtrace();
  15. 	$file = str_replace($_SERVER['DOCUMENT_ROOT'].'/','',$bt[0]['file']);
  16. 	$line = $bt[0]['line'];
  17. 	$context = "ppr from $file($line)\n";
  18.  
  19. 	$args = _ppr_format_args(func_get_args());
  20. 	$html = _ppr_get_html($args);
  21. 	if ($GLOBALS['ppr_mode'] == 'log') {
  22. 		$html = $context . $html;
  23. 		error_log(_ppr_html_to_plain($html));
  24. 	}
  25. 	else {
  26. 		echo _ppr_get_style();
  27. 		echo '<pre class="ppr">';
  28. 		echo $context;
  29. 		echo $html;
  30. 		echo '</pre>';
  31. 	}
  32. }
  33.  
  34. function ppr_table($rows) {
  35. 	if ($GLOBALS['ppr_mode'] != 'html') {
  36. 		return;
  37. 	}
  38. 	echo _ppr_get_style();
  39. 	if (count($rows) == 0) {
  40. 		echo '<pre class="ppr">[Empty Table]</pre>';
  41. 		return;
  42. 	}
  43. 	echo '<pre class="ppr"><table class="ppr-rs" border="1"><tr>';
  44. 	foreach ($rows[0] as $th => $v) {
  45. 		echo "<th>$th</th>";
  46. 	}
  47. 	echo '</tr>';
  48. 	foreach ($rows as $row) {
  49. 		echo '<tr>';
  50. 		foreach ($row as $value) {
  51. 			echo '<td>' . _ppr_get_html($value, 1) . '</td>';
  52. 		}
  53. 		echo '</tr>';
  54. 	}
  55. 	echo '</table></pre>';
  56. }
  57.  
  58. function _ppr_get_object_vars($obj, $dump = '') {
  59. 	if (method_exists($obj, 'pprGetObjectVars')) {
  60. 		return $obj->pprGetObjectVars($dump);
  61. 	}
  62. 	$props = get_object_vars($obj);
  63. 	return $props;
  64. }
  65.  
  66. function _ppr_format_args($args) {
  67. 	if (count($args) == 1) {
  68. 		$args = $args[0];
  69. 	}
  70. 	else {
  71. 		$newArgs = array();
  72. 		foreach ($args as $i => $a) {
  73. 			$newArgs["@arg$i"] = $a;
  74. 		}
  75. 		$args = $newArgs;
  76. 	}
  77. 	return $args;
  78. }
  79.  
  80. function _ppr_get_html($val, $_maxDepth=16, $_level=0, $_isInObject=false, &$_objIdCache=array()) {
  81. 	$out = '';
  82. 	if ($val === false || $val === true) {
  83. 		$out .= _ppr_get_html_bool($val);
  84. 	}
  85. 	elseif ($val === null) {
  86. 		$out .= _ppr_get_html_null();
  87. 	}
  88. 	elseif (is_resource($val)) {
  89. 		$out .= _ppr_get_html_resource($val);
  90. 	}
  91. 	elseif (is_array($val)) {
  92. 		$out .= _ppr_get_html_array($val, $_maxDepth, $_level, $_isInObject, $_objIdCache);
  93. 	}
  94. 	elseif (is_object($val)) {
  95. 		$out .= _ppr_get_html_object($val, $_maxDepth, $_level, $_isInObject, $_objIdCache);
  96. 	}
  97. 	elseif (is_float($val)) {
  98. 		$out .= _ppr_get_html_float($val);
  99. 	}
  100. 	elseif (is_int($val)) {
  101. 		$out .= _ppr_get_html_int($val);
  102. 	}
  103. 	else {
  104. 		$out .= _ppr_get_html_string($val);
  105. 	}
  106. 	if (!$_isInObject) {
  107. 		$out .= "<br />";
  108. 	}
  109. 	return $out;
  110. }
  111.  
  112. function _ppr_get_html_bool($val) {
  113. 	return '<span class="ppr-bool">' . ($val ? 'true' : 'false') . '</span>';
  114. }
  115.  
  116. function _ppr_get_html_null() {
  117. 	return '<span class="ppr-null">null</span>';
  118. }
  119.  
  120. function _ppr_get_html_resource($val) {
  121. 	ob_start();
  122. 	var_dump($val);
  123. 	$dump = ob_get_clean();
  124. 	preg_match('/^.+\((\d+)\) of type \(([\w_ ]+)\)$/',$dump,$match);
  125. 	return '<span class="ppr-resource">Resource #' . $match[1] . ' <span class="ppr-resource-type">'.$match[2].'</span></span>';
  126. }
  127.  
  128. function _ppr_get_html_array($val, $_maxDepth=16, $_level=0, $_isInObject=false, &$_objIdCache=array()) {
  129. 	$indent = str_repeat('&nbsp;&nbsp;&nbsp;',$_level);
  130. 	$indentNext = str_repeat('&nbsp;&nbsp;&nbsp;',$_level+1);
  131.  
  132. 	$out = '';
  133. 	if ($_maxDepth == 0) {
  134. 		$out .= '<span class="ppr-array">Array <span class="ppr-parens">(</span> <span class="ppr-max">Max Depth</span> <span class="ppr-parens">)</span></span>';
  135. 	}
  136. 	else {
  137. 		if (!$_isInObject) {
  138. 			$out .= '<span class="ppr-array">Array <span class="ppr-parens">(</span></span><br />';
  139. 		}
  140. 		foreach ($val as $k => $v) {
  141. 			$out .= $indentNext . '<span class="ppr-bracket">[<span class="ppr-array-key">' . htmlentities((string) $k,ENT_QUOTES,'utf-8') . '</span>]</span>';
  142. 			$out .= ' <span class="ppr-arrow">=&gt;</span> ' .  _ppr_get_html($v, $_maxDepth-1, $_level+1, false, $_objIdCache);
  143. 		}
  144. 		if (!$_isInObject) {
  145. 			$out .= $indent . '<span class="ppr-parens">)</span>';
  146. 		}
  147. 	}
  148. 	return $out;
  149. }
  150.  
  151. function _ppr_get_html_object($val, $_maxDepth=16, $_level=0, $_isInObject=false, &$_objIdCache=array()) {
  152. 	$indent = str_repeat('&nbsp;&nbsp;&nbsp;',$_level);
  153.  
  154. 	$out = '';
  155. 	ob_start();
  156. 	var_dump($val);
  157. 	$dump = ob_get_clean();
  158. 	preg_match('/^\w+\(([\w_]+)\)#(\d+)/',$dump,$match);
  159. 	unset($dump);
  160. 	$class = $match[1];
  161. 	$id = $match[2];
  162. 	if ($_maxDepth <= 1 || isset($_objIdCache[$id])) {
  163. 		$text = (isset($_objIdCache[$id]) ? 'Recursion' : 'Max Depth');
  164. 		$out .= '<span class="ppr-object">Object #' . $id .' <span class="ppr-class">'.$class.'</span> <span class="ppr-brace">{</span> <span class="ppr-max">'.$text.'</span> <span class="ppr-brace">}</span></span>';
  165. 	}
  166. 	else {
  167. 		$_objIdCache[$id] = 1;
  168.  
  169. 		$props = _ppr_get_object_vars($val, $dump);
  170. 		$out .= '<span class="ppr-object">Object #' . $id .' <span class="ppr-class">'.$class.'</span> <span class="ppr-brace">{</span></span>';
  171. 		if (count($props)) {
  172. 			$out .= "<br />";
  173. 			$out .= _ppr_get_html($props,$_maxDepth-1,$_level,true,$_objIdCache);
  174. 			$out .= $indent;
  175. 		}
  176. 		$out .= '<span class="ppr-brace">}</span>';
  177. 	}
  178. 	return $out;
  179. }
  180.  
  181. function _ppr_get_html_float($val) {
  182. 	return '<span class="ppr-float">' . $val . '</span>';
  183. }
  184.  
  185. function _ppr_get_html_int($val) {
  186. 	return '<span class="ppr-int">' . $val . '</span>';
  187. }
  188.  
  189. function _ppr_get_html_string($val) {
  190. 	return '<span class="ppr-string"><span class="ppr-lquot">&ldquo;</span>' . htmlentities((string) $val,ENT_QUOTES) . '<span class="ppr-rquot">&rdquo;</span></span>';
  191. }
  192.  
  193. function _ppr_get_style() {
  194. 	static $style_printed;
  195. 	if ($style_printed) {
  196. 		return '';
  197. 	}
  198. 	$style_printed = true;
  199. 	return '
  200. <style type="text/css" media="screen">
  201. pre.ppr {
  202. 	font-family: "Bitstream Vera Sans Mono", Consolas, "Courier New", monospace;
  203. 	font-size: 12px;
  204. 	line-height: 130%;
  205. 	word-wrap: break-word; /* IE 5.5 - 7 */
  206. 	white-space: pre-wrap; /* IE8, EOMB */
  207. 	background-color: rgb(255,255,255);
  208. 	background-color: rgba(255,255,255,0.92);
  209. 	border: 1px solid #888;
  210. 	padding: 5px;
  211. 	text-align: left;
  212. 	clear: both;
  213. }
  214. .ppr-array,
  215. .ppr-object,
  216. .ppr-resource {
  217. 	font-style: italic;
  218. }
  219. .ppr-brace,
  220. .ppr-parens {
  221. 	font-style: normal;
  222. }
  223. .ppr-string {
  224. 	color: #008800;
  225. 	font-weight: normal;
  226. }
  227. .ppr-lquot {
  228. 	color: #777;
  229. 	font-family: "Times New Roman", Times, serif;
  230. 	font-weight: bold;
  231. 	font-size: 10px;
  232. 	margin-right: 2px;
  233. }
  234. .ppr-rquot {
  235. 	color: #777;
  236. 	font-family: "Times New Roman", Times, serif;
  237. 	font-weight: bold;
  238. 	font-size: 10px;
  239. 	margin-left: 2px;
  240. }
  241. .ppr-arrow {
  242. 	color: #777;
  243. 	font-weight: bold;
  244. }
  245. .ppr-array-key {
  246. 	color: #303030;
  247. 	font-weight: normal;
  248. }
  249. .ppr-class,
  250. .ppr-resource-type {
  251. 	color: #0055ee;
  252. 	font-weight: bold;
  253. 	font-style: normal;
  254. }
  255. .ppr-null {
  256. 	color: #0000ee;
  257. 	font-style: italic;
  258. }
  259. .ppr-bool {
  260. 	color: #dd7700;
  261. 	font-style: italic;
  262. }
  263. .ppr-bracket {
  264. 	color: #888;
  265. }
  266. .ppr-float {
  267. 	color: #2200ee;
  268. 	font-weight: bold;
  269. }
  270. .ppr-int {
  271. 	color: #cc0000;
  272. 	font-weight: bold;
  273. }
  274. .ppr-max {
  275. 	text-transform: uppercase;
  276. 	font-style: italic;
  277. 	color: #bb6666;
  278. 	font-weight: bold;
  279. }
  280. </style>';
  281. }
  282.  
  283. function _ppr_html_to_plain($html) {
  284. 	$html = str_replace('&ldquo;','"', $html);
  285. 	$html = str_replace('&rdquo;','"', $html);
  286. 	$html = str_replace('&nbsp;'," ", $html);
  287. 	$html = str_replace('<br />',"\n", $html);
  288.  
  289. 	$str = strip_tags($html);
  290. 	$str = html_entity_decode($str);
  291. 	$str = trim($str);
  292. 	return $str;
  293. }

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