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<?php
/***************************************************************
* Copyright notice
*
* (c) 2010-2011 Steffen Kamper <steffen@typo3.org>
* All rights reserved
*
* This script is part of the TYPO3 project. The TYPO3 project is
* free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* The GNU General Public License can be found at
* http://www.gnu.org/copyleft/gpl.html.
* A copy is found in the textfile GPL.txt and important notices to the license
* from the author is found in LICENSE.txt distributed with these scripts.
*
*
* This script is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
/**
* Class to handle debug
*
*
* @author Steffen Kamper <steffen@typo3.org>
* @package TYPO3
* @subpackage t3lib
*/
final class t3lib_utility_Debug {
/**
* Template for debug output
*
* @var string
*/
const DEBUG_TABLE_TEMPLATE = '
<table class="typo3-debug" border="0" cellpadding="0" cellspacing="0" bgcolor="white" style="border:0px; margin-top:3px; margin-bottom:3px;">
<tr>
<td style="background-color:#bbbbbb; font-family: verdana,arial; font-weight: bold; font-size: 10px;">%s</td>
</tr>
<tr>
<td>
%s
</td>
</tr>
</table>
';
public static function debug($var = '', $header = '', $group = 'Debug') {
// buffer the output of debug if no buffering started before
if (ob_get_level() == 0) {
ob_start();
}
$debug = self::convertVariableToString($var);
if ($header) {
$debug = sprintf(self::DEBUG_TABLE_TEMPLATE, htmlspecialchars((string) $header), $debug);
}
if (TYPO3_MODE === 'BE') {
$debugString = self::prepareVariableForJavascript($debug, is_object($var));
$group = htmlspecialchars($group);
if ($header !== '') {
$tabHeader = htmlspecialchars($header);
} else {
$tabHeader = 'Debug';
}
$script = '
(function debug() {
var debugMessage = "' . $debugString . '";
var header = "' . $tabHeader . '";
var group = "' . $group . '";
if (typeof Ext !== "object" && (top && typeof top.Ext !== "object")) {
document.write(debugMessage);
return;
}
if (top && typeof Ext !== "object") {
Ext = top.Ext;
}
Ext.onReady(function() {
var TYPO3ViewportInstance = null;
if (top && top.TYPO3 && typeof top.TYPO3.Backend === "object") {
TYPO3ViewportInstance = top.TYPO3.Backend;
} else if (typeof TYPO3 === "object" && typeof TYPO3.Backend === "object") {
TYPO3ViewportInstance = TYPO3.Backend;
}
if (TYPO3ViewportInstance !== null) {
TYPO3ViewportInstance.DebugConsole.addTab(debugMessage, header, group);
} else {
document.write(debugMessage);
}
});
})();
';
echo t3lib_div::wrapJS($script);
} else {
echo $debug;
}
}
/**
* Replaces special characters for the usage inside javascript
*
* @param string $string
* @param boolean $asObject
* @return string
*/
public static function prepareVariableForJavascript($string, $asObject) {
if ($asObject) {
$string = str_replace(array(
'"', '/', '<', "\n", "\r"
), array(
'\"', '\/', '\<', '<br />', ''
), $string);
} else {
$string = str_replace(array(
'"', '/', '<', "\n", "\r"
), array(
'\"', '\/', '\<', '', ''
), $string);
}
return $string;
}
/**
* Converts a variable to a string
*
* @param mixed $variable
* @return string
*/
public static function convertVariableToString($variable) {
$string = '';
if (is_array($variable)) {
$string = self::viewArray($variable);
} elseif (is_object($variable)) {
$string = '<strong>|Object:<pre>';
$string .= print_r($variable, TRUE);
$string .= '</pre>|</strong>';
} elseif ((string) $variable !== '') {
$string = '<strong>|' . htmlspecialchars((string) $variable) . '|</strong>';
} else {
$string = '<strong>| debug |</strong>';
}
return $string;
}
/**
* Opens a debug message inside a popup window
*
* @param mixed $debugVariable
* @param string $header
* @param string $group
*/
public static function debugInPopUpWindow($debugVariable, $header = 'Debug', $group = 'Debug') {
$debugString = self::prepareVariableForJavascript(
self::convertVariableToString($debugVariable),
is_object($debugVariable)
);
$script = '
(function debug() {
var debugMessage = "' . $debugString . '",
header = "' . htmlspecialchars($header) . '",
group = "' . htmlspecialchars($group) . '",
browserWindow = function(debug, header, group) {
var newWindow = window.open("", "TYPO3DebugWindow_" + group,
"width=600,height=400,menubar=0,toolbar=1,status=0,scrollbars=1,resizable=1"
);
if (newWindow.document.body.innerHTML) {
newWindow.document.body.innerHTML = newWindow.document.body.innerHTML +
"<hr />" + debugMessage;
} else {
newWindow.document.writeln(
"<html><head><title>Debug: " + header + "(" + group + ")</title></head>"
+ "<body onload=\"self.focus()\">"
+ debugMessage
+ "</body></html>"
);
}
}
if (!top.Ext) {
browserWindow(debugMessage, header, group);
} else {
top.Ext.onReady(function() {
if (top && top.TYPO3 && top.TYPO3.Backend) {
top.TYPO3.Backend.DebugConsole.openBrowserWindow(header, debugMessage, group);
} else {
browserWindow(debugMessage, header, group);
}
});
}
})();
';
echo t3lib_div::wrapJS($script);
}
/**
* Displays the "path" of the function call stack in a string, using debug_backtrace
*
* @return string
*/
public static function debugTrail() {
$trail = debug_backtrace();
$trail = array_reverse($trail);
array_pop($trail);
$path = array();
foreach ($trail as $dat) {
$pathFragment = $dat['class'] . $dat['type'] . $dat['function'];
// add the path of the included file
if (in_array($dat['function'], array('require', 'include', 'require_once', 'include_once'))) {
$pathFragment .= '(' . substr($dat['args'][0], strlen(PATH_site)) . '),' . substr($dat['file'], strlen(PATH_site));
}
$path[] = $pathFragment . '#' . $dat['line'];
}
return implode(' // ', $path);
}
/**
* Displays an array as rows in a table. Useful to debug output like an array of database records.
*
* @param mixed Array of arrays with similar keys
* @param string Table header
* @param boolean If TRUE, will return content instead of echo'ing out.
* @return void Outputs to browser.
*/
public static function debugRows($rows, $header = '', $returnHTML = FALSE) {
if (is_array($rows)) {
$firstEl = reset($rows);
if (is_array($firstEl)) {
$headerColumns = array_keys($firstEl);
$tRows = array();
// Header:
$tRows[] = '<tr><td colspan="' . count($headerColumns) .
'" style="background-color:#bbbbbb; font-family: verdana,arial; font-weight: bold; font-size: 10px;"><strong>' .
htmlspecialchars($header) . '</strong></td></tr>';
$tCells = array();
foreach ($headerColumns as $key) {
$tCells[] = '
<td><font face="Verdana,Arial" size="1"><strong>' . htmlspecialchars($key) . '</strong></font></td>';
}
$tRows[] = '
<tr>' . implode('', $tCells) . '
</tr>';
// Rows:
foreach ($rows as $singleRow) {
$tCells = array();
foreach ($headerColumns as $key) {
$tCells[] = '
<td><font face="Verdana,Arial" size="1">' .
(is_array($singleRow[$key]) ? self::debugRows($singleRow[$key], '', TRUE) : htmlspecialchars($singleRow[$key])) .
'</font></td>';
}
$tRows[] = '
<tr>' . implode('', $tCells) . '
</tr>';
}
$table = '
<table border="1" cellpadding="1" cellspacing="0" bgcolor="white">' . implode('', $tRows) . '
</table>';
if ($returnHTML) {
return $table;
}
else
{
echo $table;
}
} else
{
debug('Empty array of rows', $header);
}
} else {
debug('No array of rows', $header);
}
}
/**
* Returns a string with a list of ascii-values for the first $characters characters in $string
*
* @param string String to show ASCII value for
* @param integer Number of characters to show
* @return string The string with ASCII values in separated by a space char.
*/
public static function ordinalValue($string, $characters = 100) {
if (strlen($string) < $characters) {
$characters = strlen($string);
}
for ($i = 0; $i < $characters; $i++) {
$valuestring .= ' ' . ord(substr($string, $i, 1));
}
return trim($valuestring);
}
/**
* Returns HTML-code, which is a visual representation of a multidimensional array
* use t3lib_div::print_array() in order to print an array
* Returns FALSE if $array_in is not an array
*
* @param mixed Array to view
* @return string HTML output
*/
public static function viewArray($array_in) {
if (is_array($array_in)) {
$result = '
<table border="1" cellpadding="1" cellspacing="0" bgcolor="white">';
if (count($array_in) == 0) {
$result .= '<tr><td><font face="Verdana,Arial" size="1"><strong>EMPTY!</strong></font></td></tr>';
} else {
foreach ($array_in as $key => $val) {
$result .= '<tr>
<td valign="top"><font face="Verdana,Arial" size="1">' . htmlspecialchars((string) $key) . '</font></td>
<td>';
if (is_array($val)) {
$result .= self::viewArray($val);
} elseif (is_object($val)) {
$string = '';
if (method_exists($val, '__toString')) {
$string .= get_class($val) . ': ' . (string) $val;
} else {
$string .= print_r($val, TRUE);
}
$result .= '<font face="Verdana,Arial" size="1" color="red">' .
nl2br(htmlspecialchars($string)) .
'<br /></font>';
} else {
if (gettype($val) == 'object') {
$string = 'Unknown object';
} else {
$string = (string) $val;
}
$result .= '<font face="Verdana,Arial" size="1" color="red">' .
nl2br(htmlspecialchars($string)) .
'<br /></font>';
}
$result .= '</td>
</tr>';
}
}
$result .= '</table>';
} else {
$result = '<table border="1" cellpadding="1" cellspacing="0" bgcolor="white">
<tr>
<td><font face="Verdana,Arial" size="1" color="red">' .
nl2br(htmlspecialchars((string) $array_in)) .
'<br /></font></td>
</tr>
</table>'; // Output it as a string.
}
return $result;
}
/**
* Prints an array
*
* @param mixed Array to print visually (in a table).
* @return void
* @see viewArray()
*/
public static function printArray($array_in) {
echo self::viewArray($array_in);
}
}
?>