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<?php
class d {
function log($str) {
static $count = 0;
error_log($count++ . " " . $str);
}
function logv($var, $label) {
d::log(d::str($var, $label));
}
// returns a debug string.
function str($var, $string = '') {
$out = "";
// TRUE, FALSE, NULL and empty arrays: return this value
if($var === true) {
$out .= htmlentities($string . ' = TRUE;') . "\n";
} else if($var === false) {
$out .= htmlentities($string . ' = FALSE;') . "\n";
} else if($var === null) {
$out .= htmlentities($string . ' = NULL;') . "\n";
} else if($var === array()) {
$out .= htmlentities($string . ' = array();') . "\n";
// array or object - foreach element of $var
} else if ( is_array( $var ) || is_object($var) ) {
foreach($var as $k=>$v) {
// Format the string which stands next to the ' = '.
// [] for arrays and -> for objects
if(is_array($var)) {
if(is_string($k)) {
$k = "'" . str_replace('\"', '"',
addslashes($k)) . "'";
}
$new_string = $string . '[' . $k . ']';
} else if(is_object($var)) {
$new_string = $string . '->' . $k;
}
// dive
$out .= d::str($v, $new_string);
}
// not object, not array
} else {
// Format as a string if it is one
if(is_string($var)) {
$var = "'" . str_replace('\"', '"',
addslashes($var)) . "'";
}
if ($string) $string .= ' = ';
$out .= htmlentities($string . $var) . ";\n";
}
return $out;
}
function stack() {
if (PHPVERSION() < 4.3) return;
$s = '';
$MAXSTRLEN = 64;
$s = '<pre align=left>';
$traceArr = debug_backtrace();
array_shift($traceArr);
$tabs = sizeof($traceArr)-1;
foreach ($traceArr as $arr) {
for ($i=0; $i < $tabs; $i++) $s .= ' ';
$tabs -= 1;
$s .= '<font face="Courier New,Courier">';
if (isset($arr['class'])) $s .= $arr['class'].'.';
foreach($arr['args'] as $v) {
if (is_null($v)) $args[] = 'null';
else if (is_array($v)) $args[] = 'Array['.sizeof($v).']';
else if (is_object($v)) $args[] = 'Object:'.get_class($v);
else if (is_bool($v)) $args[] = $v ? 'true' : 'false';
else {
$v = (string) @$v;
$str = htmlspecialchars(substr($v,0,$MAXSTRLEN));
if (strlen($v) > $MAXSTRLEN) $str .= '...';
$args[] = $str;
}
}
$s .= $arr['function'].'('.implode(', ',$args).')';
$s .= sprintf("</font><font color=#808080 size=-1> # line %4d,". " file: <a href=\"file:/%s\">%s</a></font>", $arr['line'],$arr['file'],$arr['file']);
$s .= "\n";
}
$s .= '</pre>';
print $s;
die();
}
function stackstr() {
if (PHPVERSION() < 4.3) return;
$s = '';
$traceArr = debug_backtrace();
array_shift($traceArr);
for($i=count($traceArr)-1; $i>=0; $i--) {
if (isset($traceArr[$i]['class']))
$s .= $traceArr[$i]['class'] . "::";
$s .= $traceArr[$i]['function'] . '() > ';
}
return $s;
}
// a delayed debug which can be used to overlay at the end
// a floating debug layer.
function overlay($var = ' not set ') {
static $html;
if ($var == ' not set ') {
return $html;
}
else {
ob_start();
echo "<div class=subdebug><pre>";
if (isset($var))
print_r($var);
else
echo "Error: variable not set";
echo "</pre></div>";
$contents = &ob_get_contents();
$html .= $contents;
ob_end_clean();
}
}
function printr($var) {
echo "<div class=debug><pre>";
print_r($var);
echo "</pre></div>";
}
function printvar($var,$label) {
echo "<br>";
echo d::str($var, $label);
}
}
return;
?>
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