104 lines
3.6 KiB
PHP
104 lines
3.6 KiB
PHP
<?php
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require_once(CRAYON_ROOT_PATH . 'crayon_settings.class.php');
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/* Manages logging variable values to the log file. */
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class CrayonLog
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{
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private static $file = NULL;
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// Logs a variable value to a log file
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public static function log($var = NULL, $title = '', $trim_url = TRUE)
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{
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if ($var === NULL) {
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// Return log
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if (($log = CrayonUtil::file(CRAYON_LOG_FILE)) !== FALSE) {
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return $log;
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} else {
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return '';
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}
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} else {
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try {
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if (self::$file == NULL) {
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self::$file = @fopen(CRAYON_LOG_FILE, 'a+');
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if (self::$file) {
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$header = /*CRAYON_DASH .*/
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CRAYON_NL . '[Crayon Syntax Highlighter Log Entry - ' . date('g:i:s A - d M Y') . ']' . CRAYON_NL .
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/*CRAYON_DASH .*/
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CRAYON_NL;
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fwrite(self::$file, $header);
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} else {
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return;
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}
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}
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// Capture variable dump
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$buffer = trim(strip_tags(var_export($var, true)));
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$title = (!empty($title) ? " [$title]" : '');
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// Remove absolute path to plugin directory from buffer
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if ($trim_url) {
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$buffer = CrayonUtil::path_rel($buffer);
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}
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$write = $title . ' ' . $buffer . CRAYON_NL /* . CRAYON_LINE . CRAYON_NL*/
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;
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// If we exceed max file size, truncate file first
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if (filesize(CRAYON_LOG_FILE) + strlen($write) > CRAYON_LOG_MAX_SIZE) {
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ftruncate(self::$file, 0);
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fwrite(self::$file, 'The log has been truncated since it exceeded ' . CRAYON_LOG_MAX_SIZE .
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' bytes.' . CRAYON_NL . /*CRAYON_LINE .*/ CRAYON_NL);
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}
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clearstatcache();
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fwrite(self::$file, $write, CRAYON_LOG_MAX_SIZE);
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} catch (Exception $e) {
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// Ignore fatal errors during logging
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}
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}
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}
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// Logs system-wide only if global settings permit
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public static function syslog($var = NULL, $title = '', $trim_url = TRUE)
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{
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if (CrayonGlobalSettings::val(CrayonSettings::ERROR_LOG_SYS)) {
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$title = (empty($title)) ? 'SYSTEM LOG' : $title;
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self::log($var, $title, $trim_url);
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}
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}
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public static function debug($var = NULL, $title = '', $trim_url = TRUE)
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{
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if (CRAYON_DEBUG) {
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$title = (empty($title)) ? 'DEBUG' : $title;
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self::log($var, $title, $trim_url);
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}
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}
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public static function clear()
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{
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if (!@unlink(CRAYON_LOG_FILE)) {
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// Will result in nothing if we can't log
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self::log('The log could not be cleared', 'Log Clear');
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}
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self::$file = NULL; // Remove file handle
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}
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public static function email($to, $from = NULL)
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{
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if (($log_contents = CrayonUtil::file(CRAYON_LOG_FILE)) !== FALSE) {
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$headers = $from ? 'From: ' . $from : '';
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$result = @mail($to, 'Crayon Syntax Highlighter Log', $log_contents, $headers);
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self::log('The log was emailed to the admin.', 'Log Email');
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} else {
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// Will result in nothing if we can't email
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self::log("The log could not be emailed to $to.", 'Log Email');
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}
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}
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}
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