Function - Send debug logs to browser console and/or system log (var/log/messages)

dev_script_logger_console_sys.php

<?php

// This goes in your log class, for this example we will access it in the view as $this->log->consoled
// These call a native platform log method, for this example we will call it $this->write()

public function syslog($message, $errlog = false) {
	syslog(LOG_NOTICE, 'debug: (' . $_SERVER['SERVER_NAME'] . '@' . $_SERVER['SERVER_ADDR'] . ') [INFO] ' . $this->clean($message));

	if ($errlog) {
		$this->write('@System | ' . $message);
	}
}

public function console($message, $errlog = false) {
	$this->console[] .= $message;

	if ($errlog) {
		$this->write('@Console | ' . $message);
	}
}

public function consoled() {

	return $this->clean($this->console);
}

private function clean($message) {
	$base_pool = array(
		'\'' => '\\\'',
		'"' => '\\\"',
		"\r" => ' ',
		"\n" => ' ',
		"\t" => ' '
	);
	
	foreach ($base_pool as $key => $value) {
		$message = str_replace($key, $value, $message); // iterate through pool key => values and replace in $message
	}
	
	return $message;
}

dev_view_logger_console_sys.tpl

<?php // This is the output into a view, building out a console log script ?>

<?php if ($this->log->consoled()) { ?>
<script type="text/javascript">
var cond_css_head = 'font-weight: bold; font-size: 1.2em; letter-spacing: -1; color: #658500;',
	cond_css_row = 'font-style: italic; color: #696969;';

console.log('%c<consoled>', cond_css_head);
console.log('%c // output from $this->log->consoled():', cond_css_row);
<?php foreach($this->log->consoled() as $message) { ?>
	console.log('%c <?php echo $message; ?>', cond_css_row);
<?php } ?>
console.log('%c</consoled>', cond_css_head);
</script>
<?php } ?>