Format time with removal of 00 (on hour), and auto compile start / end time

time-formatting.php

// Format date to remove 00 with on-hour times
// -------------------------------------------------------------
function mixd_format_time($time, $meridiem = false){
	
	$full_time = intval($time);
	$time = str_split($time, 2);
	$hour = date('g', mktime($time[0], 0, 0, 1, 1, 2000));
	$minute = $time[1];
	$day_split = '';
	
	if($meridiem):
		$day_split = date('a', mktime($time[0], 0, 0, 1, 1, 2000));
	endif;
	
	if($minute == '00'):
		$time = $hour.$day_split;
	else:
		$time = $hour.':'.$minute.$day_split;
	endif;
	
	return $time;
}

// Compile Time
// -------------------------------------------------------------
function mixd_compile_time($start_time, $finish_time, $separator = ' – '){

	if($start_time != ''):
		if($start_time != '?'):
			$start = mixd_format_time($start_time, true);
		else:
			$start = $start_time;
		endif;
	endif;
	if($finish_time != ''):
		if($finish_time != '?'):
			$finish = mixd_format_time($finish_time, true);
		else:
			$finish = $finish_time;
		endif;
	endif;

	if($start && $finish):
		return $start.$separator.$finish;
	else:
		if($start):
			return $start;
		endif;
	endif;
}