Converts a given timestamp from the past into a useful human form

unix_time_to_human_time.php

/*
 * This script is now deprecated. Find a much better version at
 * https://github.com/specify/specify7/blob/393538b081eb797beb502204cdea9311179361f6/specifyweb/frontend/js_src/lib/components/Atoms/Internationalization.ts#L129-L172
 * 
 * Along with tests:
 * https://github.com/specify/specify7/blob/393538b081eb797beb502204cdea9311179361f6/specifyweb/frontend/js_src/lib/components/Atoms/__tests__/internationalization.test.ts#L64-L120
 */

function unix_time_to_human_time($time){

	$time_passed = time()-$time;

	if($time_passed<60)
		$result = $time_passed.' seconds ago';

	elseif($time_passed<3600)
		$result = intval($time_passed/60).' minutes ago';

	elseif($time_passed<86400)
		$result = intval($time_passed/3600).' hours ago';

	else
		$result = intval($time_passed/86400).' days ago';

	return preg_replace('/^(1 \w+)s( ago)/','$1$2',$result);

}