// Mandatory to set the default timezone to work with DateTime functions
date_default_timezone_set('America/Sao_Paulo');

$start_date = new DateTime('2010-10-01');
$end_date = new DateTime('2010-10-05');

$period = new DatePeriod(
	$start_date, // 1st PARAM: start date
	new DateInterval('P1D'), // 2nd PARAM: interval (1 day interval in this case)
	$end_date, // 3rd PARAM: end date
	DatePeriod::EXCLUDE_START_DATE // 4th PARAM (optional): self-explanatory
);


foreach($period as $date) {
	echo $date->format('Y-m-d').'<br/>'; // Display the dates in yyyy-mm-dd format
}

// Mandatory to set the default timezone to work with DateTime functions
date_default_timezone_set('America/Sao_Paulo');

$period = new DatePeriod(
	new DateTime('2010-10-01'), // 1st PARAM: start date
	new DateInterval('P1D'), // 2nd PARAM: interval (1 day interval in this case)
	new DateTime('2010-10-05'), // 3rd PARAM: end date
	DatePeriod::EXCLUDE_START_DATE // 4th PARAM (optional): self-explanatory
);


foreach($period as $date) {
	echo $date->format('Y-m-d').'<br/>'; // Display the dates in yyyy-mm-dd format
}

Show a list of days between two dates, using native php DateTime functions

Show a list of days between two dates

php

PHP