find day from date in php code example

Example 1: php get day from date

$timestamp = strtotime('2009-10-22');

$day = date('D', $timestamp);
var_dump($day);

Example 2: get day from date php

// Prints the day
echo date("l") . "<br>";

Example 3: get day of month php

// get day of month php
// Method 1; some server not work, I had check php 7.3.24 not worked, php 7.3.8 worked
cal_days_in_month(CAL_GREGORIAN, $month, $year)
echo (cal_days_in_month(CAL_GREGORIAN, 2, 2020)); // => 29

// Method 2;
function days_in_month($month, $year) {
    // calculate number of days in a month
    return $month == 2 ? ($year % 4 ? 28 : ($year % 100 ? 29 : ($year % 400 ? 28 : 29))) : (($month - 1) % 7 % 2 ? 30 : 31);
}

// Method 3;
echo (date('t', strtotime('2020-02-1')));	// 29

Example 4: how to check the day of any date in php

// how to check the day of any date in php?

//Our YYYY-MM-DD date string.
$date = $request->start_date;

//Convert the date string into a unix timestamp.
$unixTimestamp = strtotime($date);

//Get the day of the week using PHP's date function.
$dayOfWeek = date("l", $unixTimestamp);

//Print out the day that our date fell on.
$day = $date . ' fell on a ' . $dayOfWeek;