$array = [1, 2, "name"=>"Three", 4];
print_r($array);

Array
(
    [0] => 1
    [1] => 2
    [name] => Three
    [2] => 4
)

$array = [1, 2, 7=>"Three", 4];
print_r($array);

Array
(
    [0] => 1
    [1] => 2
    [7] => Three
    [8] => 4
)

$array = [1, 2, 7=>"Three", 4=>"forth", 25];
print_r($array);

Array
(
    [0] => 1
    [1] => 2
    [7] => Three
    [4] => forth
    [8] => 25
)

$array = [
	1    => "a",
    "1"  => "b",
    "-1"  => "-b",
    '1.5'  => "c",
    true => "d",
];
print_r($array);

Array
(
    [1] => d
    [-1] => -b
    [1.5] => c
)

`
$items = array("me", "you", "he");

array_push($items, "she", "we");

print_r($items);

`
Formats can be:

echo "Today is ". date("Y/m/d") . "\n";
echo "Today is ". date("d/m/Y"). "\n";
echo "Today is ". date("D/M/Y"). "\n";
echo "Today is ". date("d/M/Y"). "\n";
echo "Today is ". date("d.m.Y"). "\n";
echo "Today is ". date("d-m-Y"). "\n";
echo "Today is ". date("l"). "\n";

`
Output:
Today is 2022/10/22
Today is 22/10/2022
Today is Sat/Oct/2022
Today is 22/Oct/2022
Today is 22.10.2022
Today is 22-10-2022
Today is Saturday

$name = 'oto' ;

$age = 32;

$height= 1.8;

$android = true;

$fruits = [apple , watermelon , orange ];

<?php

$x = 10;

// Sum of numbers from 1 to n
$sum = 0;
for ($i = 1;  $i <= $x;  $i++) {
	$sum += $i;
}
echo "SUM of numbers from 1 to $x: $sum\n";


// easy way to calculate SUM of numbers to n
$sum = $from1To * ($x+1) / 2;
echo "SUM of numbers from 1 to $x: $sum\n";

function str_info($string,$pos){
    $arr= ["length is: ". strlen($string),
           "UPPER:". strtoupper($string),
           "string possitin: " .strpos($string, $pos),
           "reverse is: ".strrev($string)];
    return implode("\n", $arr) ; // აქ შეაერთებს მასივის ელემენტებს და დააბრუნებს ტექსტის სახით

<?php
$arr=[];
for ($i=0; $i<10; $i++){
    $arr[$i]= rand(0,100);  
}
print_r($arr);