Hammaga salom.
Demak yana davom ettiramiz.
PHP DATA TYPES:
String
Integer
Float (floating point numbers - also called double)
Boolean
Array
Object
NULL
Resource
PHP String namuna:
[code=html]
<?php 
$x = "Hello world!";
$y = 'Hello world!';

echo $x;
echo "<br>"; 
echo $y;
?>
[/code]
*- yani matnli ozgaruvchilar, string deb ataladi.
PHP Integer namuna:
[code=html]
<?php 
$x = 5985;
var_dump($x);
?>
[/code]
*- yani integerda decimal emas boshqalar qollaniladi: -2,147,483,648 va 2,147,483,647.
Integer hech bolmaganda bitta raqamdan tashil topishi.Decimal bolmasligi.
Yuqoridagi namunada "$x" bu integer, PHP var_dump(); funksiya integerga qaytish uchun.
PHP Float namuna:
[code=html]
<?php 
$x = 10.365;
var_dump($x);
?>
[/code]
PHP Boolean namuna:
$x=true;
$y=false:
*- boolean ikkita true(togri) va false(yolgon) dan tashkil topadi.
PHP Array namuna:
[code=html]
<?php 
$cars = array("Volvo","BMW","Toyota");
var_dump($cars);
?>
[/code]
*- koryapmizki, bu yerda $cars array, chunki array koplab amallardan iborat.
PHP String function:
Funksiya strlen(); dan iborat, yani string+length=strlen
Bu satrni olchamini, undagi belgilar sonini aniqlaydi va ekranga uzatadi:
[code=html]
<?php
/*bu yerda belgilar 12 ta, sanab koring, Hello=5, probel=1, world!=6*/
echo strlen("Hello world!");
?>
[/code]
Funksiya str_word_count(); bu satrdagi sozlar sonini aniqlaydi:
[code=html]
<?php
// bu yerda koryapsiz, Hello va World yani 2 ta soz bor
echo str_word_count("Hello world!");
?>
[/code]
Funksiya strrev(); bu funksiya tentaklar uchun, yani u sozni teskari qilib beradi:
[code=html]
<?php
// hosil bolgan soz !dlrow olleH
echo strrev("Hello world!");
?>
[/code]
Funksiya strpos(); bu kerakli sozni satrdan topib beradi, world sozini Hello World dan topamiz:
[code=html]
<?php
// 6
echo strpos("Hello world!", "world");
?>
[/code]
Funksiya str_replace() string+replace(almashtirish), yani bu tanlangan sozni avvalgi bilan almashtiradi:
Bu yerda world sozi Dollyga almashdi, natija Hello Dolly boldi:
[code=html]
<?php
// Hello Dolly
echo str_replace("world", "Dolly", "Hello world!");
?>
[/code]
*- hozircha shu.Ertaga yana yozaman :gg:
[color=red]Тупа адихаю :gg:[/color]