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@dz0
Last active August 30, 2016 17:52
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PHP intro
<a href="http://kaunascoding.lt">kur mes?</a><br>
<?php
echo "Hello, World";
// išsaugokite C:\xampp\htdocs\hello.php
// ir atsidaryt naršyklę: localhost/hello.php
// kintamieji
$kiek = 10;
$kiek++;
echo "<br>I have $kiek money..";
// sąlygos
if($kiek > 5){
echo "<br>$kiek is more than 5";
}
else echo "<br>poor guy..";
// masyvai
$cars = array("Volvo", "BMW", "Toyota");
// var_dump( $cars );
// ciklai
foreach($cars as $car){
// echo "<br>I want $car";
}
for($i=0; $i<3; $i++){
$car = $cars[ $i ];
echo "<br>I want $i $car (<a href='?choice=$i'>imu</a>)";
;
}
$nr = rand(0, 2); // parenkam atsitiktinį el. iš sąrašo
if( array_key_exists("choice",$_REQUEST)){
$nr = $_REQUEST["choice"]; // parenkam nurodytą
}
echo "<br>I have ${cars[$nr]}";
// nuorodoje galima užkoduoti duomenis
// pvz., http://localhost/hello.php?kas=jurgis
// ?kas=jurgis&choice=1 -- vadinama "query string"
if( array_key_exists("kas",$_REQUEST)){
$kas = strtoupper($_REQUEST["kas"]);
echo "<br>Labas, $kas";
}
// funkcijos
?>
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