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functions.php
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<?php
function hlavicka()
{
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"; "http://www.w3.org/TR/html4/loose.dtd">
<html><head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-2">
<title>Moje první stránka</title>
</head>
<?php
}
function printText($text, $cnt) {
for ($i = 1; $i <= $cnt; $i++)
echo $text . "<BR>\n";
}
// použití
hlavicka();
echo "<BODY>";
printText("Tělo stránky", 1);
printText("Hello page", 5);
printText(dvaplusdva(), 3);
echo "</BODY></HTML>";
?>
<?php
function dvaplusdva()
{
echo "Printing" . "<BR>";
return 2+2;
echo "No printing";
}
?>
<?php
function JeNedele($den)
{
return (date("w", strtotime($den))==0);
}
$day = "2016-12-10";
echo $day . (JeNedele($day) ? " je neděle" : " není neděle");
echo "<BR>";
?>
<?php
function Hlaska (&$hlaska, &$names)
{
global $VracetUpovidaneHlasky; // otherwise function doesn't know about the variable
static $nochange = "Jedna"; // remember value when function exits
echo $nochange, "<BR>";
if ($VracetUpovidaneHlasky)
echo "Já jsem velmi upovídaná hláška.";
else
echo "Hláška";
echo "<BR>";
$hlaska = "Nekoukej";
$nochange = "Dva";
array_push($names, "Franta");
}
$hl = "Jo";
$VracetUpovidaneHlasky = TRUE;
$names = ["Mira", "Alfons"];
Hlaska($hl, $names);
Hlaska($hl, $names);
echo $hl, "<BR>";
print_r($names);
?>