Editing PHP If-Abfragen, Schleifen, Funktionen
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Latest revision | Your text | ||
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<pre> | <pre> | ||
<?php | <?php | ||
if($ | if($geschlecht == "m") { | ||
print "<h1>Hallo Herr ".$ | print "<h1>Hallo Herr ".$nachname."!</h1>\n"; | ||
} elseif ($ | } elseif ($geschlecht == "w") { | ||
print "<h1>Hallo Frau ".$ | print "<h1>Hallo Frau ".$nachname."!</h1>\n"; | ||
} else { | } else { | ||
print "Hi du"; | print "Hi du"; | ||
Line 40: | Line 40: | ||
<pre> | <pre> | ||
<?php | <?php | ||
if($ | if($geschlecht == "m") { | ||
print "<h1>Hallo Herr ".$ | print "<h1>Hallo Herr ".$nachname."!</h1>\n"; | ||
} else { | } else { | ||
print "<h1>Hallo Frau ".$ | print "<h1>Hallo Frau ".$nachname."!</h1>\n"; | ||
} | } | ||
?> | ?> | ||
Line 53: | Line 53: | ||
<pre> | <pre> | ||
<?php | <?php | ||
for ($i= 0; | for ($i= 0; i < 10; i++) { | ||
print "<p>Zehnmal Hallo</p>\n"; | print "<p>Zehnmal Hallo</p>\n"; | ||
} | } | ||
Line 73: | Line 73: | ||
<pre> | <pre> | ||
<?php | <?php | ||
$ | $produkt[0]['Produktname'] = "Semmel"; | ||
$ | $produkt[0]['Preis'] = 1.99; | ||
$ | $produkt[0]['Anzahl'] = 6; | ||
$ | $produkt[1]['Produktname'] = "Kornspitz"; | ||
$ | $produkt[1]['Preis'] = 1.49; | ||
$ | $produkt[1]['Anzahl'] = 0; | ||
$ | $produkt[2]['Produktname'] = "Laugenbrezl"; | ||
$ | $produkt[2]['Preis'] = 2.99; | ||
$ | $produkt[2]['Anzahl'] = 8; | ||
$i = 0; | $i = 0; | ||
/*count returned die Länge des Arrays (ähnlich wie .length)*/ | /*count returned die Länge des Arrays (ähnlich wie .length)*/ | ||
while ($i < count($ | while ($i < count($produkt)) { | ||
if($ | if($produkt[$i]['Anzahl'] > 0) { | ||
print "<p> | print "<p>Produkt: " .$produkt[$i]['Produktname']. " Preis: " | ||
.$ | .$produkt[$i]['Preis']. " Euro</p>\n"; | ||
} | } | ||
$i++; | $i++; | ||
Line 95: | Line 95: | ||
?> | ?> | ||
</pre> | </pre> | ||
====Foreach Schleifen==== | ====Foreach Schleifen==== | ||
Line 100: | Line 101: | ||
<pre> | <pre> | ||
<?php | <?php | ||
$ | $produkt = array( | ||
1, "Bohrmaschine", 45, "Kraftvolle Bohrmaschine für Handwerker", 23 | 1, "Bohrmaschine", 45, "Kraftvolle Bohrmaschine für Handwerker", 23 | ||
); | ); | ||
foreach ($ | foreach ($produkt as $item) { | ||
print $item . "<br>\n"; | print $item . "<br>\n"; | ||
} | } | ||
Line 112: | Line 113: | ||
<pre> | <pre> | ||
<?php | <?php | ||
$ | $produkt[0]['Produktname'] = "Bohrmaschine"; | ||
$ | $produkt[0]['Preis'] = 45.99; | ||
$ | $produkt[0]['Anzahl'] = 6; | ||
$ | $produkt[1]['Produktname'] = "Kreissäge"; | ||
$ | $produkt[1]['Preis'] = 79.99; | ||
$ | $produkt[1]['Anzahl'] = 0; | ||
$ | $produkt[2]['Produktname'] = "Bandschleifer"; | ||
$ | $produkt[2]['Preis'] = 85.99; | ||
$ | $produkt[2]['Anzahl'] = 11; | ||
foreach($ | foreach($produkt as $inhalt) { | ||
if($ | if($inhalt['Anzahl'] > 0) { | ||
print "<p>Produkt: " .$ | print "<p>Produkt: " .$inhalt['Produktname']. | ||
" Preis: " .$ | " Preis: " .$inhalt['Preis']. " Euro.</p>\n"; | ||
} | } | ||
} | } | ||
Line 134: | Line 135: | ||
<pre> | <pre> | ||
<?php | <?php | ||
$ | $produkt[0]['Produktname'] = "Bohrmaschine"; | ||
$ | $produkt[0]['Preis'] = 45.99; | ||
$ | $produkt[0]['Anzahl'] = 6; | ||
$ | $produkt[1]['Produktname'] = "Kreissäge"; | ||
$ | $produkt[1]['Preis'] = 79.99; | ||
$ | $produkt[1]['Anzahl'] = 0; | ||
$ | $produkt[2]['Produktname'] = "Bandschleifer"; | ||
$ | $produkt[2]['Preis'] = 85.99; | ||
$ | $produkt[2]['Anzahl'] = 11; | ||
foreach($ | foreach($produkt as $ebene1) { | ||
foreach($ | foreach($ebene1 as $ebene2) { | ||
print $ | print $ebene2. "<br>\n"; | ||
} | } | ||
print "<br>"; | print "<br>"; | ||
Line 155: | Line 156: | ||
<pre> | <pre> | ||
<?php | <?php | ||
$ | $produkt[0]['Produktname'] = "Bohrmaschine"; | ||
$ | $produkt[0]['Preis'] = 45.99; | ||
$ | $produkt[0]['Anzahl'] = 6; | ||
$ | $produkt[1]['Produktname'] = "Kreissäge"; | ||
$ | $produkt[1]['Preis'] = 79.99; | ||
$ | $produkt[1]['Anzahl'] = 0; | ||
$ | $produkt[2]['Produktname'] = "Bandschleifer"; | ||
$ | $produkt[2]['Preis'] = 85.99; | ||
$ | $produkt[2]['Anzahl'] = 11; | ||
foreach($ | foreach($produkt as $ebene1) { | ||
foreach($ | foreach($ebene1 as $name => $ebene2) { | ||
print $name . ": " .$ | print $name . ": " .$ebene2. "<br>\n"; | ||
} | } | ||
print "<br>"; | print "<br>"; | ||
Line 176: | Line 177: | ||
<pre> | <pre> | ||
// BPS 1 | // BPS 1 | ||
function | function begruessung() { | ||
print "Guten Morgen"; | print "Guten Morgen"; | ||
} | } | ||
begruessung(); | |||
// BPS 2 | // BPS 2 | ||
function | function begruessung($text) { | ||
print $text; | print $text; | ||
} | } | ||
begruessung("Guten Morgen"); | |||
// BSP 3 | // BSP 3 | ||
function | function begruessung($text, $ansprache) { | ||
print $text . " " . $ | print $text . " " . $ansprache; | ||
} | } | ||
$ | $gruss = "Guten Morgen"; | ||
$ | $leser = "Herr Müller"; | ||
begruessung($gruss, $leser); | |||
</pre> | </pre> | ||
Line 201: | Line 202: | ||
<pre> | <pre> | ||
<?php | <?php | ||
function | function verdoppelung($wert) { | ||
$ | $wert = $wert*2; | ||
return $ | return $wert; | ||
} | } | ||
print | print verdoppelung(5); | ||
/* oder */ | /* oder */ | ||
function | function verdoppelungAlternative($wert) { | ||
return ($ | return ($wert*2); | ||
} | } | ||
print | print verdoppelungAlternative(5); | ||
?> | ?> | ||
</pre> | </pre> | ||
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<pre> | <pre> | ||
<?php | <?php | ||
function | function verdoppelung_quadrat($wert) { | ||
$ | $doppelt = $wert*2; | ||
$ | $quadrat = $wert*$wert; | ||
$ | $ergebnis = array( | ||
'Verdopplung' => $ | 'Verdopplung' => $doppelt, | ||
'Quadrat' => $ | 'Quadrat' => $quadrat | ||
); | ); | ||
return $ | return $ergebnis; | ||
} | } | ||
$ | $rueckgabeWert = verdoppelung_quadrat(3); | ||
$ | $verdoppelterWert = $rueckgabeWert['Verdopplung']; | ||
$ | $wertZumQuadrat = $rueckgabeWert['Quadrat']; | ||
print "Der doppelte Wert dieser Zahl beträgt " . $ | print "Der doppelte Wert dieser Zahl beträgt " . $verdoppelterWert .".<br>\n"; | ||
print "Das Quadrat dieser Zahl beträgt " . $ | print "Das Quadrat dieser Zahl beträgt " . $wertZumQuadrat .".<br>\n"; | ||
?> | ?> | ||
</pre> | </pre> | ||
Line 236: | Line 237: | ||
====Eine Funktion in das PHP-Programm einbinden==== | ====Eine Funktion in das PHP-Programm einbinden==== | ||
<pre> | <pre> | ||
File: | File: verdoppelung.php | ||
<?php | <?php | ||
function | function verdoppelung($wert){ | ||
return ($ | return ($wert * 2); | ||
} | } | ||
?> | ?> | ||
Line 246: | Line 247: | ||
<pre> | <pre> | ||
File: | File: Hauptfile | ||
<?php | <?php | ||
include(" | include("verdoppelung.php"); | ||
print | print verdoppelung(4); | ||
?> | ?> | ||
</pre> | </pre> |