97 lines
3.1 KiB
PHP
97 lines
3.1 KiB
PHP
<!-- Sie sehen unten 6 verschiedene Variablen. Diese sollen sie in eine Tabelle übertragen, die folgende Spaltennamen besitzt: Variablenname, Variablenwert, Gesetzt, Null, Leer, Typ, Zahl, String, Boolen. Füllen Sie dann die Zellen der Tabelle mit Hilfe der jeweiligen Funktionen mit Werten. -->
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<?php
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$var1 = "Hello";
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$var2 = 856;
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$var3 = false;
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$var4 = null;
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$var5;
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$var6 = "";
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?>
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<table>
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<tr>
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<th>Variablenname</th>
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<th>Variablenwert</th>
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<th>Gesetzt</th>
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<th>Null</th>
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<th>Leer</th>
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<th>Typ</th>
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<th>Zahl</th>
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<th>String</th>
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<th>Boolen</th>
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</tr>
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<tr>
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<td>var1</td>
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<td><?php echo $var1; ?></td>
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<td><?php echo isset($var1); ?></td>
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<td><?php echo is_null($var1); ?></td>
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<td><?php echo empty($var1); ?></td>
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<td><?php echo gettype($var1); ?></td>
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<td><?php echo is_numeric($var1); ?></td>
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<td><?php echo is_string($var1); ?></td>
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<td><?php echo is_bool($var1); ?></td>
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</tr>
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<tr>
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<td>var2</td>
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<td><?php echo $var2; ?></td>
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<td><?php echo isset($var2); ?></td>
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<td><?php echo is_null($var2); ?></td>
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<td><?php echo empty($var2); ?></td>
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<td><?php echo gettype($var2); ?></td>
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<td><?php echo is_numeric($var2); ?></td>
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<td><?php echo is_string($var2); ?></td>
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<td><?php echo is_bool($var2); ?></td>
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</tr>
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<tr>
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<td>var3</td>
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<td><?php echo $var3; ?></td>
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<td><?php echo isset($var3); ?></td>
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<td><?php echo is_null($var3); ?></td>
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<td><?php echo empty($var3); ?></td>
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<td><?php echo gettype($var3); ?></td>
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<td><?php echo is_numeric($var3); ?></td>
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<td><?php echo is_string($var3); ?></td>
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<td><?php echo is_bool($var3); ?></td>
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</tr>
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<tr>
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<td>var4</td>
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<td><?php echo $var4; ?></td>
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<td><?php echo isset($var4); ?></td>
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<td><?php echo is_null($var4); ?></td>
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<td><?php echo empty($var4); ?></td>
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<td><?php echo gettype($var4); ?></td>
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<td><?php echo is_numeric($var4); ?></td>
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<td><?php echo is_string($var4); ?></td>
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<td><?php echo is_bool($var4); ?></td>
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</tr>
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<tr>
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<td>var5</td>
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<td><?php echo $var5; ?></td>
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<td><?php echo isset($var5); ?></td>
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<td><?php echo is_null($var5); ?></td>
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<td><?php echo empty($var5); ?></td>
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<td><?php echo gettype($var5); ?></td>
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<td><?php echo is_numeric($var5); ?></td>
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<td><?php echo is_string($var5); ?></td>
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<td><?php echo is_bool($var5); ?></td>
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</tr>
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<tr>
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<td>var6</td>
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<td><?php echo $var6; ?></td>
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<td><?php echo isset($var6); ?></td>
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<td><?php echo is_null($var6); ?></td>
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<td><?php echo empty($var6); ?></td>
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<td><?php echo gettype($var6); ?></td>
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<td><?php echo is_numeric($var6); ?></td>
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<td><?php echo is_string($var6); ?></td>
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<td><?php echo is_bool($var6); ?></td>
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</tr>
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</table>
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