Basic <?php ?>
<?php echo 'He he he'; ?>
<?php echo '<div><h1>He he he</h1></div>'; ?>
Variable
<?php $variable = 'He he he'; echo $variable; ?>
<?php $variable = 'He he he'; $variable2 = ' Ho ho ho'; echo $variable.$variable2; ?>
<?php $variable = 'He he he'; $variable2 = 'Ho ho ho'; echo $variable.' '.$variable2; ?>
<?php $top = '<html><head></head><body>'; $bund = '</body></html>'; echo $top.'<div><h1>He he he</h1></div>'.$bund; ?>
If, else og elseif
<?php $midt = '<div><h1>He he he</h1></div>';
$top = '<html><head></head><body>'; $bund = '</body></html>';
if ($midt) { echo $top.$midt.$bund; } ?>
<?php $midt = '';
$top = '<html><head></head><body>'; $bund = '</body></html>';
if ($midt) { echo $top.$midt.$bund; } ?>
<?php $midt = '';
$top = '<html><head></head><body>'; $bund = '</body></html>';
if ($midt) { echo $top.$midt.$bund; } else { echo $top.'<div><h1>Ho ho ho</h1></div>'.$bund; } ?>
<?php $midt = ''; $midt2 = '<div><h1>Der mangles noget mere for at det bliver smart.</h1></div>';
$top = '<html><head></head><body>'; $bund = '</body></html>';
if ($midt) { echo $top.$midt.$bund; } elseif (midt2) { echo $top.$midt2.$bund; else { echo $top.'<div><h1>Ho ho ho</h1></div>'.$bund; } ?>
Post form
<?php if ($_POST['submit']) { $midt = '<div><h1>'.$_POST['test'].'</h1></div>'; }
$top = '<html><head></head><body>'; $form = '<form method="post"><input type="text" name="text" /> <input type="submit" name="submit" value="Knap" /></form>'; $bund = '</body></html>';
echo $top.$midt.$form.$bund; ?>
Post form forsat
<?php $title = 'Test';
if ($_POST['submit']) { $title .= " - ".$_POST['test']; $midt = '<div><h1>'.$_POST['test'].'</h1></div>'; }
$top = '<html><head><title>'.$title.'</title></head><body>'; $form = '<form method="post"><input type="text" name="text" /> <input type="submit" name="submit" value="Knap" /></form>'; $bund = '</body></html>';
echo $top.$midt.$form.$bund; ?>
Arrays i vaiabler.
<?php $variable = array('He he he', 'ho ho ho'); echo $variable[0]; echo $variable[1]; ?>
<?php $variable[0] = 'He he he'; $variable[1] = 'ho ho ho'; echo $variable[0]; echo $variable[1]; ?>
<?php $variable = array(0 => 'He he he', 1 => 'ho ho ho'); echo $variable[0]; echo $variable[1]; ?>
<?php $variable['he'] = 'He he he'; $variable['ho'] = 'ho ho ho'; echo $variable['he']; echo $variable['ho']; ?>
<?php $variable = array('he' => 'He he he', 'ho' => 'ho ho ho'); echo $variable['he']; echo $variable['ho']; ?>
<?php $variable['text'][1] = 'He he he'; $variable['text'][2] = 'ho ho ho'; echo $variable['text'][1]; echo $variable['text'][2]; ?>
<?php $variable['text'] = array('He he he', 'ho ho ho'); echo $variable['text'][1]; echo $variable['text'][2]; ?>
<?php $variable = array('text' => array('He he he', 'ho ho ho')); echo $variable['text'][1]; echo $variable['text'][2]; ?>
<?php $array = 'text'; $variable = array($array => array('He he he', 'ho ho ho')); echo $variable[$array][1]; echo $variable[$array][2]; ?>
<?php $title = 'Test';
if ($_POST['submit']) { $title .= " - ".$_POST['text'][1]; $midt = '<div><h1>'.$_POST['text'][1].'</h1></div>'; }
$top = '<html><head><title>'.$title.'</title></head><body>'; $form = '<form method="post"><input type="text" name="text[1]" /> <input type="submit" name="submit" value="Knap" /></form>'; $bund = '</body></html>';
echo $top.$midt.$form.$bund; ?>
While
<?php $title = 'Test'; if ($_POST['submit']) { $title .= " - Submit"; } $top = '<html><head><title>'.$title.'</title></head><body>';
$i = 0; while ($i < 10) { if ($_POST['text'][$i]) { $midt .= '<div><h1>'.$_POST['text'][$i].'</h1></div>'; } $form .= '<form method="post"><input type="text" name="text['.$i.']" /> <input type="submit" name="submit" value="Knap" /></form>'; $i++; }
$bund = '</body></html>';
echo $top.$midt.$form.$bund; ?>
<?php $title = 'Test'; if ($_POST['submit']) { $title .= " - Submit"; } $top = '<html><head><title>'.$title.'</title></head><body>';
$i = 0; while ($i < 10) { if ($_POST['text'][$i]) { $midt .= '<div><h1>'.$_POST['text'][$i].'</h1></div>'; } $form .= '<form method="post"><input type="text" name="text['.$i.']" /> <input type="submit" name="submit" value="Knap" /></form>'; $i++; }
$bund = '</body></html>';
echo $top.$midt.$form.$bund; ?>
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