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Folders renumbered

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Folders renumbered
This commit is contained in:
RobinNixon
2020-12-10 13:35:00 +00:00
parent d0519f0697
commit e311e3750d
153 changed files with 2 additions and 0 deletions
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07/01.php
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<?php
echo "<pre>"; // Enables viewing of the spaces
// Pad to 15 spaces
printf("The result is $%15f\n", 123.42 / 12);
// Pad to 15 spaces, fill with zeros
printf("The result is $%015f\n", 123.42 / 12);
// Pad to 15 spaces, 2 decimal places precision
printf("The result is $%15.2f\n", 123.42 / 12);
// Pad to 15 spaces, 2 decimal places precision, fill with zeros
printf("The result is $%015.2f\n", 123.42 / 12);
// Pad to 15 spaces, 2 decimal places precision, fill with # symbol
printf("The result is $%'#15.2f\n", 123.42 / 12);
?>
07/02.php
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<?php
echo "<pre>"; // Enables viewing of the spaces
$h = 'Rasmus';
printf("[%s]\n", $h); // Standard string output
printf("[%12s]\n", $h); // Right justify with spaces
printf("[%-12s]\n", $h); // Left justify with spaces
printf("[%012s]\n", $h); // Zero padding
printf("[%'#12s]\n\n", $h); // Use the custom padding character '#'
$d = 'Rasmus Lerdorf';
printf("[%12.8s]\n", $d); // Right justify, cutoff of 8 characters
printf("[%-12.12s]\n", $d); // Left justify, cutoff of 12 characters
printf("[%-'@12.10s]\n", $d); // Left justify, pad '@', cutoff 10 chars
?>
07/03.php
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<?php
$month = 9; // September (only has 30 days)
$day = 31; // 31st
$year = 2018; // 2018
if (checkdate($month, $day, $year)) echo "Date is valid";
else echo "Date is invalid";
?>
07/04.php
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<?php // testfile.php
$fh = fopen("testfile.txt", 'w') or die("Failed to create file");
$text = <<<_END
Line 1
Line 2
Line 3
_END;
fwrite($fh, $text) or die("Could not write to file");
fclose($fh);
echo "File 'testfile.txt' written successfully";
?>
07/05.php
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<?php
$fh = fopen("testfile.txt", 'r') or
die("File does not exist or you lack permission to open it");
$line = fgets($fh);
fclose($fh);
echo $line;
?>
07/06.php
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<?php
$fh = fopen("testfile.txt", 'r') or
die("File does not exist or you lack permission to open it");
$text = fread($fh, 3);
fclose($fh);
echo $text;
?>
07/07.php
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<?php // copyfile.php
copy('testfile.txt', 'testfile2.txt') or die("Could not copy file");
echo "File successfully copied to 'testfile2.txt'";
?>
07/08.php
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<?php // copyfile2.php
if (!copy('testfile.txt', 'testfile2.txt'))
echo "Could not copy file";
else echo "File successfully copied to 'testfile2.txt'";
?>
07/09.php
+5
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<?php // movefile.php
if (!rename('testfile2.txt', 'testfile2.new'))
echo "Could not rename file";
else echo "File successfully renamed to 'testfile2.new'";
?>
07/10.php
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<?php // deletefile.php
if (!unlink('testfile2.new')) echo "Could not delete file";
else echo "File 'testfile2.new' successfully deleted";
?>
07/11.php
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<?php // update.php
$fh = fopen("testfile.txt", 'r+') or die("Failed to open file");
$text = fgets($fh);
fseek($fh, 0, SEEK_END);
fwrite($fh, "$text") or die("Could not write to file");
fclose($fh);
echo "File 'testfile.txt' successfully updated";
?>
07/12.php
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<?php
$fh = fopen("testfile.txt", 'r+') or die("Failed to open file");
$text = fgets($fh);
if (flock($fh, LOCK_EX))
{
fseek($fh, 0, SEEK_END);
fwrite($fh, "$text") or die("Could not write to file");
flock($fh, LOCK_UN);
}
fclose($fh);
echo "File 'testfile.txt' successfully updated";
?>
07/13.php
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<?php
echo "<pre>"; // Enables display of line feeds
echo file_get_contents("testfile.txt");
echo "</pre>"; // Terminates pre tag
?>
07/14.php
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<?php
echo file_get_contents("http://oreilly.com");
?>
07/15.php
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<?php // upload.php
echo <<<_END
<html><head><title>PHP Form Upload</title></head><body>
<form method='post' action='upload.php' enctype='multipart/form-data'>
Select File: <input type='file' name='filename' size='10'>
<input type='submit' value='Upload'>
</form>
_END;
if ($_FILES)
{
$name = $_FILES['filename']['name'];
move_uploaded_file($_FILES['filename']['tmp_name'], $name);
echo "Uploaded image '$name'<br><img src='$name'>";
}
echo "</body></html>";
?>
07/16.php
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<?php //upload2.php
echo <<<_END
<html><head><title>PHP Form Upload</title></head><body>
<form method='post' action='upload2.php' enctype='multipart/form-data'>
Select a JPG, GIF, PNG or TIF File:
<input type='file' name='filename' size='10'>
<input type='submit' value='Upload'></form>
_END;
if ($_FILES)
{
$name = $_FILES['filename']['name'];
switch($_FILES['filename']['type'])
{
case 'image/jpeg': $ext = 'jpg'; break;
case 'image/gif': $ext = 'gif'; break;
case 'image/png': $ext = 'png'; break;
case 'image/tiff': $ext = 'tif'; break;
default: $ext = ''; break;
}
if ($ext)
{
$n = "image.$ext";
move_uploaded_file($_FILES['filename']['tmp_name'], $n);
echo "Uploaded image '$name' as '$n':<br>";
echo "<img src='$n'>";
}
else echo "'$name' is not an accepted image file";
}
else echo "No image has been uploaded";
echo "</body></html>";
?>
07/17.php
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<?php // exec.php
$cmd = "dir"; // Windows
// $cmd = "ls"; // Linux, Unix & Mac
exec(escapeshellcmd($cmd), $output, $status);
if ($status) echo "Exec command failed";
else
{
echo "<pre>";
foreach($output as $line) echo htmlspecialchars("$line\n");
echo "</pre>";
}
?>