FILE I/O : Time Stamp 2004
Disclaimer:
- I enjoyed this book ( Dec'2004), repeated in 2006, and used this example in intranet and academic purposes only.
- FYI: The code still worked Windows 7 64bit, in Apache/PHP-Modules 2010
- Intranet Uses: Path is changed .
<html>
<head><title>Welcome to Web Text Editor</title></head>
<body text="#FFFF00" bgcolor="#000080">
<form method="POST" action="<?php echo $_SERVER['PHP_SELF']; ?>">
<input type="hidden" name="posted" value="true">
<?php
require("common_php5_02.inc.php");
//specify the default directory
//$dir = "C:\Program Files\Apache Group\Apache2\htdocs\PHP5\Ch7";
//C:\Apache2\htdocs\php5\tutorials_example\file_directories\editor
// C:\Apache2\htdocs\php5\tutorials_example\file_directories\editor
$dir = "C:/Apache2/htdocs/php5/tutorials_example/file_directories/editor";
if (isset($_POST['save_edited_file'])) {
$action_chosen = "save_file";
} elseif (isset($_POST['create_new_file'])) {
$action_chosen = "save_file";
} elseif (isset($_POST['edit_existing_file'])) {
$action_chosen = "edit_existing_file";
}
switch ($action_chosen) {
case "save_file";
if (file_exists("$dir/$_POST[filename]")) {
echo "<script>result = confirm(\"Overwrite '$dir/$_POST[filename]'?\");
if(!result) history.go(-1);</script>";
}
if ($file = fopen("$dir\\$_POST[filename]", "w")) {
fputs($file, $_POST['filebody']);
fclose($file);
} else {
error_message("Can't save file $dir/$_POST[filename].");
}
//display the main buttons
?>
<table border="1" align="center"><tr><td>
<strong>Create (or Overwrite) New File or Edit Existing File</strong>
</td></tr>
<tr><td>
<input type="submit" name="create_new_file" value="Create New File">
<input type="text" name="filename" value="new.txt">
</td></tr>
<tr><td>
<input type="submit" name="edit_existing_file" value="Edit Existing File">
<select name="existing_file">
<?php
if($dp = opendir($dir)) {
while($file = readdir($dp)) {
if($file !== '.' && $file !== '..' &&
is_file($dir."/".$file)) {
?>
<option value="<?php echo $file; ?>">
<?php echo $file; ?></option>
<?php
}
}
} else {
error_msg("Can't open directory $dir.");
}
closedir($dp);
?>
</select>
</td></tr></table>
<?php
break;
case "edit_existing_file";
$filepath = "$dir/$_POST[existing_file]";
$filebody = implode("",file($filepath));
$file_info_array = file_info("$filepath");
if ($file_info_array["filetype"] != "text") {
$filebody = $filepath . " is not a text file. Can't edit.";
$editable = 0;
} else {
$editable = 1;
}
?>
<table border="1" width="70%" align="center">
<tr><th width="100%" colspan="2">
<center><strong>Stats for Existing File named <?php echo "$dir/$_POST[existing_file]"; ?>
</td></tr>
<?php
$file_info_array = file_info("$dir/$_POST[existing_file]");
foreach ($file_info_array as $key=>$val) {
echo "<tr><th width=\"30%\">". ucfirst($key)
. "</td><td width=\"70%\">" . $val
. "</td></tr>\n";
}
?>
</table>
<br>
<table border="1" align="center"><tr><td>
<strong>Editing Existing File named <?php echo $_POST['existing_file']; ?></strong>
</td></tr>
<tr><td>
<?php
if ($editable == 0) {
echo $filebody;
} else {
?>
<input type="hidden" name="filename" value="<?php echo $_POST['existing_file']; ?>">
<textarea rows="4" name="filebody" cols="40" wrap="soft" style="color: #CCFFCC; background-color: #000080">
<?php
echo "$filebody";
?>
</textarea><br>
<input type="submit" name="save_edited_file" value="Save Edited File">
<?php
}
?>
</td></tr></table>
<?php
break;
default;
//display the main buttons
?>
<table border="1" align="center"><tr><td>
<strong>Create (or Overwrite) New File or Edit Existing File</strong>
</td></tr>
<tr><td>
<input type="submit" name="create_new_file" value="Create New File">
<input type="text" name="filename" value="new.txt">
</td></tr>
<tr><td>
<input type="submit" name="edit_existing_file" value="Edit Existing File">
<select name="existing_file">
<?php
if($dp = opendir($dir)) {
while($file = readdir($dp)) {
if($file !== '.' && $file !== '..' && is_file($dir."/".$file)) {
?>
<option value="<?php echo $file; ?>"><?php echo $file; ?></option>
<?php
}
}
} else {
error_msg("Can't open directory $dir.");
}
closedir($dp);
?>
</select>
</td></tr></table>
<?php
break;
}
?>
</form>
</body>
</html>
Code common_php5.inc<?php
function error_message($msg) {
echo "<script>alert(\"$msg\"); history.go(-1)</script>";
exit;
}
function date_str($timestamp) {
$date_str = getdate($timestamp);
$year = $date_str["year"];
$mon = $date_str["mon"];
$mday = $date_str["mday"];
$hours = $date_str["hours"];
$minutes = $date_str["minutes"];
$seconds = $date_str["seconds"];
return "$hours:$minutes:$seconds $mday/$mon/$year";
}
function file_info($file) {
global $text_file_array;
$file_info_array["filesize"] = number_format(filesize($file)) . " bytes.";
$file_info_array["filectime"] = date_str(filectime($file));
$file_info_array["filemtime"] = date_str(filemtime($file));
if(!isset($_ENV['WINDIR'])) {
$file_info_array["fileatime"] = date_str(fileatime($file));
$file_info_array["filegroup"] = filegroup($file);
$file_info_array["fileowner"] = fileowner($file);
} else {
$file_info_array["fileatime"] = "not available";
$file_info_array["filegroup"] = "not available";
$file_info_array["fileowner"] = "not available";
}
$extension = array_pop(explode(".", $file));
if (in_array($extension, $text_file_array)) {
$file_info_array["filetype"] = "text";
} else {
$file_info_array["filetype"] = "binary";
}
return $file_info_array;
}
//specify the file extensions to handle
$text_file_array = array( "txt", "htm", "html", "php", "inc", "dat" );
?>
When you run, enter the file name with extension.
