Viewing file:  example_modes.php (1.53 KB) -rw-r--r--
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<?PHP
require_once 'Stream/Var.php';
stream_wrapper_register( "var", "Stream_Var" );
$varname = 'var://_GET/foo';
echo "_GET variables:<pre>";
print_r( $_GET );
echo "</pre>";
echo "<strong>open '$varname' with mode 'r':</strong><br>";
echo "This should fail, as the variable does not exist.<br>";
$fp = fopen($varname, "r");
fclose($fp);
echo "<br>_GET variables:<pre>";
print_r( $_GET );
echo "</pre>";
echo "<br><strong>open '$varname' with mode 'w':</strong><br>";
echo "This should work, as the 'w' creates the variable.<br>";
$fp = fopen($varname, "w");
echo "writing data to the variable.<br>";
fwrite($fp, "This is a");
fclose($fp);
echo "<br>_GET variables:<pre>";
print_r( $_GET );
echo "</pre>";
echo "<br><strong>open '$varname' with mode 'a+':</strong><br>";
echo "This will append data to a variable or create.<br>";
$fp = fopen($varname, "a+");
echo "writing data to the variable.<br>";
fwrite($fp, " Test");
fseek($fp, 0, SEEK_SET);
$data = fgets($fp,200);
echo "read data: ".$data."<br>";
fclose($fp);
echo "<br>_GET variables:<pre>";
print_r( $_GET );
echo "</pre>";
echo "<br><strong>open '$varname' with mode 'x':</strong><br>";
echo "This should fail, as the variable does exist and 'x' wants to create a new file.<br>";
$fp = fopen($varname, "x");
fclose($fp);
echo "<br>_GET variables:<pre>";
print_r( $_GET );
echo "</pre>";
?>
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