SplTempFileObject::__construct

Construct a new temporary file object

&reftitle.description; public `SplTempFileObject::__construct` `int` `maxMemory` 2 * 1024 * 1024

Construct a new temporary file object.

&reftitle.parameters;

`maxMemory`

- The maximum amount of memory (in bytes, default is 2 MB) for the temporary file to use. If the temporary file exceeds this size, it will be moved to a file in the system's temp directory.

  If `maxMemory` is negative, only memory will be used. If `maxMemory` is zero, no memory will be used.

&reftitle.errors;

Throws a `RuntimeException` if an error occurs.

&reftitle.examples;

### `SplTempFileObject` example

This example writes a temporary file in memory which can be written to and read from.

    <?php
    $temp = new SplTempFileObject();
    $temp->fwrite("This is the first line\n");
    $temp->fwrite("And this is the second.\n");
    echo "Written " . $temp->ftell() . " bytes to temporary file.\n\n";

    // Rewind and read what was written
    $temp->rewind();
    foreach ($temp as $line) {
        echo $line;
    }
    ?>

&example.outputs.similar;

    Written 47 bytes to temporary file.

    This is the first line
    And this is the second.

&reftitle.seealso;

- `SplFileObject`
- PHP input/output streams (for `php://temp` and `php://memory`)