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SplTempFileObject::__construct

(PHP 5 >= 5.1.2, PHP 7)

SplTempFileObject::__constructConstruct a new temporary file object

Açıklama

public SplTempFileObject::__construct ([ int $max_memory ] )

Construct a new temporary file object.

Değiştirgeler

max_memory

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

Dönen Değerler

Hiçbir değer dönmez.

Hatalar/İstisnalar

Throws a RuntimeException if an error occurs.

Örnekler

Örnek 1 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;
}
?>

Yukarıdaki örnek şuna benzer bir çıktı üretir:

Written 47 bytes to temporary file.

This is the first line
And this is the second.

Ayrıca Bakınız

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User Contributed Notes 1 note

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11
larry dot laski at gmail dot com
4 years ago
Noting that when the tmp file exceeds memory limitations and is written to the system temp directory, it is deleted upon completion of the script it was initially created in. At least that is what I have seen and wanted to document for others since it wasn't clear.
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