SplTempFileObject::__construct
(PHP 5 >= 5.1.2, PHP 7, PHP 8)
SplTempFileObject::__construct — Construct a new temporary file object
Description
public SplTempFileObject::__construct(int
$maxMemory = 2 * 1024 * 1024)Construct a new temporary file object.
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
maxMemoryis negative, only memory will be used. IfmaxMemoryis zero, no memory will be used.
Errors/Exceptions
Throws a RuntimeException if an error occurs.
Examples
Example #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;
}
?>
The above example will output something similar to:
Written 47 bytes to temporary file. This is the first line And this is the second.
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