SplTempFileObject::__construct
(PHP 5 >= 5.1.2, PHP 7)
SplTempFileObject::__construct — Construct a new temporary file object
Description
public SplTempFileObject::__construct ([ int $max_memory ] )Construct a new temporary file object.
Parameters
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.
Return Values
No value is returned.
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.See Also
- SplFileObject
- PHP input/output streams (for php://temp and php://memory)
← SplTempFileObject
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
本文档系腾讯云开发者社区成员共同维护，如有问题请联系 cloudcommunity@tencent.com
