SplFileInfo::openFile

(PHP 5 >= 5.1.2, PHP 7)

SplFileInfo::openFileGets an SplFileObject object for the file

说锟斤拷

public SplFileInfo::openFile ([ string $open_mode = "r" [, bool $use_include_path = FALSE [, resource $context = NULL ]]] ) : SplFileObject

Creates an SplFileObject object of the file. This is useful because SplFileObject contains additional methods for manipulating the file whereas SplFileInfo is only useful for gaining information, like whether the file is writable.

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open_mode

The mode for opening the file. See the fopen() documentation for descriptions of possible modes. The default is read only.

use_include_path

值 锟斤拷为 TRUE 时, 也锟斤拷锟斤拷 include_path锟斤拷锟斤拷锟侥硷拷锟斤拷锟斤拷

context

锟斤拷锟斤拷锟侥o拷context锟斤拷锟斤拷说锟斤拷锟斤拷慰锟斤拷植锟斤拷械锟� 锟斤拷锟斤拷锟侥o拷context锟斤拷锟铰斤拷.

锟斤拷锟斤拷值

The opened file as an SplFileObject object.

锟斤拷锟斤拷锟届常

A RuntimeException if the file cannot be opened (e.g. insufficient access rights).

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Example #1 SplFileInfo::openFile() example

<?php
$fileinfo 
= new SplFileInfo('/tmp/foo.txt');

if (
$fileinfo->isWritable()) {

    
$fileobj $fileinfo->openFile('a');

    
$fileobj->fwrite("appended this sample text");
}
?>

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