(PHP >= 5.3) If filename is a directory, a LogicException will be thrown: "Cannot use SplFileObject with directories"
(PHP 5 >= 5.1.0, PHP 7, PHP 8)
SplFileObject::__construct — Construct a new file object
$filename
,$mode
= "r",$useIncludePath
= false
,$context
= null
Construct a new file object.
filename
The file to read.
Uma URL pode ser utilizada como um nome de arquivo se fopen wrappers estiver ativo. Veja fopen() para mais detalhes em como especificar o filename. Veja também the Protocolos e Wrappers suportados para informações sobre que capacidades cada wrapper tem, notas de uso e informações sobre variáveis predefinidas fornecidas.
mode
The mode in which to open the file. See fopen() for a list of allowed modes.
useIncludePath
Whether to search in the include_path for filename
.
context
A valid context resource created with stream_context_create().
Throws a RuntimeException if the filename
cannot be opened.
Throws a LogicException if the filename
is a directory.
Exemplo #1 SplFileObject::__construct() example
This example opens the current file and iterates over its contents line by line.
<?php
$file = new SplFileObject(__FILE__);
foreach ($file as $line_num => $line) {
echo "Line $line_num is $line";
}
?>
O exemplo acima irá imprimir algo similar à:
Line 0 is <?php Line 1 is $file = new SplFileObject(__FILE__); Line 2 is foreach ($file as $line_num => $line) { Line 3 is echo "Line $line_num is $line"; Line 4 is } Line 5 is ?>
(PHP >= 5.3) If filename is a directory, a LogicException will be thrown: "Cannot use SplFileObject with directories"
When using URL as a filename, such as "http://..." or "php://stdin", and also have the fopen wappers on, and you get a 'RuntimeException' error, try using "NoRewindIterator" class to a SplFileObject instance.
<?php
$url = 'http://sample.com/data.csv';
$file = new NoRewindIterator( new SplFileObject( $url ) );
foreach ($file as $line_num => $line) {
echo "Line $line_num is $line";
}
?>
While opening a file, a rewind method will be called, but these URL iterators cannot be rewind, so you'll get a "Fatal error: Uncaught exception 'RuntimeException' with message 'Cannot rewind file ...'" error.