SplFileObject::ftruncateSplFileObject::fwrite
(PHP 5 >= 5.1.0)
SplFileObject::fwrite — Write to file
Описание
public int SplFileObject::fwrite
( string $str
[, int $length
] )
Writes the contents of string to the file
Параметри
- str
-
The string to be written to the file.
- length
-
If the length argument is given, writing will stop after length bytes have been written or the end of string is reached, whichever comes first.
Връщани стойности
Returns the number of bytes written, or NULL on error.
Примери
Example #1 SplFileObject::fwrite example
<?php
$file = new SplFileObject("fwrite.txt", "w");
$written = $file->fwrite("12345");
echo "Wrote $written bytes to file";
?>
Примерът по-горе ще изведе нещо подобно на:
Wrote 5 bytes to file
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SplFileObject::fwrite
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