file_put_contents with multiple flags

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Hello,

is it possible to use file_put_contents with multiple flags? The PHP documentation says:

... flags can take FILE_USE_INCLUDE_PATH, FILE_APPEND and/or LOCK_EX ...

I need the flags FILE_APPEND and LOCK_EX. It's possible to do the same with fopen(), fwrite() and fclose() but I'm looking for a simple and fast solution.

Thank you in advance for your answers.

Best regards,
Tim

which php5 version do you have?

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Are you looking for something like this?

Code:

<?php
$fp = fopen("file.txt", "a+");

if (flock($fp, LOCK_EX)) { 
    fwrite($fp, "Write something here\n");
    flock($fp, LOCK_UN); 
} else
    echo "Couldn't lock the file !";
fclose($fp);
?>

which php5 version do you have?

I use PHP v5.2.1 The LOCK_EX constant has been introduced in PHP v5.1.0. So there shouldn't be any problems regarding the currently installed version.

Are you looking for something like this?

Code:

<?php
$fp = fopen("file.txt", "a+");

if (flock($fp, LOCK_EX)) { 
    fwrite($fp, "Write something here\n");
    flock($fp, LOCK_UN); 
} else
    echo "Couldn't lock the file !";
fclose($fp);
?>

No, I want to use file_put_contents because of its performance and simpleness. To specify my problem: The documentation of PHP says that it's possible to have more than one flag in the third parameter but I don't know exactly how it works. Maybe I need to do that with binary operators?

file_put_contents($filename, $contents, FILE_APPEND & LOCK_EX);

...or do I need to put the flags into an array?

file_put_contents($filename, $contents, array (FILE_APPEND, LOCK_EX));

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I am not sure if this will work, but you can try the array thing.

The other one (with the &) it wont work for sure as this is a logical + and it will produce a TRUE value.

strange in the manual they say the flag is an interger data type

my offline manual give this example with the OR method:

file_put_contents ('sample.txt', 'some data', FILE_APPEND | LOCK_EX);

so it might be:
file_put_contents ('sample.txt', 'some data', FILE_APPEND & LOCK_EX);

?

Tim just try it

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