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fopen() will block if the file to be opened is a fifo. This is true whether it's opened in "r" or "w" mode. (See man 7 fifo: this is the correct, default behaviour; although Linux supports non-blocking fopen() of a fifo, PHP doesn't).
- Readfile
Tip. A URL can be used as a filename with this function if...
- SplFileObject
Note that this class has a private (and thus, not...
- File get contents
This function is similar to file(), except that...
- Glob
PHP is a popular general-purpose scripting language that...
- File Exists
Return Values. Returns true if the file or directory...
- File put contents
Parameters. filename. Path to the file where to write the...
- Context Stream
Stream Contexts. A context is a set of parameters and...
- Fwrite
Note: . On systems which differentiate between binary and...
- Readfile
16 lut 2009 · It is possible to read the stdin by creating a file handle to php://stdin and then read from it with fgets() for a line for example (or, as you already stated, fgetc() for a single character): <?php $f = fopen( 'php://stdin', 'r' ); while( $line = fgets( $f ) ) { echo $line; } fclose( $f ); ?>
The fopen () function opens a file or URL. Note: When writing to a text file, be sure to use the correct line-ending character! Unix systems use \n, Windows systems use \r\n, and Macintosh systems use \r as the line ending character.
$stderr = fopen ('php://stderr', 'w'); Given the above, you don't need to open e.g. a stream for stderr yourself but simply use the constant instead of the stream resource: php -r 'fwrite(STDERR, "stderr\n");'
fopen. (PHP 4, PHP 5, PHP 7, PHP 8) fopen — Opens file or URL. Description. fopen ( string $filename, string $mode, bool $use_include_path = false, ? resource $context = null): resource | false. fopen () binds a named resource, specified by filename, to a stream. Parameters. filename.
Code Examples. fopen ( string $filename, string $mode, [bool $use_include_path = false], [resource|null $context = null] ): resource|false. fopen binds a named resource, specified by filename, to a stream. Parameters. filename.
Description. fgets (resource $stream, ? int $length = null): string | false. Gets a line from file pointer. Parameters. stream. The file pointer must be valid, and must point to a file successfully opened by fopen () or fsockopen () (and not yet closed by fclose ()). length.
