SplFileObject::fwrite Write to file &reftitle.description; public intfalseSplFileObject::fwrite stringdata intnulllength&null; Writes the contents of data to the file &reftitle.parameters; data The string to be written to the file. length If the length argument is int, writing will stop after length bytes have been written or the end of data is reached, whichever comes first. &reftitle.returnvalues; Returns the number of bytes written, or &false; on error. &reftitle.changelog; &Version; &Description; 8.5.0 length is now nullable. 7.4.0 The function now returns &false; instead of zero on failure. &reftitle.examples; fwrite("12345"); echo "Wrote $written bytes to file"; ?> ]]> &example.outputs.similar; &reftitle.seealso; fwrite