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gzseek(PHP 4, PHP 5) gzseek — Seek on a gz-file pointer Description int gzseek ( resource $zp , int $offset ) Sets the file position indicator for the given file pointer to the given offset byte into the file stream. Equivalent to calling (in C) gzseek(zp, offset, SEEK_SET). If the file is opened for reading, this function is emulated but can be extremely slow. If the file is opened for writing, only forward seeks are supported; gzseek() then compresses a sequence of zeroes up to the new starting position. Parameters
Return ValuesUpon success, returns 0; otherwise, returns -1. Note that seeking past EOF is not considered an error. Examples
Example #1 gzseek() example <?php |