gzread

(PHP 4, PHP 5, PHP 7)

gzread — Binary-safe gz-file read

说明

gzread ( resource $zp , int $length ) : string

gzread() reads up to length bytes from the given gz-file pointer. Reading stops when length (uncompressed) bytes have been read or EOF is reached, whichever comes first.

参数

zp

The gz-file pointer. It must be valid, and must point to a file successfully opened by gzopen().

length

The number of bytes to read.

返回值

The data that have been read.

范例

Example #1 gzread() example

<?php
// get contents of a gz-file into a string
$filename = "/usr/local/something.txt.gz";
$zd = gzopen($filename, "r");
$contents = gzread($zd, 10000);
gzclose($zd);
?>

参见

  • gzwrite() - Binary-safe gz-file write
  • gzopen() - Open gz-file
  • gzgets() - Get line from file pointer
  • gzgetss() - Get line from gz-file pointer and strip HTML tags
  • gzfile() - Read entire gz-file into an array
  • gzpassthru() - Output all remaining data on a gz-file pointer