1--TEST-- 2Test gzdeflate() function : variation 3--SKIPIF-- 4<?php 5if (!extension_loaded("zlib")) { 6 print "skip - ZLIB extension not loaded"; 7} 8?> 9--FILE-- 10<?php 11/* Prototype : string gzdeflate(string data [, int level]) 12 * Description: Gzip-compress a string 13 * Source code: ext/zlib/zlib.c 14 * Alias to functions: 15 */ 16 17include(__DIR__ . '/data.inc'); 18 19echo "*** Testing gzdeflate() : variation ***\n"; 20 21 22 23echo "\n-- Testing multiple compression --\n"; 24$output = gzdeflate($data); 25var_dump( md5($output)); 26var_dump(md5(gzdeflate($output))); 27 28?> 29===Done=== 30--EXPECT-- 31*** Testing gzdeflate() : variation *** 32 33-- Testing multiple compression -- 34string(32) "078554fe65e06f6ff01eab51cfc7ae9b" 35string(32) "86b9f895ef1377da5269ec3cb2729f71" 36===Done=== 37