--TEST-- Test gzcompress() function : basic functionality --SKIPIF-- <?php if (!extension_loaded("zlib")) { print "skip - ZLIB extension not loaded"; } ?> --FILE-- <?php /* Prototype : string gzcompress(string data [, int level, [int encoding]]) * Description: Gzip-compress a string * Source code: ext/zlib/zlib.c * Alias to functions: */ /* * add a comment here to say what the test is supposed to do */ include(dirname(__FILE__) . '/data.inc'); echo "*** Testing gzcompress() : basic functionality ***\n"; // Initialise all required variables $smallstring = "A small string to compress\n"; // Calling gzcompress() with all possible arguments // Compressing a big string for($i = -1; $i < 10; $i++) { echo "-- Compression level $i --\n"; $output = gzcompress($data, $i); var_dump(md5($output)); var_dump(strcmp(gzuncompress($output), $data)); } // Compressing a smaller string for($i = -1; $i < 10; $i++) { echo "-- Compression level $i --\n"; $output = gzcompress($smallstring, $i); var_dump(bin2hex($output)); var_dump(strcmp(gzuncompress($output), $smallstring)); } // Calling gzcompress() with mandatory arguments echo "\n-- Testing with no specified compression level --\n"; var_dump( bin2hex(gzcompress($smallstring) )); ?> ===Done=== --EXPECT-- *** Testing gzcompress() : basic functionality *** -- Compression level -1 -- string(32) "764809aef15bb34cb73ad49ecb600d99" int(0) -- Compression level 0 -- string(32) "d0136b3fb5424142c0eb26dfec8f56fe" int(0) -- Compression level 1 -- string(32) "c2e070f4320d1f674965eaab95b53d9c" int(0) -- Compression level 2 -- string(32) "36922f486410d08209d0d0d21b26030e" int(0) -- Compression level 3 -- string(32) "a441a2f5169bb303cd45b860a5a9dbf9" int(0) -- Compression level 4 -- string(32) "d5b7451e9de2864beccc9de1fc55eb87" int(0) -- Compression level 5 -- string(32) "32ba4a01120449ec25508cabfad41f56" int(0) -- Compression level 6 -- string(32) "764809aef15bb34cb73ad49ecb600d99" int(0) -- Compression level 7 -- string(32) "e083e7e8d05471fed3c2182b9cd0d9eb" int(0) -- Compression level 8 -- string(32) "e083e7e8d05471fed3c2182b9cd0d9eb" int(0) -- Compression level 9 -- string(32) "e083e7e8d05471fed3c2182b9cd0d9eb" int(0) -- Compression level -1 -- string(70) "789c735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee6020087a509cb" int(0) -- Compression level 0 -- string(76) "7801011b00e4ff4120736d616c6c20737472696e6720746f20636f6d70726573730a87a509cb" int(0) -- Compression level 1 -- string(70) "7801735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee6020087a509cb" int(0) -- Compression level 2 -- string(70) "785e735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee6020087a509cb" int(0) -- Compression level 3 -- string(70) "785e735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee6020087a509cb" int(0) -- Compression level 4 -- string(70) "785e735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee6020087a509cb" int(0) -- Compression level 5 -- string(70) "785e735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee6020087a509cb" int(0) -- Compression level 6 -- string(70) "789c735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee6020087a509cb" int(0) -- Compression level 7 -- string(70) "78da735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee6020087a509cb" int(0) -- Compression level 8 -- string(70) "78da735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee6020087a509cb" int(0) -- Compression level 9 -- string(70) "78da735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee6020087a509cb" int(0) -- Testing with no specified compression level -- string(70) "789c735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee6020087a509cb" ===Done===