2 Test gzdeflate() function : basic functionality
5 if (!extension_loaded("zlib")) {
6 print "skip - ZLIB extension not loaded";
11 /* Prototype : string gzdeflate(string data [, int level, [int encoding]])
12 * Description: Gzip-compress a string
13 * Source code: ext/zlib/zlib.c
18 * add a comment here to say what the test is supposed to do
21 include(dirname(__FILE__) . '/data.inc');
23 echo "*** Testing gzdeflate() : basic functionality ***\n";
25 // Initialise all required variables
27 $smallstring = "A small string to compress\n";
30 // Calling gzdeflate() with all possible arguments
32 // Compressing a big string
33 for($i = -1; $i < 10; $i++) {
34 echo "-- Compression level $i --\n";
35 $output = gzdeflate($data, $i);
36 var_dump(md5($output));
37 var_dump(strcmp(gzinflate($output), $data));
40 // Compressing a smaller string
41 for($i = -1; $i < 10; $i++) {
42 echo "-- Compression level $i --\n";
43 $output = gzdeflate($smallstring, $i);
44 var_dump(bin2hex($output));
45 var_dump(strcmp(gzinflate($output), $smallstring));
48 // Calling gzdeflate() with just mandatory arguments
49 echo "\n-- Testing with no specified compression level --\n";
50 var_dump( bin2hex(gzdeflate($smallstring) ));
55 *** Testing gzdeflate() : basic functionality ***
56 -- Compression level -1 --
57 string(32) "078554fe65e06f6ff01eab51cfc7ae9b"
59 -- Compression level 0 --
60 string(32) "a71e54d2499aff9e48643cb1c260b60c"
62 -- Compression level 1 --
63 string(32) "05e80f4dc0d422e1f333cbed555d381f"
65 -- Compression level 2 --
66 string(32) "0fb33656e4ed0750f977df83246fce7a"
68 -- Compression level 3 --
69 string(32) "bc6e9c1dccc3e951e006315ee669ee08"
71 -- Compression level 4 --
72 string(32) "a61727d7a28c634470eb6e97a4a81b24"
74 -- Compression level 5 --
75 string(32) "a2a1a14b7542c82e8943200d093d5f27"
77 -- Compression level 6 --
78 string(32) "078554fe65e06f6ff01eab51cfc7ae9b"
80 -- Compression level 7 --
81 string(32) "078554fe65e06f6ff01eab51cfc7ae9b"
83 -- Compression level 8 --
84 string(32) "078554fe65e06f6ff01eab51cfc7ae9b"
86 -- Compression level 9 --
87 string(32) "078554fe65e06f6ff01eab51cfc7ae9b"
89 -- Compression level -1 --
90 string(58) "735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee60200"
92 -- Compression level 0 --
93 string(64) "011b00e4ff4120736d616c6c20737472696e6720746f20636f6d70726573730a"
95 -- Compression level 1 --
96 string(58) "735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee60200"
98 -- Compression level 2 --
99 string(58) "735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee60200"
101 -- Compression level 3 --
102 string(58) "735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee60200"
104 -- Compression level 4 --
105 string(58) "735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee60200"
107 -- Compression level 5 --
108 string(58) "735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee60200"
110 -- Compression level 6 --
111 string(58) "735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee60200"
113 -- Compression level 7 --
114 string(58) "735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee60200"
116 -- Compression level 8 --
117 string(58) "735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee60200"
119 -- Compression level 9 --
120 string(58) "735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee60200"
123 -- Testing with no specified compression level --
124 string(58) "735428ce4dccc951282e29cacc4b5728c95748cecf2d284a2d2ee60200"