Common User-Defined Functions

Common functions of encoding, such as getting an IP address, sending an email, curl encapsulation, encryption, decryption, String object, and conversion to an array, will be followed by a supplement without obtaining ipfunded IP () {if (getenv (X-Forwarded-) strcasecmp (getenv (X-Forwarded-For), unknown) {$ ipgetenv (X-Forwarded-For);} elseif (getenv (HTTP_CLIENT _

Some common functions of encoding, such as getting an IP address, sending an email, curl encapsulation, encryption, decryption, String object, and conversion to an array, will be supplemented. // get IPfunction ip address () {if (getenv ('x-Forwarded-For ') strcasecmp (getenv ('x-Forwarded-For'), 'unknown ')) {$ ip = getenv ('x-Forwarded-For ');} elseif (getenv ('HTTP _ CLIENT _

Some common functions of encoding, such as getting an IP address, sending an email, curl encapsulation, encryption, decryption, and decryption. <无>

// Obtain IPfunction ip () {if (getenv ('x-Forwarded-For ') & strcasecmp (getenv ('x-Forwarded-For'), 'unknown ')) {$ ip = getenv ('x-Forwarded-For ');} elseif (getenv ('HTTP _ CLIENT_IP') & strcasecmp (getenv ('HTTP _ CLIENT_IP '), 'unknon') {$ ip = getenv ('HTTP _ CLIENT_IP ');} elseif (getenv ('HTTP _ X_FORWARDED_FOR ') & strcasecmp (getenv ('HTTP _ X_FORWARDED_FOR '), 'unknown') {$ ip = getenv ('HTTP _ X_FORWARDED_FOR ');} elseif (getenv ('remote _ ADDR ') & strcasecmp (getenv ('remote _ ADDR'), 'unknown ') {$ ip = getenv ('remote _ ADDR ');} elseif (isset ($ _ SERVER ['remote _ ADDR ']) & $ _ SERVER ['remote _ ADDR '] & strcasecmp ($ _ SERVER ['remote _ ADDR'], 'unknown ')) {$ ip = $ _ SERVER ['remote _ ADDR '];} return preg_match ("/[\ d \.] {7, 15}/", $ ip, $ matches )? $ Matches [0]: 'unknown ';} // curl encapsulate function curl ($ url, $ method = 'get', $ postFields = null, $ header = null) {$ ch = curl_init (); curl_setopt ($ ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); curl_setopt ($ ch, success, false); curl_setopt ($ ch, success, true ); curl_setopt ($ ch, CURLOPT_FOLLOWLOCATION, true); curl_setopt ($ ch, CURLOPT_TIMEOUT, 5); if (strlen ($ url)> 5 & strtolower (sub Str ($ url, 0, 5) = "https") {curl_setopt ($ ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt ($ ch, CURLOPT_SSL_VERIFYHOST, false );} switch ($ method) {case 'post': curl_setopt ($ ch, CURLOPT_POST, true); if (! Empty ($ postFields) {if (is_array ($ postFields) | is_object ($ postFields) {if (is_object ($ postFields) $ postFields = Bin_Tools :: object2array ($ postFields); $ postBodyString = ""; $ postMultipart = false; foreach ($ postFields as $ k => $ v) {if ("@"! = Substr ($ v, 0, 1) {// determines whether a file is uploaded $ postBodyString. = "$ k = ". urlencode ($ v ). "&" ;}else {// multipart/form-data for file upload; otherwise, www-form-urlencoded $ postMultipart = true ;}} unset ($ k, $ v); if ($ postMultipart) {curl_setopt ($ ch, CURLOPT_POSTFIELDS, $ postFields);} else {curl_setopt ($ ch, CURLOPT_POSTFIELDS, substr ($ postBodyString, 0, -1) ;}} else {curl_setopt ($ ch, CURLOPT_POSTFIELDS, $ postFields) ;}} break; default: if (! Empty ($ postFields) & is_array ($ postFields) $ url. = (strpos ($ url ,'? ') = False? '? ':' & '). Http_build_query ($ postFields); break;} curl_setopt ($ ch, CURLOPT_URL, $ url); if (! Empty ($ header) & is_array ($ header) {curl_setopt ($ ch, CURLOPT_HTTPHEADER, $ header);} $ response = curl_exec ($ ch ); if (curl_errno ($ ch) {throw new Exception (curl_error ($ ch), 0) ;}curl_close ($ ch); return $ response ;} // function object_to_array ($ obj) {$ _ arr = is_object ($ obj )? Get_object_vars ($ obj): $ obj; foreach ($ _ arr as $ key => $ val) {$ val = (is_array ($ val) | is_object ($ val ))? Object_to_array ($ val): $ val; $ arr [$ key] = $ val;} return $ arr;} // send an email Based on phpmailerfunction sendmail ($ to, $ title, $ content) {$ mail = new lib_phpmail_phpmail (); $ mail-> CharSet = "UTF-8"; $ mail-> IsSMTP (); $ mail-> SMTPAuth = true; $ mail-> SMTPSecure = "ssl"; $ mail-> Host = "11.111.11.11: 465"; $ mail-> Port = 25; $ mail-> Username = "aaa@aaa.com "; $ mail-> Password = "123abc"; $ mail-> SetFrom ('aaa @ aaa.com ', 'info'); $ mail-> Add Address ($ to); $ mail-> IsHTML (true); $ mail-> Subject = $ title; $ mail-> Body = $ content; return $ mail-> Send ();} // function encrypt ($ encrypt, $ key = "key") {$ iv = mcrypt_create_iv (mcrypt_get_iv_size (encrypt, MCRYPT_MODE_ECB ), MCRYPT_RAND); $ passcrypt = mcrypt_encrypt (encrypt, $ key, $ encrypt, encrypt, $ iv); $ encode = base64_encode ($ passcrypt); return $ encode;} // decrypt the string Function decrypt ($ decrypt, $ key = "key") {$ decoded = base64_decode ($ decrypt); $ iv = mcrypt_create_iv (encrypt (decrypt, MCRYPT_MODE_ECB), MCRYPT_RAND ); $ decrypted = mcrypt_decrypt (encrypt, $ key, $ decoded, MCRYPT_MODE_ECB, $ iv); return $ decrypted;} // paging function getPage ($ count, $ pageNum, $ pagesize, $ linksize = 10) {if ($ count = 0) return ''; $ totalPage = ceil ($ Count/$ pagesize); $ p = 'page'; $ request_url = $ _ SERVER ['request _ URI ']; if (strpos ($ request_url ,'? ') {$ Url = $ request_url;} else {$ url = $ request_url .'? ';}$ Parse = parse_url ($ url); if (isset ($ parse ['query']) {parse_str ($ parse ['query'], $ params ); unset ($ params [$ p]); $ url = $ parse ['path']. '? '. Http_build_query ($ params);} // if ($ pageNum> 1) {$ firstPage ='
Homepage
';} If ($ pageNum <$ totalPage) {$ endPage ='
Last page
';} // Next page on the previous page $ upRow = $ pageNum-1; $ downRow = $ pageNum + 1; $ upPage = $ downPage = ''; if ($ upRow> 0) {$ upPage ='
Previous Page
';} If ($ downRow <= $ totalPage) {$ downPage ='
Next Page
';} // Start and end page number of the calculation. $ start = max (1, $ pageNum-intval ($ linksize/2 )); $ end = min ($ start + $ linksize-1, $ totalPage); $ start = max (1, $ end-$ linksize + 1); $ pageStr = ''; for ($ I = $ start; $ I <= $ end; $ I ++) {if ($ I = $ pageNum) {$ pageStr. ='
'. $ I .'
';} Else {$ pageStr. ='
'. $ I .'
';}}$ PageStr = $ firstPage. $ upPage. $ pageStr. $ downPage. $ endPage; $ pageStr. ='
Total '. $ totalPage. 'page'; return $ pageStr;} // encode the public function entities2utf8 ($ unicode_c) {$ unicode_c = preg_replace_callback ("/\&\#(. + ?) \;/", Function ($ unicode_str) {$ unicode_c_val = hexdec ($ unicode_str [1]); $ f = 0x80; // 10000000 $ str = ""; // U-00000000-U-0000007F: 0 xxxxxxx if ($ unicode_c_val <= 0x7F) {$ str = chr ($ unicode_c_val);} // U-00000080-U-000007FF: 110 xxxxx 10 xxxxxx else if ($ unicode_c_val> = 0x80 & $ unicode_c_val <= 0x7FF) {$ h = 0xC0; // 11000000 $ c1 = $ unicode_c_val> 6 | $ h; $ c2 = ($ unicode_c_val & 0x3F) | $ f; $ str = chr ($ c1 ). chr ($ c2);} // U-00000800-U-0000FFFF: 1110 xxxx 10 xxxxxx 10 xxxxxx else if ($ unicode_c_val> = 0x800 & $ unicode_c_val <= 0 xFFFF) {$ h = 0xE0; // 11100000 $ c1 = $ unicode_c_val> 12 | $ h; $ c2 = ($ unicode_c_val & 0xFC0)> 6) | $ f; $ c3 = ($ unicode_c_val & 0x3F) | $ f; $ str = chr ($ c1 ). chr ($ c2 ). chr ($ c3);} // U-00010000-U-001FFFFF: 11110xxx 10 xxxxxx 10 xxxxxx 10 xxxxxx else if ($ unicode_c_val> = 0x10000 & $ unicode_c_val <= 0x1FFFFF) {$ h = 0xF0; // 11110000 $ c1 = $ unicode_c_val> 18 | $ h; $ c2 = ($ unicode_c_val & 0x3F000)> 12) | $ f; $ c3 = ($ unicode_c_val & 0xFC0)> 6) | $ f; $ c4 = ($ unicode_c_val & 0x3F) | $ f; $ str = chr ($ c1 ). chr ($ c2 ). chr ($ c3 ). chr ($ c4);} // U-00200000-U-03FFFFFF: 111110xx 10 xxxxxx 10 xxxxxx 10 xxxxxx 10 xxxxxx else if ($ unicode_c_val> = 0x200000 & $ unicode_c_val <= 0x3FFFFFF) {$ h = 0xF8; // 11111000 $ c1 = $ unicode_c_val> 24 | $ h; $ c2 = ($ unicode_c_val & 0xFC0000)> 18) | $ f; $ c3 = ($ unicode_c_val & 0x3F000)> 12) | $ f; $ c4 = ($ unicode_c_val & 0xFC0)> 6) | $ f; $ c5 = ($ unicode_c_val & 0x3F) | $ f; $ str = chr ($ c1 ). chr ($ c2 ). chr ($ c3 ). chr ($ c4 ). chr ($ c5);} // U-04000000-U-7FFFFFFF: 1111110x 10 xxxxxx 10 xxxxxx 10 xxxxxx 10 xxxxxx 10 xxxxxx else if ($ unicode_c_val> = 0x4000000 & $ unicode_c_val <= 0x7FFFFFFF) {$ h = 0xFC; // 11111100 $ c1 = $ unicode_c_val> 30 | $ h; $ c2 = ($ unicode_c_val & 0x3F000000)> 24) | $ f; $ c3 = ($ unicode_c_val & 0xFC0000)> 18) | $ f; $ c4 = ($ unicode_c_val & 0x3F000)> 12) | $ f; $ c5 = ($ unicode_c_val & 0xFC0)> 6) | $ f; $ c6 = ($ unicode_c_val & 0x3F) | $ f; $ str = chr ($ c1 ). chr ($ c2 ). chr ($ c3 ). chr ($ c4 ). chr ($ c5 ). chr ($ c6) ;}return $ str ;}, $ unicode_c); return $ unicode_c ;}