Some common PHP functions (sorting)

Some common PHP functions (sorting)

/*** Response interval * zouhao619@gmail.com * // *** get the current millisecond * @ return string */function get_millisecond () {$ t = explode ("", microtime (); $ t = $ t [1]. ($ t [0] * 1000); $ t2 = explode (". ", $ t); return $ t2 [0];} /*** curl simulates http/https post requests * @ param string $ url request url * @ param array $ data request parameter * @ return string url content */function curl_post ($ url, $ data = array () {$ ch = curl_init ($ url); curl_setopt ($ ch, CURLOPT_RETURNTRANSF ER, true); // curl_setopt ($ ch, CURLOPT_POST, true) is returned for obtaining data; // When enabled, a conventional POST request is sent. the type is: application/x-www-form-urlencoded, just like submitting a form. Curl_setopt ($ ch, CURLOPT_POSTFIELDS, $ data); // The "POST" operation in HTTP. If you want to transfer a file, you need a file name starting with @ if (substr ($ url,) = 'https') {curl_setopt ($ ch, CURLOPT_SSL_VERIFYPEER, false );} $ content = curl_exec ($ ch); curl_close ($ ch); return $ content ;} /*** curl simulate http get request * @ param string $ url request url * @ param string | array $ data request parameter * @ return string url content */function curl_get ($ url, $ data = array () {$ url = rtrim ($ url, '/'); if (! Empty ($ data) {if (is_array ($ data) {$ first = true; foreach ($ data as $ k = >$ v) {if ($ first) {$ url. = '? '; $ First = false;} else {$ url. = '&';} $ url. = "{$ k }={$ v}" ;}} else {$ data = ltrim ('? ', $ Data); $ url. = '? '. $ Data ;}$ ch = curl_init ($ url); curl_setopt ($ ch, CURLOPT_HEADER, false); curl_setopt ($ ch, CURLOPT_RETURNTRANSFER, true ); // obtain the data and return if (substr ($ url,) = 'https') {curl_setopt ($ ch, CURLOPT_SSL_VERIFYPEER, false );} $ content = curl_exec ($ ch); curl_close ($ ch); return $ content ;} /*** sort two-dimensional array key values ** @ param array $ arr two-dimensional array * @ param string $ keys key value * @ param string $ type ascending order: asc, descending order: desc (else) * @ return array */function Rray_sort ($ arr, $ keys, $ type = 'asc ') {$ keysvalue = $ new_array = array (); foreach ($ arr as $ k => $ v) {$ keysvalue [$ k] = $ v [$ keys];} if ($ type = 'asc ') {asort ($ keysvalue );} else {arsort ($ keysvalue);} reset ($ keysvalue); foreach ($ keysvalue as $ k => $ v) {$ new_array [$ k] = $ arr [$ k];} return $ new_array ;} /*** get client ip * @ param number $ type * @ return string */function get_client_ip ($ type = 0) {$ type = $ type? 1: 0; static $ ip = NULL; if ($ ip! = NULL) return $ ip [$ type]; if (isset ($ _ SERVER ['http _ X_FORWARDED_FOR ']) {$ arr = explode (',', $ _ SERVER ['http _ X_FORWARDED_FOR ']); $ pos = array_search ('Unknown', $ arr); if (false! ==$ Pos) unset ($ arr [$ pos]); $ ip = trim ($ arr [0]);} elseif (isset ($ _ SERVER ['http _ CLIENT_IP ']) {$ ip = $ _ SERVER ['http _ CLIENT_IP'];} elseif (isset ($ _ SERVER ['remote _ ADDR ']) {$ ip = $ _ SERVER ['remote _ ADDR'];} // valid ip address verification $ long = sprintf ("% u", ip2long ($ ip); $ ip = $ long? Array ($ ip, $ long): array ('0. 0.0.0 ', 0); return $ ip [$ type];} /*** convert a string to a camper name ** @ param string $ str * @ param boolean $ big * true false @ * @ return string */function hump_type ($ str, $ big = false) {$ str = strtolower ($ str); $ big and ucfirst ($ str ); $ str = preg_replace ("/_ ([a-zA-Z])/e", "strtoupper ('\ 1')", $ str ); return $ str;}/*** traverse and delete a folder ** @ param string $ path * folder address * @ return boolean */Function delete_files ($ path) {if (is_file ($ path) {return unlink ($ path);} if (is_dir ($ path )) {$ handle = opendir ($ path); if ($ handle! = False) {while (false! ==( $ File = readdir ($ handle) {if (in_array ($ file, array ('. ','.. ') continue; $ file = $ path. '/'. $ file; if (is_dir ($ file) {delete_files ($ file);} else if (is_file ($ file) {if (unlink ($ file) = false) return false ;}} closedir ($ handle) ;}return true ;}/ *** truncates a string (utf8 can be truncated) ** @ param string $ str * @ param int $ start * @ param int $ length * @ param string $ trim * @ param string $ cha Rset * @ return string */function sub ($ str, $ start, $ length, $ trim = "... ", $ charset = 'utf-8') {$ length + = 2; if (function_exists ('MB _ get_info ') {$ iLength = mb_strlen ($ str, $ charset); $ str = mb_substr ($ str, $ start, $ length, $ charset); if ($ length <$ iLength-$ start) {$ length-= 2; return mb_substr ($ str, $ start, $ length, $ charset ). $ trim;} else {return $ str;} else {preg_match_all ("/[\ x01-\ x7f] | [\ Xc2-\ xdf] [\ x80-\ xbf] | \ xe0 [\ xa0-\ xbf] [\ x80-\ xbf] | [\ xe1-\ xef] [\ x80-\ xbf] [\ x80-\ xbf] | \ xf0 [\ x90-\ xbf] [\ x80-\ xbf] [\ x80-\ xbf] | [\ xf1 -\ xf7] [\ x80-\ xbf] [\ x80-\ xbf] [\ x80-\ xbf]/", $ str, $ info); $ str = join ("", array_slice ($ info [0], $ start, $ length )); return ($ length <(sizeof ($ info [0])-$ start ))? $ Str. $ trim: $ str ;}}/*** UI friendly output * wireless parameter */function dump () {$ data = func_get_args (); ob_start (); foreach ($ data as $ v) {var_dump ($ v) ;}$ output = ob_get_clean (); if (! Extension_loaded ('xdebug') {$ output = preg_replace ('/\] \=\> \ n (\ s +)/M','] => ', $ output); $ output ='
' . htmlspecialchars ( $output, ENT_QUOTES ) . '
';} Echo ($ output);}/*** query the substrings on the left and delete the substrings if they are found, delete only once ** @ param string $ str * @ param string $ find * @ return string */function substr_left_once ($ str, $ find) {$ start = strpos ($ str, $ find); if (is_bool ($ start) {return $ str;} else {return substr ($ str, $ start + strlen ($ find ), strlen ($ str) ;}}/*** query the substring from the right side, and delete the substring if it is found, delete only once ** @ param string $ str * @ param string $ find * @ return string */function substr_right_once ($ str, $ find) {$ end = strrpos ($ str, $ find); if (is_bool ($ end) {return $ str;} else {return substr ($ str, 0, $ end );}}