PHP Tutorials

/** * Remove whitespace and comments from the code * @param string $content code content * @return String */ function Strip_whitespace ($content) { $STRIPSTR = "; Analysis of PHP source code $tokens =

$link = mysql_connect ("Mysql_host", "Mysql_user", "Mysql_password") or Die ("Could Not connect:". Mysql_error ()); mysql_query ("Set names UTF8"); mysql_select_db ("My_database") or Die ("Could not select Database"); ?>

Conversion of Chinese characters to 16 binary encoding function Hexencode ($s) { return Preg_replace ('/(.) /es ', "Str_pad (Dechex (Ord (' \\1 ')), 2, ' 0 ', str_pad_left)", $s); } Convert 16 binary to Chinese

Database I use MySQL PDO but the whole idea is the same. $conn =mysql_connect (' localhost ', ' root ', ' 123 '); if (Mysql_errno ()) { printf (' Connection failed '. Mysql_error ()); } mysql_select_db (' Edeng ');

/** * $str Raw string * $encoding encoding of the original string, default GBK * $prefix encoded prefix, default "" * $postfix the encoded suffix, default ";" */ function Unicode_encode ($str, $encoding = ' GBK ',

!--? PHP //Transparent background image header (' CONTENT-TYPE:TEXT/HTML;CHARSET=GBK '); $safess = $_get[safe]; $dir = dirname (__file__). " /SIMSUN.TTC "; $safe =iconv ("Gb2312″," Utf-8″,

$a = ' Original '; $my _array = Array ("A" = "Cat", "b" = "Dog", "c" = "Horse"); Extract ($my _array); echo "\ $a = $a; \ $b = $b; \ $c = $c "; ?> Copy CodeOutput:$a = Cat; $b = Dog; $c = HorseExample 2 use all

Require_once (' pinyin_table.php '); function Get_pinyin_array ($string) { Global $pinyin _table; $flow = Array (); for ($i =0; $i<>{ if (Ord ($string [$i]) >= 0x81 and Ord ($string [$i]) { $h = Ord

Var_dump (0 = = ' Test '); Var_dump (0 = = "); Var_dump (5 > ' t '); Var_dump (strcmp (5, ' t ')); Copy CodeThe result is (the 1th to 3rd result is wrong, only the 4th one is correct): 4bool (TRUE) bool (TRUE) bool

This article has shared the PHP Socket function library commonly used functions, has the research PHP socket programming friend, may refer to the study. PHP Socket Function Library:Function name Description socket_accept () accepts a socket

$str =preg_replace ("/\s+/", "", $str); Filter Excess return $str =preg_replace ("//si", "", $str); Note $str =preg_replace ("//si "," ", $str); Filter doctype $str =preg_replace ("//si "," ", $str); Filter HTML tags $str =preg_replace ("//si "," ",

$arr = Array (' A ', ' B ', ' C ', ' d '); Unset ($arr [1]); Print_r ($arr); ?> Copy CodeAfter trying to use unset, the array $arr should compress the array to fill the missing element position, but after Print_r

$t =time (); echo Date ("Y-m-d h:i:s", $t); Copy CodeThe format of the first parameter represents: A-"AM" or "PM" A-"AM" or "PM" D-a few days, two digits, if less than two digits before 0; such as: "01" to "D"-Day of the week, three

This article describes the method of PHP string collation, including access to a single character, delete whitespace characters, HTML escape and other operations, the need to refer to a friend.PHP implements the access to characters in strings,

Querys.json: {"Cities": ["\u4e0a\u6d77", "\u4e1c\u839e", "\u4e2d\u5c71", "\u4e3d\u6c34", "\u4e4c\u9c81\u6728\u9f50", "\u4f5b\ U5c71 "," \u4fdd\u5b9a "," \u5170\u5dde "," \u5317\u4eac "," \u5357\u4eac "," \u5357\u5b81 "," \u5357\u660c "," \u535

function Unescape ($STR) { $str = Rawurldecode ($STR); Preg_match_all ("/(?:%u.{4}) |. +/", $str, $r); $ar = $r [0]; foreach ($ar as $k = = $v) { if (substr ($v, 0,2) = = '%u ' && strlen ($v) = = 6) $ar [$k]

function Html2text ($STR) { $str = Preg_replace ("/

Class Request { Public Function __construct () { if (!GET_MAGIC_QUOTES_GPC ()) { if (!empty ($_post)) { foreach ($_post as $k = & $v) { if (Is_array ($v)) { @array_walk ($v, ' urldecode ');

$str = ' 1234567890 '; $needle = ' 234 '; $result = STRCHR ($str, $needle); Var_dump ($result); copy code Result: String ' 234567890 ' (length=9) Strrpos looks for a character in the string where the last

Session_Start (); if ($_session[' company ']== ') { Exit (); } ?> $uptypes =array (' image/jpg ', ' image/jpeg ', ' image/png ', ' image/pjpeg ', ' image/gif ', ' image/bmp ', ' application/' X-shockwave-flash '