Php get the string uft-8 encoding-PHP source code

Ec (2); Method 1 & nbsp; the Code below copies the code echopreg_replace (# [x {4e00}-x {9fa5}] # ue, chinese_unicode (& quot; & quot;), & quot; Hello, China & quot;); Protect script ec (2); script

// Method 1

The Code is as follows:
Echo preg_replace ('# [x {4e00}-x {9fa5}] # ue', 'Chinese _ unicode ("\ 0") ', "Hello, China "); // ensure that "Hello, China" is UTF-8. Function chinese_unicode ($ c ){ Return "u ". dechex (ord ($ c [0]) & 0x1f) <12) + (ord ($ c [1]) & 0x3f <6) + (ord ($ c [2]) & 0x3f ));

}
// Method 2

The Code is as follows:
Foreach (unpack ( 'N *', Mb_convert_encoding (' ', 'unicode', 'gbk ') ) As $ I ){ Echo 'U', dechex ($ I );

}