PHP Chinese processing function Collection _php skills

---space---
String Gbspace (String)---------space between each Chinese text
String Gbunspace (String)-------space clearance between text in each
String Clear_space (String)-------to clear extra spaces

---conversion---
String gbcase (String,offset)---Converts English text within a string to uppercase and lowercase
Offset: "Upper"-full capitalization of strings (Strtoupper)
"Lower"-string all lowercase (strtolower)
"Ucwords"-capitalize the first letter of each word in a string (ucwords)
"Ucfirst"-capitalize the first letter of the string (Ucfirst)
String Gbrev (String)-----------invert strings

---text check---
int Gb_check (string)-----------check for GB characters within the string, and returns True.
Otherwise it will return false
The int gb_all (string)-------------checks that all words in the string have GB characters and returns true.
Otherwise it will return false
int Gb_non (String)-------------checks that all words in a string are not GB and returns True.
Otherwise it will return false
int Gblen (String)--------------return string length (only one letter in Chinese text)

---find, replace, extract---
Int/array Gbpos (Haystack,needle,[offset])----Find string (Strpos)
Offset: Leave blank-Find the first position to appear
INT-Search By this location for the first position that appears
"R"-Find the last place to appear (Strrpos)
"A"-stores all found words in an array (returns an array)

String Gb_replace (Needle,str,haystack)--Find and replace strings (Str_replace)
String Gb_replace_i (Needle,str_f,str_b,haystack)--Do not check case lookup and replace string
Needle-Find letters
STR-Replaces the letter (Str_f-Before the letter, str_b the letter)
Haystack-strings

String Gbsubstr (String,start,[length])--extracts from a string from start to end or length
Length of the string.
Medium text is counted as a single letter, and positive numbers can be used.
String Gbstrnear (string,length)-extracts the string closest to length from string.
Length in 2 letters in the text count.

---notice---
If you use a string that is returned by Form, you can Stripslashes () the string before removing the redundant \.

Usage: Add in the original PHP code:
Include ("Gb.inc");
You can use the above tool functions.
*/
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<?php
function Gblen ($string) {
$l = strlen ($string);
$ptr = 0;
$a = 0;
while ($a < $l) {
$ch = substr ($string, $a, 1);
$ch 2 = substr ($string, $a +1,1);
if (Ord ($ch) >= hexdec ("0x81") && Ord ($ch 2) >= hexdec ("0x40")) {
$ptr + +;
$a + 2;
} else {
$ptr + +;
$a + +;
}//End IF
}//End WHI?
?>