Phpupletter

2010年9月22日—Inthisclip,you'lllearnhowtoemployvariablesandarraystogenerateaformletterwhencodinginPHP.Whetheryou'renewtothePHP: ...,2010年4月20日—Themostefficientwayofdoingthisinmyopinionistojustincrementthestringvariable.$str='a';echo++$str;//prints'b'$str ...,2010年8月25日—Character/stringincrementworksinPHP(thoughdecrementdoesn't)$x='AAZ';$x++;echo$x;//'ABA'.,Returnsstringwithallalphabeticc...

參考資訊如下
How to Create a simple form letter when programming in PHP

2010年9月22日 — In this clip, you'll learn how to employ variables and arrays to generate a form letter when coding in PHP. Whether you're new to the PHP: ...

Most efficient way to get next letter in the alphabet using PHP

2010年4月20日 — The most efficient way of doing this in my opinion is to just increment the string variable. $str = 'a'; echo ++$str; // prints 'b' $str ...

How to increment letters like numbers in PHP?

2010年8月25日 — Character/string increment works in PHP (though decrement doesn't) $x = 'AAZ'; $x++; echo $x; // 'ABA'.

mb_strtoupper

Returns string with all alphabetic characters converted to uppercase. Parameters ¶. string. The string being uppercased. encoding. The ...

ucfirst

Here is a handy function that makes the first letter of everything in a sentence upercase. I used it to deal with titles of events posted on my website ... I've ...

ctype_upper

Returns true if every character in text is an uppercase letter in the current locale. When called with an empty string the result will always be false .

strtoupper

Returns string with all ASCII alphabetic characters converted to uppercase. Bytes in the range a (0x61) to z (0x7a) will be converted to the ...

Php problem with outputting letters

2020年9月4日 — Php problem with outputting letters · 1 - Take your first string $one = 'abcdefghijklmnopqrstuvwxyz' · 2 - use substr() to create 2 new strings ...

PHP strtoupper() Function

The strtoupper() function converts a string to uppercase. Note: This function is binary-safe. Related functions: strtolower() - converts a string to lowercase ...

PHP ucwords() Function

The ucwords() function converts the first character of each word in a string to uppercase. Note: This function is binary-safe. Related functions: ucfirst() - ...