php get first character of string

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A string is composed of a series of characters, each of which is equivalent to a byte. This means that PHP only supports the 256 character set and therefore does not support Unicode. For details, see the description of the string type. Note: string..

Three ways to get post data from PHP PHP image plus watermark source code One of the simplest examples of Php+ajax+json PHP Chinese Pinyin Source code PHP iterates through directories, generates MD5 values for each file in the directory, and writes

: This article mainly introduces php programming notes. if you are interested in PHP tutorials, please refer to them. Three methods for php to obtain POST data Php image watermarking source code Php + ajax + json is the simplest example. Php Chinese

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Recently read a lot of coding articles, so divided into two blog post said "PHP, string, encoding, UTF-8" related knowledge, this blog is the first half, divided into four parts, they are "definition and use of strings", "string conversion",

1, the string connectorHalf-width symbol "." is a string connector that connects two or more two strings to a string. For example:$name = "cloud-dwelling Community network:";$url = WWW.51EBK;Echo $name. $url. ". com";?>The results of the operation

PHP Tutorial Configuration Chinese Narration Let's see what you see, php.ini. [PHP] ;;;;;;;;;;;; WARNING;;;;;;;;;;;;; This is the default settings file for new PHP installations.; By default, PHP installs itself with a configuration suitable for;

The content of this section: Objective Related concepts Default encoding in Python Support for strings in Python2 and Python3 Character encoding Conversion First, preface The character encoding in Python is a

The problem of character encoding seems to be very small, often overlooked by technical staff, but it can easily lead to some puzzling problems. Here is a summary of the character encoding of some of the popular knowledge, I hope to be helpful to