PHP Conversion Case Tutorial Basics

In order to take care of new PHP friends, this chapter will share with you the most basic knowledge: PHP How to convert the case, we will use the example to explain.

Strtoupper ()

Capitalize all letters

Strtolower ()

All Letters lowercase

Ucwords ()

The first letter of each word is converted to uppercase

Ucfirst ()

Capitalize the first letter of the initial word

Lcfirst ()

The first word gets lowercase

Example:

$foo = ' Hello world! '; $foo = Ucwords ($foo);             Hello world! $bar = ' HELLO world! '; $bar = Ucwords ($bar);             HELLO world! $bar = Ucwords (Strtolower ($bar)); Hello world! $foo = ' Hello world! '; $foo = Ucfirst ($foo);             Hello world! $bar = ' HELLO world! '; $bar = Ucfirst ($bar);             HELLO world! $bar = Ucfirst (Strtolower ($bar)); Hello world! $foo = ' HelloWorld '; $foo = Lcfirst ($foo);             HelloWorld $bar = ' HELLO world! '; $bar = Lcfirst ($bar);             HELLO world! $bar = Lcfirst (Strtoupper ($bar)); HELLO world!

The above is the PHP conversion case of the details, I hope the net is helpful to everyone.