每个单词的首字母转换为大写:ucwords()
1 |
<?php |
2 |
$foo = 'hello
world!' ; |
3 |
$foo =
ucwords( $foo ); //
Hello World! |
4 |
5 |
$bar = 'HELLO
WORLD!' ; |
6 |
$bar =
ucwords( $bar ); //
HELLO WORLD! |
7 |
$bar =
ucwords( strtolower ( $bar )); //
Hello World! |
8 |
?> |
第一个单词首字母变大写:ucfirst()
1 |
<?php |
2 |
$foo = 'hello
world!' ; |
3 |
$foo =
ucfirst( $foo ); //
Hello world! |
4 |
5 |
$bar = 'HELLO
WORLD!' ; |
6 |
$bar =
ucfirst( $bar ); //
HELLO WORLD! |
7 |
$bar =
ucfirst( strtolower ( $bar )); //
Hello world! |
8 |
?> |
第一个单词首字母变小写:lcfirst()
1 |
<?php |
2 |
$foo = 'HelloWorld' ; |
3 |
$foo =
lcfirst( $foo ); //
helloWorld |
4 |
5 |
$bar = 'HELLO
WORLD!' ; |
6 |
$bar =
lcfirst( $bar ); //
hELLO WORLD! |
7 |
$bar =
lcfirst( strtoupper ( $bar )); //
hELLO WORLD! |
8 |
?> |
所有 字母变大写:strtoupper()
所有 字母变小写:strtolower()