缩略语:
"Elton John"
"2012"
" George Bush"
" Julia"
"Marry III Great"
须打上<代码>第1封信的编号,并添加到<代码>字母代码>变量上。
说明中有多少字(分为“空间”):
如果只有一个字,则在第一字的第一封信中打上
$
。如有不止一个字,则在第二字的第一封信中插入
$
。<代码> 姓名代码>为空档,
$letter
至未定义的
。
感谢。
缩略语:
"Elton John"
"2012"
" George Bush"
" Julia"
"Marry III Great"
须打上<代码>第1封信的编号,并添加到<代码>字母代码>变量上。
说明中有多少字(分为“空间”):
如果只有一个字,则在第一字的第一封信中打上$
。
如有不止一个字,则在第二字的第一封信中插入$
。
<代码> 姓名代码>为空档,$letter
至未定义的
。
感谢。
$names = explode( , trim($name));
if (empty($names))
$letters = undefined ;
else if(count($names)==1)
$letters = substr($names[0],0,1);
else
$letters = substr($names[1],0,1);
你们只能做一次探索或预想,并算出:
$parts = preg_split( /s/ , $subject, -1, PREG_SPLIT_NO_EMPTY);
if (count($parts) == 1)
...
a. 探索的替代物:
$subject = trim(subject);
$parts = explode( , $subject);
如果你确定只有空间,这种工作也会发生。
或者说,你只能使用
$letter = $name{0};
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