capitalize [首字母大寫]
count_characters [計算字符數]
cat [連接字符串]
count_paragraphs [計算段落數]
count_sentences [計算句數]
count_words [計算詞數]
date_format [時間格式]
default [默認]
escape [轉碼]
indent [縮進]
lower [小寫 ]
nl2br [ 換行符替換成 <br />]
regex_replace [ 正則替換 ]
replace [ 替換 ]
spacify [ 插空 ]
string_format [ 字符串格式化 ]
strip [ 去除 ( 多餘空格 )]
strip_tags [ 去除 html 標籤 ]
truncate [ 截取 ]
upper [ 大寫 ]
wordwrap [ 行寬約束 ]
