过滤器

• abs
• batch
• capitalize
• column
• convert_encoding
• country_name
• currency_name
• currency_symbol
• data_uri
• date
• date_modify
• default
• escape
• filter
• first
• format
• format_currency
• format_date
• format_datetime
• format_number
• format_time
• html_to_markdown
• inline_css
• inky_to_html
• join
• json_encode
• keys
• language_name
• last
• length
• locale_name
• lower
• map
• markdown_to_html
• merge
• nl2br
• number_format
• raw
• reduce
• replace
• reverse
• round
• slice
• slug
• sort
• spaceless
• split
• striptags
• timezone_name
• title
• trim
• u
• upper
• url_encode