php字符串常用函数

number_format (number, [number_of_decimals], [decimal_character], [thousand_separator_character])

str_replace ('match_pattern', 'replacement_pattern', 'text', [count])

strstr ('string', 'match_pattern', [before_indicator])

substr ('string', position_start, substr_length)

<a href="http://www.1keydata.com/php-tutorial/string-functions.php">http://www.1keydata.com/php-tutorial/string-functions.php</a>

<a href="http://developer.51cto.com/art/200807/94916.htm">http://developer.51cto.com/art/200807/94916.htm</a>