Oracle substr(字符串,开始索引、从0起,长度)Mysql substr或substring(字符串,开始索引、从1起,长度)
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PHP常用API函数速查:expload, str_replace, strpos, substr, stripos, strripos, implode, strrpos
Oracle substr(字符串,开始索引、从0起,长度)Mysql substr或substring(字符串,开始索引、从1起,长度)
PHP常用API函数速查:expload, str_replace, strpos, substr, stripos, strripos, implode, strrpos