在str_replace(1,2,3)函数中1 2 3 所代表的名称是( )
A: A "取代字符串","被取代字符串","来源字符串"
B: "被取代字符串","取代字符串","来源字符串"
C: "来源字符串","取代字符串","被取代字符串"
D: "来源字符串","被取代字符串","取代字符串"
A: A "取代字符串","被取代字符串","来源字符串"
B: "被取代字符串","取代字符串","来源字符串"
C: "来源字符串","取代字符串","被取代字符串"
D: "来源字符串","被取代字符串","取代字符串"
举一反三
- 在str_replace(1,2,3)函数中1 2、 3、 所代表的含义是( ) A: "取代字符串","被取代字符串","来源字符串" B: "来源字符串","被取代字符串","取代字符串" C: "来源字符串","取代字符串","被取代字符串" D: "被取代字符串","取代字符串","来源字符串"
- 在str_ireplace(1,2,3)函数中1 2 3 所代表的名称是( ) A: "取代字符串","被取代字符串","来源字符串" B: "被取代字符串","取代字符串","来源字符串" C: "来源字符串","取代字符串","被取代字符串" D: "来源字符串","被取代字符串","取代字符串"
- 在PHP的str_replace(1,2,3)函数中,1,2,3所代表的含义是( ) A: “取代字符串”,“被取代字符串”,“来源字符串” B: “来源字符串”,“被取代字符串”,“取代字符串” C: “来源字符串”,“取代字符串”,“被取代字符串” D: “被取代字符串”,“取代字符串”,“来源字符串”
- 一个字符串中任意个连续字符成为该串的子串。
- 字符串的长度是()。? 串中不同字母的个数|串中所含字符的个数|串中所含字符的个数且字符个数大于零|串中不同字符的个数