将数组的键名全部转换成小写和大写的函数是( )?
A: array_change_value_case($array [,CASE_LOWER|CASE_UPPER])
B: array_change_key($array [,CASE_LOWER|CASE_UPPER])
C: array_change_key_case($array [,CASE_LOWER|CASE_UPPER])
D: array_change_case($array [,CASE_LOWER|CASE_UPPER])
A: array_change_value_case($array [,CASE_LOWER|CASE_UPPER])
B: array_change_key($array [,CASE_LOWER|CASE_UPPER])
C: array_change_key_case($array [,CASE_LOWER|CASE_UPPER])
D: array_change_case($array [,CASE_LOWER|CASE_UPPER])
举一反三
- Block Capitals A: Capital letters (upper case) B: Small letters (lower case) C: A certificate
- SQL server的数据类型转换函数有 A: case B: meet C: convert D: upper
- The case of noun are mainly ____________. A: accusative case B: dative case C: possessive case D: nominative case
- Take this with you________you get into trouble. A: in case B: in the case C: in case of D: in no case
- Be quiet ______ you wake the baby. A: in case of B: in any case C: in the case D: in case