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])

In the case of homothetic preferences the entire change in demand from a price change is due to the substitution effect.

如果下雨,该计划就要改变。 The plan is ______ change in case of rain.

A ____is added to the end of stems to modify the meaning of the original word and it may case change its part of speech.

I kept this seat for him in case he ( )()( ) this mind. A: change B: changed C: changes D: has changed

I kept this seat for him in case he _____<br/>this mind. A: change B: changed C: changes D: has changed

which parameter is max. value can be referred in case IMM change? A: speed B: injection time C: injection pressure D: metering time

多维数组定义如下，其维度是&#91;填空(1)&#93;。array( array( array(1,3,4), array( array( 1,2,3 ) ) ), array( array(1,2), a

$cars=array( array("Volvo",22,18), array("BMW",15,13), array("Saab",5,2), array("LandRover",17,15) );

统计数组中所有的值出现的次数的函数是（ ）？ A: array array_count ( array $input ) B: array array_count_values ( array $input ) C: array array_values ( array $input ) D: array count_values ( array $input )