《供电营业规则》规定:窃电者应按所窃电量补交电费,并承担补交电费三倍的违约使用电费()
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echostrrpos('ilovephp','o',-4);//输出结果()
A. 2
B. 3
C. 4
D. 5
运行以下代码<?php$cars=array(DIOR,LV,update);arsort($cars);print_r($cars);?>结果是()
Array ([2] => update [1] => LV [0] => DIOR )
B. Array ([0] => DIOR [1] => LV [2] => update )
C. Array ([0] => update [1] => LV [2] => DIOR )
D. Array ([2] => DIOR [1] => LV [0] => update )
可以对数组进行逆向排序的是()
A. sort
B. krsort
C. asort
D. ksort