[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fF2WwDSha1bTjffYXm45cTlYRAHNGCI9-nWtQ25lWIHI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":28,"type":29},[],"2023-11-05 16:21:44",103050958,[8,9,10,11],"$arr[' yellow' ] [' orange' ] [0]","$arr[' yellow' ] [' orange' ] [' dog' ]","$arr[3] [3] [2]","$arr[' yellow' ] [' apple' ] [0]",{"courseId":13,"courseImg":14,"courseName":15},"0dc7bef3c76eec7d374f03cd950cb959","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F48eba3395437dd881b1b9275a0ad1028.png","PHP程序设计","从数组$arr 中找出值dog 正确的是<?php$arr = array( "red " , " green " , 42 => "blue " ,"yellow " => array( "apple " , 9 =>"pear " , " banana" , " orange " =>array( "dog" , " cat " , " iguana " ) ) ) ;?>",[18,30,39,48,57,66,75,84,93,102],{"answer":19,"createTime":20,"id":21,"options":22,"question":27,"source":28,"type":29},[],"2023-11-05 16:21:42",103050908,[23,24,25,26],"$users[]='John'","array_push($users,'John')","$users()='John'","array_unshift($users,'John')","下列哪个没有将'John'添加进数组$users中( )","v1",0,{"answer":31,"createTime":20,"id":32,"options":33,"question":38,"source":28,"type":29},[],103050909,[34,35,36,37],"isset()","empty()","var_dump()","print_r()","使用以下哪个函数判断一个数组是否是空的",{"answer":40,"createTime":20,"id":41,"options":42,"question":47,"source":28,"type":29},[],103050910,[43,44,45,46],"23","lily","rose","21","$arr = [['jack','boy',23],['rose','girl',18],['tom','boy',20],['lily','girl',21]]; $arr[3][2] = ____________",{"answer":49,"createTime":20,"id":50,"options":51,"question":56,"source":28,"type":29},[],103050911,[52,53,54,55],"$_REQUEST[]","$_POST[]","$_GET[]","$_SERVER[]","下列哪个数组不可以用来获取表单元素的值? ( )",{"answer":58,"createTime":20,"id":59,"options":60,"question":65,"source":28,"type":29},[],103050912,[61,62,63,64],"array_reverse()","array_search()","array_shift()","array_slice()","下面哪个函数可以用来得到顺序相反的数组",{"answer":67,"createTime":20,"id":68,"options":69,"question":74,"source":28,"type":29},[],103050913,[70,71,72,73],"$arr[0]","$arr[' one' ]","$arr[0] [' one' ]","$arr[' one' ] [0]","对于下列代码, 输出结果为a的选项是( ) $arr =array(array(' one' =>' a' , ' two' =>' b' ) )",{"answer":76,"createTime":20,"id":77,"options":78,"question":83,"source":28,"type":29},[],103050914,[79,80,81,82],"$pageno=isset($_GET[' pageno' ] ) $_GET[' pageno' ] : 1","$pageno=isset($_GET[' pageno' ] ) ?$_GET[' pageno' ] : 1","$pageno=isset($_GET[' pageno' ] ) ?1: $_GET[' pageno' ]","$pageno=isset($_GET[' pageno' ] ) ?$_GET[' pageno' ] | | 1","若$_GET[' pageno' ] 存在, 则将其中的值送给变量$pageno, 否则把1送给变量 $pageno, 实现该功能的代码是",{"answer":85,"createTime":20,"id":86,"options":87,"question":92,"source":28,"type":29},[],103050915,[88,89,90,91],"0","2","6","7","关于数组的定义, 阅读下列代码, 选出$arr数组中元素值为' cc' 的下标( ) . $arr = array(5=>' aa' , ' k' =>' bb' , ' cc' )",{"answer":94,"createTime":20,"id":95,"options":96,"question":101,"source":28,"type":29},[],103050916,[97,98,99,100],"count","length","strlen","counter","在php文件中获取数组元素个数的函数是________",{"answer":103,"createTime":20,"id":104,"options":105,"question":110,"source":28,"type":29},[],103050917,[106,107,108,109],"false","true","null","空","<?php $array = array(' a' , ' b' , ' c' , ' d' ) ; $res = in_array(' d' , $array) ; echo $res; ?>"]