php二维数组查找

function find(array){
array);
array[0]);
for(j = array[j] == array[j] > j > 0){
array[j] < i < i++;
}else if( row-1 && i][target ){
return 0;
}else if(array[j] > $target){
return 0;
}
}
}

字符串空格替换

function replaceSpace(str_array = str_split(rstr = '';
foreach(s){
if(rstr .= '%20';
}else{
s;
}
}
return $rstr;
}