Remove CSS round border from iOS devices

Following CSS options must be enabled for your element:

element{
border-radius:0;
-webkit-appearance: none;
}

Linux: Find and replace text from file

sed -i 's/text-to-replace/text-new/g' destination-file-path

Linux: Find and remove file in one command

Navigate to folder, find the file and remove using the following command. It also asks for confirmation before removing:

cd /destination-folder-path && find -type f -name filename -exec rm -i {} \;

PHP - Get last element from array

//array is called here $arrayVariable

$lastElement=end($arrayVariable);

Example: 
If $arrayVariable=["apple","pear","peach","cherry"], the function above is to return cherry.