http://php.net/manual/en/function.array-unshift.php array_unshift($array, "Choose City"). or you can do it manually. ... <看更多>

Insert data into array in PHP - Learn PHP backend programming. Today we will learn how to insert data ... ... <看更多>

If key doesn't exist, value is appended to the end of the array. Raw. array-insert-after.php. ... <看更多>

If you are worried about modifying the array while looping, don't because foreach copies the array. ... the first dump foo and bar, the second foo and baz. ... <看更多>