What is the use of array_push in PHP?

array_push () is a PHP function that is used to add one or more elements onto the end of an array. The length of array increases by the number of variables pushed. Your added elements will always have numeric keys, even if the array itself has string keys. array_push (array, value1, value2, ...)

What is array_unshift in PHP?

The PHP’s array_unshift function is used to add elements to the beginning or staring of an array. As with PHP array_push, pass the array first, followed by any number of elements you would like to add to the array. Arrays with numeric indexes have those indexes re-numbered starting from 0 (zero).

Does array_push check if a variable is an array first?

Empy bracket doesn't check if a variable is an array first as array_push does. If array_push finds that a variable isn't an array it prints a Warning message if E_ALL error reporting is on. So array_push is safer than , until further this is changed by the PHP developers.

How to push an array of elements into a target array in PHP?

This example uses the PHP array_push () function to push an array of elements into a target array. The array_push function is useful if there is a requirement to push elements later after the alignment. If you want to push the elements at an assignment level the following code shows the way to do it.