Php Array Function: array_push()

When we want to insert element in an array then we can use array_push() function.

php array_push() function insert one or more elements to the end of an array

array_push() will always insert into numeric keys whenever you have string keys array

Ex 1. Numeric keys array

$arr = ['cat','dog'];

array_push($arr,'cow','monkey');

print_r($arr);

Output:

Array ( [0] => cat [1] => dog [2] => cow [3] => monkey)

Ex 2. String keys array

$arr = ['a'=>'cat','b'=>'dog'];

array_push($arr,'cow','monkey');

print_r($arr);

Output:

Array ( [a] => cat [b] => dog [0] => cow [1] => monkey)

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