int array_push(array array, mixed var, [...]);array_push() treats array as a stack, and pushes the passed variables onto the end of array. The length of array increases by the number of variables pushed. Has the same effect as:
$array[] = $var;
repeated for each var.Returns the new number of elements in the array.
Example 1. array_push() example $stack = array(1, 2);
array_push($stack, "+", 3);
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See also: array_pop(), array_shift(), and array_unshift().
Note: This function was added in PHP 4.0.