How to use php array_push function?

php The array_push function is used to insert one or more elements to the end of the array. Its syntax is array_push(array, value1, value2...). The parameter array is required and refers to specifying an array; value1 is required and refers to specifying the elements to be added. value.

#php array_push function how to use?

Definition and usage

array_push() function inserts one or more elements to the end of the array.

Tip: You can add one or more values.

Note: Even if your array has string keys, the elements you add will have numeric keys (see example below).

Syntax

array_push(array,value1,value2...)

Parameters

array Required. Specifies an array.

value1 Required. Specifies the value to add.

value2 Optional. Specifies the value to add.

Return value: Returns the number of elements of the new array.

PHP Version: 4

Example 1

Array with string key names:

<?php
$a=array("a"=>"red","b"=>"green");
array_push($a,"blue","yellow");
print_r($a);
?>

Output ：

Array ( [a] => red [b] => green [0] => blue [1] => yellow )

Example 2

Insert "blue" and "yellow" to the end of the array:

<?php
$a=array("red","green");
array_push($a,"blue","yellow");
print_r($a);
?>

Output:

Array ( [0] => red [1] => green [2] => blue [3] => yellow )

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