php array_push() function

The array_push() function in php adds one or more elements (to the stack) to the end of the array of the first parameter, and then returns the length of the new array. This article introduces the syntax of the php array_push() function and some small examples. Let’s take a look.

#php array_push() function?

The array_push() function in php adds one or more elements (to the stack) to the end of the array of the first parameter, and then returns the length of the new array. (Push: stack (stack), also known as stack, is a linear list with limited operations. Its restriction is that only insertion and deletion operations are allowed at one end of the list. This end is called the top of the stack. Relatively speaking, The other end is called the bottom of the stack. Inserting a new element into a stack is also called pushing, pushing or pushing. It puts the new element on top of the top element of the stack to make it the new top element; from a stack Deleting elements is also called popping or popping off the stack. It deletes the top element of the stack and makes its adjacent elements become new top elements of the stack.) This article introduces the syntax of the php array_push() function and some small examples. , let’s take a look together.

Definition and usage

array_push() function adds one or more elements (push) to the end of the array of the first parameter, and then returns the length of the new array .

array_push ( array &$array , mixed $value1 [, mixed $... ] ) : int

This function is equivalent to calling $array[] = $value multiple times.

Detailed explanation of syntax parameters

Parameters	Description
array	Required. Specifies an array.
value1	Required. Specifies the value to add.
value2	Optional. Specifies the value to add.

Example 1

Use the php array_push() function to insert "blue" and "yellow" at the end of the array. The code is as follows:

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

Code running results:

Example 2

Use the php array_push() function to add characters Add elements to the array of string key names. The code is as follows:

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

Code running result:

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