Some introductions to php array functions

What is the function of php array_shift() function? The array_shift() function in php deletes the first element in the array and returns the value of the deleted element. This article introduces the usage and definition of the php array_shift() function in detail. If you are interested, you can take a look. I hope it will be helpful to everyone. Definition and Usage The array_shift() function deletes the first element in the array and returns the value of the deleted element, or NULL if the array is empty. . If the key name is numeric, all elements will get new key names, starting from 0 and incrementing by 1 (refer to the code in Example 2 below), and the literal key values ​​will remain unchanged. Syntax array_shift(array) parameter array is the specified array and must be specified. Example 1 uses the php array_shift() function to delete the first element in the $stack array and return the deleted element. 1. Detailed explanation of the php array_shift() function: deleting the first element in the array Introduction: What is the role of the php array_shift() function?  

1. Detailed introduction about array_shift

Introduction: What is the function of php array_shift() function? The array_shift() function in php deletes the first element in the array and returns the value of the deleted element. This article introduces the usage and definition of the php array_shift() function in detail. If you are interested, you can take a look. I hope it will be helpful to everyone. Definition and Usage The array_shift() function deletes the first element in the array and returns the value of the deleted element, or NULL if the array is empty. .

2. php array_push() function usage summary

##Introduction: The php array_push() function 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. It is a type of array function. This article collects There are several articles about array functions. Each article uses examples to explain array functions in detail. I hope it will be helpful to everyone's understanding of array functions.

3. php array_pop() function deletes the last element in the array instance detailed explanation

Introduction: The array_pop() function is one of the PHP Array array functions. Its function is to delete the last element in the array (pop it off the stack). PS: Stack, also known as stack, is a linear table with limited operations. The restriction is that insertion and deletion operations are only allowed at one end of the table. This end is called the top of the stack, and the other end is called the bottom. Inserting a new element into a stack is also called pushing, pushing or pushing. It is to put the new element on top of the top element of the stack to make it the new top element of the stack; deleting elements from a stack is also called popping or pushing. Pop off the stack, which deletes the top element of the stack and makes its adjacent elements the new top element of the stack.

4. Detailed explanation of php array_shift() function: delete the first element in the array

Introduction: What is the function of php array_shift() function? The array_shift() function in php deletes the first element in the array and returns the value of the deleted element. This article introduces the usage and definition of the php array_shift() function in detail. If you are interested, you can take a look. I hope it will be helpful to everyone.

5. Detailed explanation of usage examples of array_push(), array_pop() and array_shift() functions in php

Introduction: The php 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. The array_pop() function removes the last element from an array. The array_shift() function deletes the first element in the array and returns the value of the deleted element. This article will introduce these three functions to you respectively, hoping to help you learn array functions.

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