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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. It is a type of array function. This article collects several Regarding the articles about array functions, each article explains array functions in detail with examples. I hope it will be helpful to everyone's understanding of array functions.
1.Definition and usage of php array function array_push()
The array_push() function in php adds one or more to the end of the array of the first parameter element (pushed onto the stack) and 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.
array_push() Definition and Usage The 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. This function is equal to multiple times Call $array[] = $value. If you use array_push() to add a unit to the array, it is better to use $array[] =, because there is no additional burden of calling the function. array_push() will issue a warning if the first argument is not an array. This is different from the behavior of $var[], which creates a new array.
3.Detailed explanation of array_push(), array_pop() and array_shift() function usage examples in php
php The array_push function adds to the end of the array of the first parameter One or more elements (pushed onto the stack) and the length of the new array is returned. The array_pop() function removes the last element from an array. The array_shift() function deletes the
th 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.
4.Performance comparison between php array_push and $arr[]=$value
If you are pushing an element, using $arr[]=$value is more efficient. Because it saves the extra burden of calling functions. If multiple elements are pushed at the same time, using array_push is efficient because there is no need to repeatedly obtain the pointer to the end of the file.
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