How to update code that uses the deprecated each() function

With PHP7.2, the each function has been deprecated. The documentation mentions: Warning Starting with PHP7.2.0, this function has been deprecated. Reliance on this function is strongly discouraged. How can I update my code to avoid using it? Here are some examples: $ar=$o->me;reset($ar);list(...

P粉883223328 2023-08-22 11:44:11 0  2  689

function function function

The teacher told me where to find the functions provided by WeChat?

小李飞刀 2018-05-14 21:27:13 0  2  1174

Calling a function without using print(function()) format? ?

Calling a function without using print(function()) format? ? Can direct functions (parameters) be used?

力 2020-07-23 00:07:01 0  1  1320

How can a function within a function call a variable of the parent function?

var_dump(function_exists('b')); // false function a(){     $var = 123;     function b(){      &nb

喵~ 2022-12-05 19:48:12 0  0  633

javascript - Questions about function closures and passing functions as parameters

1. Description: I want to get a function array result. First, the func function adds an anonymous function to the array result (each anonymous function saves its own num). But I pass in the anonymous function after return with parameters, which is equivalent to just It's just a replacement, why are ...

世界只因有你 2017-06-26 10:50:31 0  3  835

mysqli function

When using mysqli_num_rows() and other functions in the TP5.1 framework, an error will be reported. Can these functions not be used on TP?

林瑞程 2019-09-07 21:00:50 0  5  1389

javascript - Problem with function parameter default value being function in ES6?

I have a lot of confusion about the situation where the default value of a function parameter is a function, such as {code...} According to Ruan Yifeng's es6 introduction, I know that if the function parameter is a default value, there will be a block-level scope wrapping the parameter first, and af...

阿神 2017-07-05 11:09:13 0  4  1327

javascript - What is the difference between a callback function and a normal calling function?

The definition of a callback function is to pass function b as a parameter to a for execution. At this time, b is the callback function. I suddenly have a question, what is the difference between it and calling b directly in function a? I wrote a demo myself {code...} It takes about 3 seconds to see...

欧阳克 2017-06-26 10:53:07 0  2  1422

functionunset()

The tutorial says: 3. Use the function unset() to destroy the variable, but the code demonstration uses var_dump(); are unset() and var_dump() the same function? Address: //m.sbmmt.com /code/985.html

Rebecca 2022-10-19 11:04:45 0  1  1478

PHP nested function and anonymous function scope issues

{Code...} All functions and classes in PHP have global scope and can be defined within a function and called outside it, and vice versa. Why can function b obtain the local variables of function a by passing parameters? {Code...} Similarly, why does the anonymous function also obtain external variab...

phpcn_u1582 2017-05-18 10:45:34 0  1  640

javascript - What is the difference between a line of code placed inside a function and outside a function?

//Inside function {code...} //Outside function {code...} Why?

我想大声告诉你 2017-06-28 09:22:31 0  1  773

javascript - How does the callback function access the value under the current function?

I defined an array variable in the function, which contains 6 elements, and then called the callback function in the function. The value of the array variable cannot be accessed in the callback function, but the length attribute can be accessed. I feel very confused and don't know how to solve it. {...

大家讲道理 2017-05-16 13:35:48 0  4  567

javascript - Encapsulate the repeated parts of these two functions into one function?

{Code...} The two functions are very similar (repeated). How to encapsulate the repeated parts of these two functions into one function?

大家讲道理 2017-05-19 10:09:46 0  3  647

There is no main function in javascript

There is no main function in javascript. The main function is often used in Java and C languages. It is also called the main function and is required to have a return value. Returning 0 means that the program is successfully executed normally, and returning a non-0 value means that the program ends ...

手机用户757625696 2022-04-06 13:51:04 0  0  1180

Using JavaScript function calls

I want to call a JS function from Swift and I want to get the result of the JS in Swift. I have a lot of functions that need to be called from Swift. These functions may or may not contain parameters. You also need to include a closure for the result.

P粉118698740 2023-08-15 17:25:19 0  1  554

Why are the callback functions in my nested functions not working?

I'm using Socket.io's callback function like this: loadData(callback){varclient=newSyncClient(this.socket,this.project);this.client=client;//from my data function client.on("connected ",()=>{this.values=client.getData();callback(

P粉957661544 2024-03-19 20:32:38 0  1  405

PHP substr() function

How to understand the usage of PHP substr() function: If the start parameter is a negative number and length is less than or equal to start, then length is 0. This sentence

ringa_lee 2017-05-24 11:30:51 0  2  806

function

If you declare a function say(); and then var a = say; is the address or value of say passed to a at this time?

巅峰之前 2019-09-17 09:35:44 0  2  1282

vim shortcut key to delete function

Does anyone know how to quickly delete the entire function in vim (C and js functions, anyway, it’s curly braces {})? V selects multiple lines to delete or counts the number of lines in the function and then Ndd, which is not convenient when the function is very long.

天蓬老师 2017-05-16 16:36:33 0  1  682