PHP Tutorials

How to optimize the file write speed, according to the calculation of the sub-database table, each time the file is written in different locations, if there is 100w data, so the file IO is slow program speed Look at the code, ask the Great God for

Want to build an online compiler like Codepad.Code blocks such as PHP Ruby Python can be compiled online The starting idea is to install a PHP environment in CentOS PHP execution shell_exec ("Docker run-v" $ (PWD) ":/usr/src/app-w/usr/src/app

First, there is a function to write this. function exam(){ //从数据库获取数据。 $records = $aModel->where(['type' => 1])->get(); if(empty($records)) return false; $newRecord = $bModel->map(); foreach($records as $item){

Sometimes I know that this will not cause exception, but also to catch it? In some cases, the triggered error is fatal and is not caused by user action. In this way, even catch, but also die. So what's the point of catch this exception? However, I

This is a run PHP-FPM container, Debian Jessie Mirror, start command cron&&php-fpm start, I exec into the container, see there is no log,ps aux can see the crond process in run AH. And if I manually execute the command in cron, I can see the log and

Why does the prompt result after running is [Object Object],[object object] instead of specific data? The result should be this way. [{title: ' 3333333333333 '}, {title: ' 3333333333333 '}] And then I tried again. alert(obj.title)So hint undefined

strcmp ("2016-09-27", "2016-09-26") results are greater than 0, but can all the time formats be so compared? Reply content: strcmp ("2016-09-27", "2016-09-26") results are greater than 0, but can all the time formats be so compared? If your

Thanks to the HTTPS://SEGMENTFAULT.COM/Q/10 of SF Masters ... I have a single system that can print out a date for an hour, for example.2016-06-06 2016-06-05 2016-06-03 2016-06-01 In this formatAnd it can also show the total number of

Title, when I was looking at the psr-2 documentation, I found that "PHP files use the Unxi-style LF line break."We know Windows:crlf Unix:lf Mac:cr What happens if I use the LF line-wrapping code under Windows?There is one more question,

A destroy code in the Laravel public function destroy($id){ //....... $this->model->destroy($id); // ........} The following thinking about destroy, this method is for single deletion,But for multiple deletions, consider the

Use the Swoole_http_response method header,status,end to implement a jump The code is as follows public function redirect($url) { $this->header("Location", $url); $this->status(302); return $this->end(''); } But after

My host deployed Nginx, and started mapping to port 80, Then I pull a copy of the PHP7-FPM image into a new container and start mapping port 9,000:9,000, How can I make the host's nginx and the container in the PHP link? Hope to answer thank you. 10

Downloading Web pages in PHP is simple $url='https://segmentfault.com/q/1010000000149454'; $data=file_get_contents($url); $target=fopen('/tmp/test.html',"w"); fwrite($target, $data); fclose($target); The $url is

I wrote in my own PHP framework to implement a static page cache is the file cache, can you speed up the page loading speed? Reply content: I wrote in my own PHP framework to implement a static page cache is the file cache, can you speed up the

wx.request({ url: 'wxapp.php', data: { x: '12' , y: '34' }, header: { 'Content-Type': 'application/json' }, success: function(res) { console.log(res.data) }}) Php: $x,'y'=>$y];echo json_encode($z); When data: {

$id = $_POST['id'];$name = $_POST['name'];$address = $_POST['address'];$phonenumber = $_POST['phonenumber'];$image = $_POST['image'];//得到图片$imageBase64 = base64_decode($image);$host = $_SERVER['HTTP_HOST'];//获取主机IP$post =

$id = $_POST['id'];$name = $_POST['name'];$address = $_POST['address'];$phonenumber = $_POST['phonenumber'];$image = $_POST['image'];//得到图片$imageBase64 = base64_decode($image);$host = $_SERVER['HTTP_HOST'];//获取主机IP$post =

How to write good PHP code? Now I, basic all the requirements can be achieved, but the code is very messy, logic is not very good, how to improve? Reply content: How to write good PHP code? Now I, basic all the requirements can be achieved, but

PHP Version: PHP 5.4.16 thinkphp version: 3.2.3 Directly on the code: $data:Array( [area] => aa [brand] => bb [color] => cc [type] => 通勤车 [alerted_police] => 0 [status] => 0 [lost_time] => [info] => dd [email] =>

After creating the coupon, according to card_id to create a card coupon shelves, but click Back link into the card coupon shelves, display, each time is already picked up, what is the reason? (I'm sure the link is only I have received, before