Page 44-PHP7 Programming Tutorials: Learn PHP7 Online-php.cn

Article Tags

Home

Technical Articles

Backend Development

PHP7

How to disable Xdebug in PHP7

How to disable Xdebug in PHP: first enter the PHP installation directory; then find "/usr/local/php/php.d/xdebug.ini"; then comment out the statements in "xdebug.ini"; finally save and exit.

Aug 01, 2020 am 10:14 AM

PHP7 Xdebug

Notes on session_start in PHP7!

Notes on session_start in PHP7 will cause the browser page not to update! Precautions for using session_start in PHP7. Close the session storage file immediately after reading the session data // After enabling it, when the browser refreshes, the page will no longer request the server to refresh. You can only use...

Jul 25, 2020 pm 04:05 PM

session_start

How to install php7 under Linux

How to install php7 under Linux: first install the dependency package, and download and decompress the installation package; then check the dependencies of the environment, compile and install; then rename [php.ini-production] to [php.ini]; finally copy the startup script , and start PHP.

Jul 24, 2020 am 10:56 AM

linux 安装php7

What is the usage of php7 use

PHP use means that you can use a use in PHP to import classes, functions and constants from the same namespace. The usage statement is "use some\namespace\ClassA; use some\namespace\ClassB;".

Jul 23, 2020 am 09:32 AM

php7 use

How to install php7 with one click

If you want to install php7 with one click, you can download the phpStudy V8 tool, because phpStudy is a program integration package for PHP debugging environment, and phpStudy V8 Win64 and 32-bit support the coexistence of multiple versions of PHP.

Jul 22, 2020 am 10:03 AM

php7

Solution to the error 'make: *** [sapi/cli/php]Error1' when installing PHP7.3.7

The cause of the problem was that configure was normal during the compilation and installation of PHP 7.3.7, but it kept prompting "make: * [sapi/cli/php] Error 1" when making. It took me a long time to find the solution, so I thought of recording it in here...

Jul 20, 2020 pm 02:04 PM

PHP7.3.7

Let's take a look at the detailed explanation and examples of golang calling php7

This article mainly introduces the detailed explanation and examples of golang calling php7. Friends in need can refer to it.

Jul 18, 2020 pm 05:32 PM

golang 调用 php7

How to use xhprof to test php performance in php7? (Method introduction)

PHP's xhprof extension is no longer updated and maintained by Facebook because Facebook has fully used HHVM and no longer uses the PHP zend engine. xhprof does not support the new version of PHP (PHP7). The tideways extension is forked from the xhprof project and continues to be maintained.

Jul 15, 2020 pm 05:11 PM

PHP7 xhprof php性能

Do you know what causes php7 to be faster than 5?

Reasons for performance improvement? 1. The structure that stores variables becomes smaller. Try to make the members of the structure share memory space and reduce references. This way the memory usage is reduced and the operation speed of variables is improved. 2. Changes to the string structure. The string information and data itself were originally stored in two independent memory blocks. PHP7 tries to store them in the same memory block, which improves the CPU cache hit rate. 3. Changes in the array structure. Array elements and hash mapping tables will be stored in multiple memory blocks in php5. php7 tries to allocate them in the same memory block, reducing memory usage,..._Why is php7 faster than 5?

Jul 14, 2020 pm 01:18 PM

php7

Linux source code installation php7.2.0

Source code package download address https://pan.baidu.com/s/1bpi4D9l2. Unzip the php compressed package: tar –zxvf php-7.2.0.tar.gz3. Enter the decompressed file: cd php7.2.04. What is needed to install php Extend yum install libxml2 libxml2-devel openssl opens...

Jul 08, 2020 pm 01:52 PM

linux php php7.2.0

Detailed explanation of how to install php7 on centos yum

How to install php7 on centos yum: first upgrade the yum warehouse package to the rpm package of PHP7; then use the yum command to install basic PHP components; then install "PHP-fpm" and start "php-fpm"; finally check the version to detect whether Successful installation.

Jul 08, 2020 am 10:58 AM

php7 centos yum

How to completely delete PHP7.0 from Ubuntu

How to completely delete PHP in Ubuntu: first delete the relevant packages and configurations of PHP through the command "sudo apt-get autoremove php7*"; then delete the association; then clear the dept list; and finally check whether the uninstall is clean.

Jul 08, 2020 am 10:45 AM

Ubuntu PHP7.0

What optimizations have been made at the bottom of PHP7?

The optimizations made at the bottom of PHP7 include: 1. Optimization of the ZVAL structure, reducing the occupancy from 24 bytes to 16 bytes; 2. The internal type "zend_string", the structure member variables use "char" arrays, not "char*" "; 3. PHP array implementation changes from hashtable to zend and so on.

Jul 02, 2020 am 10:35 AM

PHP7

Example analysis of the difference between '??' and '?:' introduced in PHP7

The difference between "??" and "?" introduced in PHP7 is: [$a ?? 0] is equivalent to [isset($a) ? $a : 0]; 2. [$a ?: 0] is equivalent to [$a ? $a : 0].

Jun 29, 2020 pm 06:07 PM

php ??