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- The meaning of php7 type constraints
- Before php7, functions and class methods did not need to declare variable types, and any data could be passed and returned. As a result, almost most calling operations had to determine whether the returned data type was qualified. In order to solve this problem, php7 introduced types. statement.
- PHP7 2904 2023-02-17 13:04:02
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- How to install PHP 7.4 in CentOS 8/RHEL 8 system
- This article describes how to install PHP 7.4 in the CentOS 8/RHEL 8 operating system. PHP version 7.4.0RC1 has been released to developers and interested users for testing. Please note that PHP 7.4.0RC1 is not suitable for major deployments, and the expected official release date for GA is November 28, 2019.
- PHP7 5700 2023-02-17 13:02:01
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- PHP7 does not support curl vc15 version solution!
- The ultimate solution: 1. Remove the semicolon before extension=curl; 2. Place libssh2.dll in the php directory into the bin directory of the apache installation directory. 3. Restart apache ok, perfect solution.
- PHP7 3174 2023-02-17 13:00:02
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- ubuntu 16.04 + apache2 switch php7.1 to php7.3
- Background: When updating Ubuntu, you choose to keep the current PHP version, which results in multiple PHP versions appearing, and phpinfo displays php7.1. After checking with php -i, I found that many extensions cannot be opened.
- PHP7 2720 2023-02-17 12:58:01
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- PHP7 windows adds custom extensions and compiles PHP source code
- Determine the version that needs to be compiled, check PHPINFO, and determine the PHP version, VC version and PHP bit number. Download the corresponding Visual Studio or compiler according to the PHP VC version. The blogger's version in the picture below is VC15 and you need to download the Visual Studio 2017 version.
- PHP7 3506 2023-02-17 12:56:01
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- php7 cannot connect to mysql
- The reason why php7 cannot connect to mysql is: php7 abandoned the mysql_connect() function. Solution: 1. Add the php.ini file; 2. Remove the comment of the option extension; 3. Use PDO or mysqli to connect.
- PHP7 6057 2023-02-17 12:54:01
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- php5 upgrade php7 fails to connect to mysql database
- The solution to the failure of php5 to connect to mysql database when php7 is upgraded is: Since the mysql_connect() function used by php5 to connect to mysql has been abandoned in php7, the function mysqli_connect() needs to be used in php7 to connect to the mysql database.
- PHP7 4179 2023-02-17 12:52:01
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- What is the difference between php7 garbage collection and php5
- The difference between the garbage collection mechanisms of php7 and php5 is: the garbage collection mechanisms of PHP5 and PHP7 both belong to reference counting. However, in the algorithm processing of complex data types, the memory required by zval in PHP7 is no longer allocated separately from the heap. Store the reference count yourself.
- PHP7 3459 2023-02-17 12:50:01
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- How to install php7
- The installation method of php7 is: 1. Download the php7 decompressed file and rename the decompressed file to PHP7; 2. Copy php.ini-development and rename it to PHP.ini; 3. Modify the apache configuration file httpd.conf.
- PHP7 4471 2023-02-17 12:48:01
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- Why does php7 performance improve?
- The reasons for the performance improvement of php7 are: 1. The structure for storing variables becomes smaller; 2. The change of the string structure; 3. The change of the array structure; 4. The function calling mechanism is improved and the execution efficiency is improved.
- PHP7 3294 2023-02-17 12:46:02
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- Interview on the difference between php7 and php5
- The difference between php7 and php5 is: 1. The performance of php7 is twice that of php5; 2. Many fatal errors in php5 have been changed into exceptions in php7; 3. Compared with php5, php7 has removed some old SAPIs that are no longer supported. .
- PHP7 5274 2023-02-17 12:44:01
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- Differences between php versions
- The difference between various versions of PHP is: PHP5.3 adds a lot of new features, and also adds magic methods __invoke() and __callStatic(); zval in PHP7 uses stack memory, saving memory allocation.
- PHP7 9889 2023-02-17 12:42:02
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- Reasons for performance improvement of php7
- The reasons for the performance improvement of PHP7 are: 1. The structure for storing variables becomes smaller; 2. The change of the string structure; 3. The change of the array structure; 4. The function calling mechanism is improved and the execution efficiency is improved.
- PHP7 3720 2023-02-17 12:40:01
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- Summary of problems that occur when installing PHP7 on mac
- A few days ago, I ran workrman on a mac. Because workman needs to open multiple processes, multiple processes require the support of the pcntl extension. The php71 I installed with brew before did not have this extension, so I uninstalled php71 directly, and then I wanted to download the source code, compile and install php7. higher version.
- PHP7 4649 2023-02-17 12:38:02
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- Ubuntu16.04 PHP7 installation and Nginx PHP
- php7.0-fpm.sock has insufficient permissions; the webroot path is incorrect; install PHP7.
- PHP7 2785 2023-02-17 12:36:01
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