PHP function extension_loaded() usage example, extensionloaded_PHP tutorial

PHP function extension_loaded() usage example, extensionloaded

The example in this article describes the usage of PHP function extension_loaded(). Share it with everyone for your reference. The specific analysis is as follows:

extension_loaded — Check if an extension has been loaded

For example:

Copy code The code is as follows:

if (!extension_loaded('gd')) {
If (!dl('gd.so')) {
exit;
}
}
?>

The above code determines whether to load the gd library extension.

Supplement:

How to check the enabled extension of PHP:

Command line cmd interface:

Input: php -m
The results are displayed as follows:

Copy code The code is as follows:

[PHP Modules]
bcmath
bz2
calendar
com_dotnet
ctype
curl
date
dom
filter
ftp
gd
hash
iconv
json
libxml
mbstring
mcrypt
mysql
mysqli
odbc
pcre
PDO
pdo_mysql
PDO_ODBC
pdo_sqlite
Reflection
session
SimpleXML
sockets
SPL
SQLite
standard
tokenizer
wddx
xml
xmlreader
xmlwriter
Zend Optimizer
zip

[Zend Modules]

I hope this article will be helpful to everyone’s PHP programming design.

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