下面的例子展示了一个定制函数的基本结构(参见本章文件中的functions_01.php): function sayHi() { echo 'Hi!'; } 简单地将sayHi();放入PHP 代码块中会导致 Hi!显示在屏幕上。这种类型的功能就像无人机:它总是执行相同的操作。为了让函数对环境做出响应,您需要将值作为参数传递给它们。 向函数传递值 假设...
As such, as one of several PHP 8.2 deprecations, usage of dynamic properties is now deprecated, with the exception of: stdClass and its subclasses (which is what json_decode() creates) Classes that define “__set()” (which will likely need to be coupled with “__get()” to be use...
PHP 8.2deprecates both#utf8_encode()andutf8_decode()functions. If you invoke them, you’ll see these deprecation notices: Deprecated:Functionutf8_encode()is deprecated Deprecated:Functionutf8_decode()is deprecated The RFC suggests usingPHP’s supported extensionslikembstring,iconv, andintlinstead. ...
PHP provides functions that allow to sort an array using a user-defined comparison function. The comparison function must return an integer greater than zero if first element is larger than second, less than zero if first element is smaller than second, or zero if both elements are equal: > ...
root@php8_tips_php7 [ /repo/ch06 ]# php php8_crypt_sha256.php PHP Deprecated: crypt(): Supplied salt is not valid for DES. Possible bug in provided salt format. in /repo/ch06/php8_crypt_sha256.php on line 7 Default : +xj31ZMTZzkVA SHA-256 : $5$rounds=1000$+x=+x=+x=+...
With PHP 8.1, the "mhash" extension is now formally deprecated, with scheduled removal in PHP 9.0. If you still rely on mhash, it's time to start migrating to the hash extension. Implicit Float to int Conversion PHP has allowed implicit coercion of float values to int values. When a flo...
Deprecated: Function create_function() is deprecated in /wp-content/themes/your-theme/functions/widgets/widget-categories.php on line 106 To fix, change this: add_action( 'widgets_init', create_function( '', 'return register_widget("Woo_Widget_AdSpace");' ), 1 ); ...
You should be looking out for deprecated or deleted functions, changed default values of function parameters, whether to use concat without parenthesis, whether to use match as a function name (since it has been reserved since PHP 8.0), etc. Expert tip from Juliette While testing, in your ...
function test($a = [], $b) {} // Deprecated function test(Foo $a = null, $b) {} // Allowed trait 中的别名引用必须要明确。下面例子在之前的版本中是会调用 T1::func() ,但在 PHP8 中会产生致命错误,需要显式地写明引用哪一个 trait 的 func() class X { use T1, T2 { func as ...
This function has been deprecated in favor of <function>date_sun_info</function>. </entry> </row> <row> <entry>8.0.0</entry> <entry>31 changes: 31 additions & 0 deletions 31 reference/datetime/functions/strptime.xml Original file line numberDiff line numberDiff line change @@ -7,6 ...