大约有 30,000 项符合查询结果（耗时：0.0246秒） [XML]
New self vs. new static
I am converting a m>PHP m> 5.3 library to work on m>PHP m> 5.2. The main thing standing in my way is the use of late static binding like return new static($options); , if I convert this to return new self($options) will I get the same results?
...
SQL command to display history of queries
...
You can see the history from ~/.mysql_history. However the content of the file is encoded by wctomb. To view the content:
shell> cat ~/.mysql_history | python2.7 -c "import sys; print(''.join([l.decode('unicode-escape') for l in sys.stdin]))"
Source:Check MySQL query history fro...
Convert Base64 string to an image file? [duplicate]
...
The problem is that data:image/png;base64, is included in the encoded contents. This will result in invalid image data when the base64 function decodes it. Remove that data in the function before decoding the string, like so.
function base64_to_jpeg($base64_string, $output_file) {
// open ...
Remove empty array elements
...ments that are i.e. m>ex m>act string '0', you will need a custom callback:
// m>PHP m> 7.4 and later
print_r(array_filter($linksArray, fn($value) => !is_null($value) && $value !== ''));
// m>PHP m> 5.3 and later
print_r(array_filter($linksArray, function($value) { return !is_null($value) && $...
Converting an integer to a string in m>PHP m>
Is there a way to convert an integer to a string in m>PHP m>?
14 Answers
14
...
Get names of all keys in the collection
...er as inspiration, I created an open source tool called Variety which does m>ex m>actly this: https://github.com/variety/variety
share
|
improve this answer
|
follow
...
Find out HTTP method in m>PHP m> [duplicate]
...e superglobals alternatives (Is using superglobals directly good or bad in m>PHP m>? and similar questions), one may instead use automatic sanitizing
filter_input( \INPUT_SERVER, 'REQUEST_METHOD', \FILTER_SANITIZE_SPECIAL_CHARS )
(you might of course use other filter, eg. FILTER_SANITIZE_STRING - see ...
m>PHP m>中的错误处理 - 更多技术 - 清泛网 - 专注C/C++及内核技术
m>php m> each与list的用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
m>PHP m>的函数前加上“@”的作用 - m>PHP m> - 清泛IT论坛，有思想、有深度
@是m>PHP m>提供的错误信息屏蔽的专用符号。
比如在一个函数前使用@
@mysql_query 不会出现Warning，
而原来mysql_query 在遇到错误时会在页面上访提示Warning。