大约有 8,000 项符合查询结果（耗时：0.0197秒） [XML]
What is the use of the @ symbol in PHP?
...
It suppresses error messages — see Error Control Operators in the PHP manual.
share
|
improve this answer
|
follow
|
...
Check whether an array is empty [duplicate]
... You don't need to count the elements or use empty(). A one-liner like php -r 'echo array() ? "T":"F";' will show the truthiness for an empty or non-empty array.
– jerseyboy
May 16 '14 at 13:08
...
How can I parse a JSON file with PHP? [duplicate]
I tried to parse a JSON file using PHP. But I am stuck now.
16 Answers
16
...
Can you use if/else conditions in CSS?
... your stylesheet with your favourite server-side language. If you're using PHP, serve a style.css.php file, that looks something like this:
p {
background-position: <?php echo (@$_GET['foo'] == 'bar')? "150" : "4"; ?>px 8px;
}
In this case, you will however have a performance impact, sinc...
How to read if a checkbox is checked in PHP?
How to read if a checkbox is checked in PHP?
18 Answers
18
...
Regular expression \p{L} and \p{N}
...going to work with regular expressions a lot, I'd suggest bookmarking that site, it's very useful.
share
|
improve this answer
|
follow
|
...
New line in JavaScript alert box
...s to display special char like \n \t etc... in js alert box
for exemple in php script:
$string = 'Hello everybody \n this is an alert box';
echo "<script>alert(\"$string\")</script>";
But a second possible problem arrives when you want to display a string specified in double quoted.
...
Create or write/append in text file
...s:
$txt = "user id date";
$myfile = file_put_contents('logs.txt', $txt.PHP_EOL , FILE_APPEND | LOCK_EX);
share
|
improve this answer
|
follow
|
...
How to find the last day of the month from date?
How can I get the last day of the month in PHP?
28 Answers
28
...
How can I measure the speed of code written in PHP? [closed]
...ow three of those :
Webgrind ; web interface ; should work on any Apache+PHP server
WinCacheGrind ; only on windows
KCacheGrind ; probably only Linux and linux-like ; That's the one I prefer, btw
To get profiling files, you have to install and configure Xdebug ; take a look at the Profiling PHP...