大约有 32,000 项符合查询结果(耗时:0.0279秒) [XML]
Why is === faster than == in PHP?
Why is === faster than == in PHP?
11 Answers
11
...
Get the first element of an array
... a array "copy" is needed:
array_shift(array_slice($array, 0, 1));
With PHP 5.4+ (but might cause an index error if empty):
array_values($array)[0];
share
|
improve this answer
|
...
JavaScript equivalent of PHP’s die
...
I think that if PHP has a "firebug" equivalent, it should also write "1 error" on die() ;-) Good answer!
– Adrian Maire
Apr 25 '13 at 14:04
...
How can I match multiple occurrences with a regex in JavaScript similar to PHP's preg_match_all()?
...
For capturing groups, I'm used to using preg_match_all in PHP and I've tried to replicate it's functionality here:
<script>
// Return all pattern matches with captured groups
RegExp.prototype.execAll = function(string) {
var match = null;
var matches = new Array();
...
HTTP redirect: 301 (permanent) vs. 302 (temporary)
... @BobStein-VisiBone for example of the 302 redirect: create a file old.php with the code <?php header("location: http://example.com/new.php"); ?> and file new.php - <?php echo 'I am new'; ?> and go to the link. There will redirect and display the text "I am new". Then replace the cod...
How to create user for a db in postgresql? [closed]
...ANT ALL PRIVILEGES ON DATABASE "test_database" to tester;
template1=# \q
PHP (as tested on localhost, it works as expected):
$connString = 'port=5432 dbname=test_database user=tester password=test_password';
$connHandler = pg_connect($connString);
echo 'Connected to '.pg_dbname($connHandler...
“Connection for controluser as defined in your configuration failed” with phpMyAdmin in XAMPP
...
Open phpMyAdmin in a browser and log in as root.
Create a database called phpmyadmin
Create a user called pma and set the "host" to the hostname or IP address of your web server (if the web server and MySQL are on the same box use...
In Laravel, the best way to pass different types of flash messages in the session
....
Follow these steps below:
Create a file: "app/Components/FlashMessages.php"
namespace App\Components;
trait FlashMessages
{
protected static function message($level = 'info', $message = null)
{
if (session()->has('messages')) {
$messages = session()->pull('messages'...
Javascript : Send JSON Object with Ajax?
...
With jQuery:
$.post("test.php", { json_string:JSON.stringify({name:"John", time:"2pm"}) });
Without jQuery:
var xmlhttp = new XMLHttpRequest(); // new HttpRequest instance
xmlhttp.open("POST", "/json-handler");
xmlhttp.setRequestHeader("Content-...
Why is AJAX returning HTTP status code 0?
... a cookie with a certain domain prefixed with www. When you then call your php script e.g. without the www. prefix in the url, the call will fail and viceversa, too.
share
|
improve this answer
...
