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What does the variable $this mean in PHP?
I see the variable $this in PHP all the time and I have no idea what it's used for. I've never personally used it.
10 An...
Include CSS,javascript file in Yii Framework
...
Something like this:
<?php
$baseUrl = Yii::app()->baseUrl;
$cs = Yii::app()->getClientScript();
$cs->registerScriptFile($baseUrl.'/js/yourscript.js');
$cs->registerCssFile($baseUrl.'/css/yourcss.css');
?>
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How do I implement basic “Long Polling”?
...rror 404 (to show error handling in the coming Javascript example)
msgsrv.php
<?php
if(rand(1,3) == 1){
/* Fake an error */
header("HTTP/1.0 404 Not Found");
die();
}
/* Send a string after a random number of seconds (2-10) */
sleep(rand(2,10));
echo("Hi! Have a random number: " . ...
ZeroMQ的学习和研究（PHP代码实例） - C/C++ - 清泛网 - 专注C/C++及内核技术
ZeroMQ的学习和研究（PHP代码实例）ZeroMQ，史上最快的消息队列—– ZMQ的学习和研究一、ZeroMQ 的背景介绍 引用官方的说法： ZMQ (以下 ZeroMQ 简称 ZMQ)是一...ZeroMQ，史上最快的消息队列
—– ZMQ的学习和研究
一、ZeroMQ 的...
PHP Constants Containing Arrays?
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NOTE: while this is the accepted answer, it's worth noting that in PHP 5.6+ you can have const arrays - see Andrea Faulds' answer below.
You can also serialize your array and then put it into the constant:
# define constant, serialize array
define ("FRUITS", serialize (array ("apple", "che...
Null vs. False vs. 0 in PHP
...other good "nothing" entities.
What is the difference, specifically in PHP? Does it have something to do with === ?
1...
PHP Array to CSV
...SV($data); function array_to_CSV($data) { $outstream = fopen("php://output", 'r+'); fputcsv($outstream, $data, ',', '"'); rewind($outstream); $csv = fgets($outstream); fclose($outstream); return $csv; }
– JohnnyFaldo
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How to create an array for JSON using PHP?
From PHP code I want to create an json array:
10 Answers
10
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Cannot pass null argument when using type hinting
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PHP 7.1 or newer (released 2nd December 2016)
You can explicitly declare a variable to be null with this syntax
function foo(?Type $t) {
}
this will result in
$this->foo(new Type()); // ok
$this->foo(null); // ok
$...
The mysql extension is deprecated and will be removed in the future: use mysqli or PDO instead [dupl
When I attempt to connect to a MySQL server from PHP, I see the following error:
1 Answer
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