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Why does JQuery have dollar signs everywhere?
...ring your using noConflict (more below)
var divs = $("div"); // Find all divs
var divs = jQuery("div"); // Also find all divs, because
console.log($ === jQuery); // "true"
If you don't want to use the alias, you don't have to. And if you want $ to not be an alias for jQuery, you can use noC...
PHP memory profiling
...r example, to see how much memory my data is using, and/or which function calls are allocating the most memory.
4 Answers
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How to pop an alert message box using PHP?
... send to the client's browser. PHP is a server-side language. This is what allows it do things like INSERT something into a database on the server.
But an alert is rendered by the browser of the client. You would have to work through javascript to get an alert.
...
Can linux cat command be used for writing text to file?
...text file:
cat > output.txt <<EOF
some text
some lines
EOF
For PHP file:
cat > test.php <<PHP
<?php
echo "Test";
echo \$var;
?>
PHP
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How do I match any character across multiple lines in a regular expression?
...P it is:
/(.*)<FooBar>/s
The s at the end causes the dot to match all characters including newlines.
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GCM with PHP (Google Cloud Messaging)
...
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($post));
// Actually send the request
$result = curl_exec($ch);
// Handle errors
if (curl_errno($ch)) {
echo 'GCM error: ' . curl_error($ch);
}
// Close curl handle
curl_close($ch);
// Debug GCM res...
How does PHP 'foreach' actually work?
...r the simplest case is Traversable objects, as for these foreach is essentially only syntax sugar for code along these lines:
foreach ($it as $k => $v) { /* ... */ }
/* translates to: */
if ($it instanceof IteratorAggregate) {
$it = $it->getIterator();
}
for ($it->rewind(); $it->v...
What Are the Differences Between PSR-0 and PSR-4?
...in src/Acme/Foo/Bar.php while in PSR-4 it will look for it in src/Bar.php, allowing for shorter directory structures. On the other hand some prefer to have the full directory structure to clearly see what is in which namespace, so you can also say that Acme\Foo\ is in src/Acme/Foo with PSR-4 which w...
What are the Differences Between “php artisan dump-autoload” and “composer dump-autoload”?
...it different:
1) It will in fact use Composer for some stuff
2) It will call Composer with the optimize flag
3) It will 'recompile' loads of files creating the huge bootstrap/compiled.php
4) And also will find all of your Workbench packages and composer dump-autoload them, one by one.
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How to send an email using PHP?
...d also use PHPMailer class at https://github.com/PHPMailer/PHPMailer .
It allows you to use the mail function or use an smtp server transparently. It also handles HTML based emails and attachments so you don't have to write your own implementation.
The class is stable and it is used by many other ...