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startsWith() and endsWith() functions in PHP
...allocations (substr), etc. The 'strpos' and 'stripos' functions return the index of the first occurrence of $needle in $haystack:
function startsWith($haystack,$needle,$case=true)
{
if ($case)
return strpos($haystack, $needle, 0) === 0;
return stripos($haystack, $needle, 0) === 0;
...
Objective-C categories in static library
...ical Q&A QA1490 https://developer.apple.com/library/content/qa/qa1490/_index.html):
Objective-C does not define linker
symbols for each function (or method,
in Objective-C) - instead, linker
symbols are only generated for each
class. If you extend a pre-existing
class with categories, the linke...
How can I match multiple occurrences with a regex in JavaScript similar to PHP's preg_match_all()?
... global modifier with /g otherwise running exec() won't change the current index and will loop forever.
– Aram Kocharyan
Jan 16 '14 at 3:14
...
Can I extend a class using more than 1 class in PHP?
...
Answering your edit :
If you really want to fake multiple inheritance, you can use the magic function __call().
This is ugly though it works from class A user's point of view :
class B {
public function method_from_b($s) {
echo $s;
}
}
c...
How to resolve “must be an instance of string, string given” prior to PHP 7?
... supposed to work to begin with. Given the dynamic typing system, this actually makes some sort of perverted sense.
You can only manually "type hint" scalar types:
function foo($string) {
if (!is_string($string)) {
trigger_error('No, you fool!');
return;
}
...
}
...
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
...T is obtained from the HTTP request header and this is what the client actually used as "target host" of the request. The SERVER_NAME is defined in server config. Which one to use depends on what you need it for. You should now however realize that the one is a client-controlled value which may thus...
How can javascript upload a blob?
...
To do basically $('input[type=file]').value=blob
– William Entriken
Aug 9 '13 at 21:36
14
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Which $_SERVER variables are safe?
...ttacker can also control and is therefore a source of an attack. This is called a "tainted" variable, and is unsafe.
2 An...
PHP foreach loop key value
...
foreach($shipmentarr as $index=>$val){
$additionalService = array();
foreach($additionalService[$index] as $key => $value) {
array_push($additionalService,$value);
}
}
...
How to call a PHP function on the click of a button
I have created a page called functioncalling.php that contains two buttons, Submit and Insert .
12 Answers
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