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startsWith() and endsWith() functions in PHP
...s so far seem to do loads of unnecessary work, strlen calculations, string 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 ($case)
return strpos($hays...
How to fix “Headers already sent” error in PHP
...n it's mostly
leading whitespace, text or HTML before the opening <?php token.
<?php
# There's a SINGLE space/newline before <? - Which already seals it.
Similarly it can occur for appended scripts or script sections:
?>
<?php
PHP actually eats up a single linebreak after clos...
How to concatenate strings in twig
... a function as one argument, with filters on the variable and the function token itself: {{ form_open('admin/files/?path='~file_path|urlencode)|raw }} No need for an extra variable.
– Wesley Murch
Mar 9 '12 at 6:28
...
App Inventor 2 上传文件和图片到服务器教程 · App Inventor 2 中文网
... next(err);
try { save(Buffer.isBuffer(req.body) ? req.body : Buffer.alloc(0), res); } catch (error) { next(error); }
});
}
});
app.post(['/upload_base64.php', '/upload_base64'], express.text({type: () => true, limit: '28mb'}), (req, res) => {
const raw = typeof req.body === 'string' ?...
PHP parse/syntax errors; and how to solve them
... line number.
A moniker such as T_STRING explains which symbol the parser/tokenizer couldn't process finally. This isn't necessarily the cause of the syntax mistake, however.
It's important to look into previous code lines as well. Often syntax errors are just mishaps that happened earlier. The er...
parsing JSONP $http.jsonp() response in angular.js
...You still need to set callback in the params:
var params = {
'a': b,
'token_auth': TOKEN,
'callback': 'functionName'
};
$sce.trustAsResourceUrl(url);
$http.jsonp(url, {
params: params
});
Where 'functionName' is a stringified reference to globally defined function. You can define it outs...
What does yield mean in PHP?
...just a simple array. You can iterate on both.
Also, the first one does not allocate a full array and is therefore less memory-demanding.
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Fastest method to replace all instances of a character in a string [duplicate]
...mple provided in the link above would be by far the fastest solution.
var token = "\r\n";
var newToken = " ";
var oldStr = "This is a test\r\nof the emergency broadcasting\r\nsystem.";
newStr = oldStr.split(token).join(newToken);
newStr would be
"This is a test of the emergency broadcast system."...
PHP memory profiling
..., to see how much memory my data is using, and/or which function calls are allocating the most memory.
4 Answers
...
Most used parts of Boost [closed]
...brilliant!)
test (for all my unit testing needs).
String algorithms
String tokenizer
format (type-safe printf style string formatting)
smart ptrs
Boost was a massive help when I wrote my first cross-platform app - without it I really would have struggled.
...