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PHP variables in anonymous functions
I was playing around with anonymous functions in PHP and realized that they don't seem to reach variables outside of them.
Is there any way to get around this problem?
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How do I create a comma-separated list from an array in PHP?
...ut it's always a pain having to take off the final comma. Is there an easy PHP way of doing it?
12 Answers
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How to convert an image to base64 encoding?
...ts("/path/to/image.jpg");
// alternatively specify an URL, if PHP settings allow
$base64 = base64_encode($imagedata);
bear in mind that this will enlarge the data by 33%, and you'll have problems with files whose size exceed your memory_limit.
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Reset PHP Array Index
I have a PHP array that looks like this:
3 Answers
3
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How does Access-Control-Allow-Origin header work?
...ntrol-Allow-Origin is a CORS (Cross-Origin Resource Sharing) header.
When Site A tries to fetch content from Site B, Site B can send an Access-Control-Allow-Origin response header to tell the browser that the content of this page is accessible to certain origins. (An origin is a domain, plus a sch...
What's the best way to get the last element of an array without deleting it?
...nce. In this answer I will share my findings with you, benchmarked against PHP versions 5.6.38, 7.2.10 and 7.3.0RC1 (expected Dec 13 2018).
The options (<<option code>>s) I will test are:
option .1. $x = array_values(array_slice($array, -1))[0]; (as suggested by rolacja)
option .2. $x...
Get current URL with jQuery?
...
http://www.refulz.com:8082/index.php#tab2?foo=789
Property Result
------------------------------------------
host www.refulz.com:8082
hostname www.refulz.com
port 8082
protocol http:
pathname index.php
href http://www.refulz...
Windows batch: echo without new line
...eInitialize method contains a string literal that may not post well to the site. A remark is included that describes what the character sequence should be.
The :write and :writeVar methods are optimized such that only strings containing troublesome leading characters are written using my modified v...
Reset keys of array elements in php?
...s
foreach($input as &$val) {
$val = array_values($val);
}
http://php.net/array_values
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file_put_contents(meta/services.json): failed to open stream: Permission denied
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Suggestion from vsmoraes worked for me:
Laravel >= 5.4
php artisan cache:clear
chmod -R 777 storage/
composer dump-autoload
Laravel < 5.4
php artisan cache:clear
chmod -R 777 app/storage
composer dump-autoload
NOTE: DO NOT DO THIS ON ANY REMOTE SERVER (DEV OR PRODUCTIO...