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How do I remove all specific characters at the end of a string in PHP?
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$output = rtrim($string, '.');
(Reference: rtrim on PHP.net)
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How can I sanitize user input with PHP?
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It's a common misconception that user input can be filtered. PHP even has a (now deprecated) "feature", called magic-quotes, that builds on this idea. It's nonsense. Forget about filtering (or cleaning, or whatever people call it).
What you should do, to avoid problems, is quite simpl...
Format a number as 2.5K if a thousand or more, otherwise 900
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How do I inset a php variable inside here and use it? i.e. if my number variable is $mynumber_output where do I insert this to use it? For example, say $mynumber_output = 12846, I would like 12846 converted to 12.8k
– us...
int a[] = {1,2,}; Weird comma allowed. Any particular reason?
...r a = [1, 2,];, so do most other languages I know... ActionScript, Python, PHP.
– Sean Fujiwara
Aug 14 '11 at 3:43
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How do I install imagemagick with homebrew?
...nough to brew install Imagemagick. You have to also PECL install it so the PHP module is loaded.
From this SO answer:
brew install php
brew install imagemagick
brew install pkg-config
pecl install imagick
And you may need to sudo apachectl restart. Then check your phpinfo() within a simple php s...
How do you manage databases in development, test, and production?
...on is readable also at http://martinfowler.com/articles/evodb.html
In one PHP+MySQL project I've had the database revision number stored in the database, and when the program connects to the database, it will first check the revision. If the program requires a different revision, it will open a pag...
Delete directory with files in it?
...ainly useful for explode()ing a path taken from the OS. alanhogan.com/tips/php/directory-separator-not-necessary
– ReactiveRaven
Jul 16 '12 at 23:47
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Using str_replace so that it only acts on the first match?
...ormance', if performance were the primary concern, we would not be writing PHP! Something other than '/' could be used to wrap the pattern, perhaps '~', which would help avoid the escaping problem to some degree. It depends what the data is, and where it came from.
– ThomasReds...
How to get random value out of an array?
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Since PHP 7.1, array_rand() uses the Mersenne Twister generator: rand() aliased to mt_rand() and srand() aliased to mt_srand(). In practice it should now be good enough.
– Gras Double
Jun 29 '...
Is there a PHP function that can escape regex patterns before they are applied?
Is there a PHP function that can escape regex patterns before they are applied?
2 Answers
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