PHP Archives - Page 53 of 59

What is the best collation to use for MySQL with PHP? [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be ...

April 22, 2022
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Remove the last character from a string [duplicate]

This question already has answers here: How do I remove all specific characters at the end of a string in PHP? (9 answers) ...

April 22, 2022
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Get first key in a (possibly) associative array?

What’s the best way to determine the first key in a possibly associative array? My first thought it to just foreach the array ...

April 21, 2022
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How do I implement basic “Long Polling”?

I can find lots of information on how Long Polling works (For example, this, and this), but no simple examples of how to ...

April 21, 2022
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How to get a file’s extension in PHP?

This is a question you can read everywhere on the web with various answers: $ext = end(explode('.', $filename)); $ext = substr(strrchr($filename, '.'), 1); ...

April 20, 2022
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How to fix “Headers already sent” error in PHP

This question’s answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. ...

April 20, 2022
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How do I convert a string to a number in PHP?

I want to convert these types of values, '3', '2.34', '0.234343', etc. to a number. In JavaScript we can use Number(), but is ...

April 20, 2022
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How to check if PHP array is associative or sequential?

PHP treats all arrays as associative, so there aren’t any built in functions. Can anyone recommend a fairly efficient way to check if ...

April 19, 2022
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What is the difference between single-quoted and double-quoted strings in PHP?

I’m a little confused why I see some code in PHP with string placed in single quotes and sometimes in double quotes. I ...

April 18, 2022
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What is thread safe or non-thread safe in PHP?

I saw different binaries for PHP, like non-thread or thread safe? What does this mean? What is the difference between these packages? 4 ...

April 18, 2022
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