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Is PHP's count() function O(1) or O(n) for arrays?
Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved?
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Turn off deprecated errors in PHP 5.3
My server is running PHP 5.3 and my WordPress install is spitting these errors out on me, causing my session_start() to break.
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How to get current time in milliseconds in PHP?
...e in seconds since the Unix epoch accurate to the nearest microsecond (see PHP reference). It's actually very easy to test if you run the above code in a loop and display the milliseconds.
– laurent
Dec 18 '12 at 10:08
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Regular expression to match a word or its prefix
...r/cU5lC2/1
Matching any whole word on the commandline.
I'll be using the phpsh interactive shell on Ubuntu 12.10 to demonstrate the PCRE regex engine through the method known as preg_match
Start phpsh, put some content into a variable, match on word.
el@apollo:~/foo$ phpsh
php> $content1 = '...
How to use PHP OPCache?
PHP 5.5 has been released and it features a new code caching module called OPCache, but there doesn't appear to be any documentation for it.
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PHP random string generator
I'm trying to create a randomized string in PHP, and I get absolutely no output with this:
59 Answers
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In PHP what does it mean by a function being binary-safe?
In PHP what does it mean by a function being binary-safe ?
3 Answers
3
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Can HTML be embedded inside PHP “if” statement?
I would like to embed HTML inside a PHP if statement, if it's even possible, because I'm thinking the HTML would appear before the PHP if statement is executed.
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index.php not loading by default
I have just installed CentOS, Apache and PHP. When I visit my site http://example.com/myapp/ , it says "forbidden". By default it's not loading the index.php file.
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Accurate way to measure execution times of php scripts
I want to know how many milliseconds a PHP for-loop takes to execute.
14 Answers
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