大约有 31,000 项符合查询结果（耗时：0.0281秒） [XML]
Compare floats in php
I want to compare two floats in PHP, like in this sample code:
16 Answers
16
...
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
14
...
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
What is the difference between HTTP_HOST and SERVER_NAME in PHP?
10 Answers
10
...
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 = '...
Escaping single quote in PHP when inserting into MySQL [duplicate]
...se strings (in both snippets) with mysql_real_escape_string().
http://us3.php.net/mysql-real-escape-string
The reason your two queries are behaving differently is likely because you have magic_quotes_gpc turned on (which you should know is a bad idea). This means that strings gathered from $_GET,...
PHP: How to check if image file exists?
...ted. And then, it will only work when allow_url_fopen is activated in your PHP config
share
|
improve this answer
|
follow
|
...
List of Big-O for PHP functions
After using PHP for a while now, I've noticed that not all built-in PHP functions are as fast as expected. Consider these two possible implementations of a function that finds if a number is prime using a cached array of primes.
...
Why, Fatal error: Class 'PHPUnit_Framework_TestCase' not found in …?
Why I'm getting this PHP error?
13 Answers
13
...
PHP how to get local IP of system
I need to get local IP of computer like 192.*....
Is this possible with PHP?
16 Answers
...
How to convert string to boolean php
...uate to boolean true unless they have a value that's considered "empty" by PHP (taken from the documentation for empty):
"" (an empty string);
"0" (0 as a string)
If you need to set a boolean based on the text value of a string, then you'll need to check for the presence or otherwise of that val...