大约有 4,400 项符合查询结果(耗时:0.0131秒) [XML]
Multiple returns from a function
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If only PHP had Perl's wantarray()
– Marc B
Aug 26 '10 at 22:22
8
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Why is the standard session lifetime 24 minutes (1440 seconds)?
I've been doing some research on PHP Session Handling and came across the session.gc_maxlifetime value of 1440 seconds.
I've been wondering why the standard value is 1440 and how it is calculated?
What is the basis for this calculation?
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PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
I just had some very strange behavior with a simple php script I was writing. I reduced it to the minimum necessary to recreate the bug:
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Smarty中date_format日期格式化详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Smarty中date_format日期格式化详解在php的smarty模板中date_format是对由php提供过来的时间秒进行转换成日期了,那么date_format函数到底怎么用有什么格式,我们一起来看看。...在php的smarty模板中date_format是对由php提供过来的时间秒进行...
PHP json_decode() returns NULL with valid JSON?
... On my server, it doesn't. And I can't call json_last_error() because it's PHP 5.2.9. That function appears on PHP 5.3.0.
– Joel A. Villarreal Bertoldi
Mar 9 '10 at 15:54
1
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How to zip a whole folder using PHP
...cript) to 777. For example: If script located in /var/www/localhost/script.php, then you need set chmod 0777 on dir /var/www/localhost/.
– Dador
Feb 6 '11 at 18:50
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What's the difference between echo, print, and print_r in PHP?
...en debugging
No return value
var_export()
Outputs a human-readable and PHP-executable representation of any one value
Accepts not just strings but other types including arrays and objects, formatting them to be readable
Uses a different output format to both print_r() and var_dump() - resulting ...
what is faster: in_array or isset? [closed]
... {
$v = rand(1, 1000000);
$a[$v] = $v;
}
echo "Size: ", count($a), PHP_EOL;
$start = microtime( true );
for ($i = 0; $i < 10000; ++$i) {
isset($a[rand(1, 1000000)]);
}
$total_time = microtime( true ) - $start;
echo "Total time: ", number_format($total_time, 6), PHP_EOL;
$start = m...
Check to see if a string is serialized?
... unserialize raw user data since it can be used as an attack vector. OWASP:PHP_Object_Injection
– ArtBIT
Sep 1 '17 at 18:56
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Get URL query string parameters
...RY_STRING'] contains the data that you are looking for.
DOCUMENTATION
php.net: $_SERVER - Manual
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