大约有 40,000 项符合查询结果（耗时：0.0620秒） [XML]
How to get xdebug var_dump to show full object/array
... I contend that the a display_max_depth of 5 is not sane if you actually expect to get any information from your var_dump
– Ben Harold
Feb 19 '14 at 0:06
2
...
How to check that a string is an int, but not a double, etc.?
... (ctype_digit($testcase)) {
echo "The string $testcase consists of all digits.\n";
} else {
echo "The string $testcase does not consist of all digits.\n";
}
}
?>
The above example will output:
The string 1820.20 does not consist of all digits.
The string 10002 consists...
PHP - How to check if a string contains a specific text [duplicate]
...
Use the strpos function: http://php.net/manual/en/function.strpos.php
$haystack = "foo bar baz";
$needle = "bar";
if( strpos( $haystack, $needle ) !== false) {
echo "\"bar\" exists in the haystack variable";
}
In your case:
if( strpos( $a, 'some ...
Print newline in PHP in single quotes
...
That's not the right reasoning. It's no because in PHP you can not express a new-line character in single quotes. And that's it. Reading the manual could have helped :)
– hakre
May 21 '13 at 9:35
...
How to remove all leading zeroes in a string
...oat however, it seems to work ok. Strange
– JamesHalsall
Feb 23 '11 at 23:37
manual says that "The size of an integer ...
How to send a PUT/DELETE request in jQuery?
...ch as PUT and DELETE, can also be used here, but they are not supported by all browsers." from: api.jquery.com/jQuery.ajax/#options
– andilabs
Dec 2 '13 at 8:11
23
...
linux下iptables配置详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...成DROP的话)
允许loopback!(不然会导致DNS无法正常关闭等问题)
IPTABLES -A INPUT -i lo -p all -j ACCEPT (如果是INPUT DROP)
IPTABLES -A OUTPUT -o lo -p all -j ACCEPT(如果是OUTPUT DROP)
下面写OUTPUT链,OUTPUT链默认规则是ACCEPT,所以我们就写需要DROP(放弃)...
Sort array of objects by object fields
...gt;name, $b->name);
}
usort($your_data, "cmp");
You can also use any callable as the second argument. Here are some examples:
Using anonymous functions (from PHP 5.3)
usort($your_data, function($a, $b) {return strcmp($a->name, $b->name);});
From inside a class
usort($your_data, arr...
Loop code for each file in a directory [duplicate]
...
Is the $files variable used to avoid calling scandir() more than once in the foreach loop? Or can I embed it directly without any side effects?
– Zero3
May 10 '15 at 15:57
...
Highlight the difference between two strings in PHP
What is the easiest way to highlight the difference between two strings in PHP?
13 Answers
...