Definition and usage
The trim () function removes white-space characters and other predefined characters from both ends of the string.
Grammar
Trim (string,charlist) parameter description
string is required. Specifies the string to check.
Charlist
Because I upgraded PHP to 5.3.1, the previous phpMyAdmin version can not be used, the upgrade to phpMyAdmin 3.2.4 version of the time, you will be unable to log in with a blank password root user situation. How to solve it? Please refer to the
PHP provides a minimal use of the Similar_text function, but this function is useful for comparing two strings and returning percentages of similar degrees, the following is how the Similar_text () function is used:
Copy the Code code as follows:
In PHP programming, the double quotation mark "and the single quotation mark" is the string and the character expression form, then we want to output it how to do, below we see a simple output single double quotation mark instance bar.
Home we look
Recently saw a clever method, the principle is
$var _a = ' var_b ';
$ $var _a = ' Test ';
then echo $var _b; for ' Test '
So you can handle it.
Copy the Code code as follows:
foreach (Array (' _cookie ', ' _post ', ' _get ') as $_request){foreach
If the traffic is large, it will be a huge burden on the database, so it is very necessary to do the PHP data cache (cache) for the content of the change infrequently, I have made a simple php "file cache" class, I hope to be helpful to
Definition and usage
The Array_search () function, like In_array (), looks for a key value in the array. If the value is found, the key name of the matching element is returned. Returns False if it is not found.
Before PHP 4.2.0, the function
Do we have to do this? Many online posts are the same, others said to, he also said to. In fact, every time the system is re-installed, such a copy, toss it again, too hard. Used apmserv this idiot-style installation package of friends may find that
Copy CodeThe code is as follows:
/*************by garcon1986*********/The difference between print and Echo:1. Echo can enter multiple strings, while print cannot.print "Hello". " World "; Successecho "Hello". " World "; SuccessPrint "Hello",
Here are the functions that filter the HTML code:
Copy the Code code as follows:
function Ihtmlspecialchars ($string) {if (Is_array ($string)) {foreach ($string as $key = = $val) {$string [$key] = Ihtmlspecialchars ($val);}} else {$string =
/**
* Fills a string into a string of a specified length (Multi-byte security)
* @param string $str to specify the character to be populated
* @param int $len Specifies the length of the filled string, if the value is negative or less than the
First, this example is based on the message of the revised version.
We used jquery.js to implement Ajax and Dom deletions.
First Join
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Add one to Table
Copy the Code code as follows:
Id= "T
"
Write a JS:
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