Common string handling functions in PHP

Here are just a few simple and common functions, chop performs the removal of whitespace processing, get_html_translation_table returns a conversion list to a variable, and defines a string that includes HTML encoding Htmlentities,htmlspecialchars_ Decode defines strings that contain HTML special characters, NL2BR Quotemeta RTrim, and so on.

Definition and Usage: the chop () function removes whitespace characters or other predefined characters from the end of the string, and aliases the function's RTrim () function.

Syntax: Chop (string,charlist), the code is as follows:

$str = "I ' m a teacher"; Defining strings

$result =chop ($STR); Perform a whitespace removal process

echo $result; Output results

Definition and Usage: the get_html_translation_table () function returns the translation tables used by the htmlentities () and Htmlspecialchars () functions.

Syntax: get_html_translation_table (Function,quotestyle), the code is as follows:

/*/

$trans =get_html_translation_table (html_entities); Return a conversion list to a variable

Print_r ($trans); Output conversion Table

$str = "Hallo & <frau> & Krmer"; Defining strings

$encoded =strtr ($str, $trans); Find characters

Echo $encoded; Output results

//

$str = "A ' quote ' is <b>bold</b>"; Defines a string that includes HTML encoding

echo htmlentities ($STR); Output a processed string

Echo htmlentities ($str, ent_quotes); Output after adding optional parameters

//

$str = ' <p>this-&gt; "</p>"; Defines a string that contains HTML special characters

echo Htmlspecialchars_decode ($STR); Output the converted Content

echo "<br>";

Echo Htmlspecialchars_decode ($str, ent_noquotes); Output that does not encode quotes

//

$str = "Cat isn ' t n dog"; Defines a string that contains a newline character

$result =nl2br ($STR); Perform a conversion operation

echo $result; Output converted Results

//

$str = "Hello World". (Can you hear me?) "; Defines a string containing metacharacters

$result =quotemeta ($STR); Perform a conversion operation

echo $result; Output converted Results

Open Source Code phpfensi.com

//

$str = "Hello World"; Defines a string with spaces at the end

$result =rtrim ($STR); Perform a conversion operation

echo $result; Output converted Results

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