Learning notes PHP string processing function summary. PHP has been developing for a long time and many users are familiar with PHP. here I will post my personal understanding of PHP string processing functions, hoping to help you, PHP itself is a
Htmlspecialchars and htmlentities usage in php. In php, htmlspecialchars converts special characters into HTML format, while htmlentities converts all the elements into HTML strings. next I will briefly introduce them. Htmlentities usage
Php string processing functions are very powerful in PHP processing strings, and there are a variety of methods, but sometimes you need to choose the simplest and ideal solution, this article lists 10 common cases of string processing in PHP and
Php graph LIbchart class usage example. Statistical graphs are the data graphs we often see. if three arrays are displayed in graphs or the buildings are directed at graphs, we will use graphs, next I will introduce a phpLIbchart graphic statistical
Three groups of easily confusing functions in PHP
I, Htmlentities () and Htmlspecialchars ()
1, Htmlentities ()
1.1 function: Convert characters to HTML entities. characters include ASCII entities and ISO 8859-1 entities (HTML entity table:
Php removes useless format functions directly pasted from word
Function ClearHtml ($ content, $ allowtags = ''){
Mb_regex_encoding ('utf-8 ');
// Replace MS special characters first
$ Search =
Php generates a graph (Libchart) instance. Statistical graphs are the data graphs we often see. if three arrays are displayed in graphs or the buildings are directed at graphs, we will use graphs, next I will introduce a phpLIbchart graphic
Summary of php5 string processing functions, which are frequently used by php users. Easy to search and use. Addcslashes-add backslash escape characters to some characters in the string
Addslashes-escape characters in the string in the specified
How to filter character in PHP
The configuration and functions associated with the PHP string escape are as follows:1.magic_quotes_runtime2.magic_quotes_gpc3.addslashes () and Stripslashes ()4.mysql_escape_string ()5.addcslashes () and
What are the character security filtering functions in php?
A list of character security filtering functions in php. common functions used by php to prevent SQL injection attacks and xss attacks, including mysql_real_escape_string (),
Php5 string processing function summary
This article describes common character string processing functions in php5, including string comparison, string search, string truncation, and other functions. For more information, see.A summary of
PHP5 string processing functions. Addcslashes-add the backslash escape character addslashes to some characters in the string-escape the characters in the string in the specified way bin2hex-Convert binary data to addcslashes-to some characters in
Summary of use of character security filtering functions in PHP and summary of php character functions. Summary of use of character security filtering functions in PHP, and summary of php character functions in WEB development, we often need to
Anyedit plugin adds several new tools to the context menu of text-based eclipse editors, to output Les, to eclipse main menu and editor toolbar.
Anyedit adds context menu actions to supported text editors:
"Open File under cursor"-Useful by
/**
* Character filtering
* $santype 1: Stripped of HTML, XML, and PHP tags,
* 2: Peel HTML, XML, and PHP tags, convert characters to HTML entities, encode double quotes and single quotes
* 3: Strip HTML, XML, and PHP tags, add backslash single
1. Do not turn to HTML entities
A basic common sense: all untrusted input (especially the data submitted by the user from the form), and the output should be preceded by a change of meaning.
echo $_get[' Usename '];
This example has the potential to
Php character conversion insert data is added before single quotes () to avoid database insertion errors .? Related functions: addcslashes ($ str,); convert & amp; to html entities (if not changed, an error will be reported in xml: htmlentities ($
HTML predefined characters refer to:An HTML entity refers to a $amp, etc.PHP Htmlspeciachar () is about converting HTML predefined characters into HTML entities.When the browser renders, the HTML entities are converted to HTML predefined characters,
PHP Htmlspecialchars and Htmlspecialchars_decode (functions)The Htmlspecialchars () function converts some pre-defined characters to HTML entities.Function prototype: Htmlspecialchars (String,quotestyle,character-set)The predefined characters are:
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