![]() If( $i query ( '/catalog/items/item' ) ĬonvertEncoding($chr, 'UTF-16BE', 'UTF-8') If you need to quote a string in xpath it's If you need to quote javascript/json strings its If you need to quote shell arguments, it's If you need to escape HTML, it's (unfortunately) In both cases, a backslash will be added after the apostrophe in "O'Reilly" only in the second case will the backslash be included in the string length as recorded by serialize().Īddslashes is *never* the right answer, it's (ab)use can lead to security exploits! Such a mismatch can occur if you serialize the result of addslashes() and store it in a database some databases (definitely including PostgreSQL) automagically strip backslashes from "special" chars in SELECT results, causing the returned string to be shorter than it was when it was serialized. ![]() serialize() stores strings with their length the length must match the stored string or unserialize() will fail. ![]() Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces Enumerations Errors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Supported Protocols and Wrappers Security Introduction General considerations Installed as CGI binary Installed as an Apache module Session Security Filesystem Security Database Security Error Reporting User Submitted Data Hiding PHP Keeping Current Features HTTP authentication with PHP Cookies Sessions Dealing with XForms Handling file uploads Using remote files Connection handling Persistent Database Connections Command line usage Garbage Collection DTrace Dynamic Tracing Function Reference Affecting PHP's Behaviour Audio Formats Manipulation Authentication Services Command Line Specific Extensions Compression and Archive Extensions Cryptography Extensions Database Extensions Date and Time Related Extensions File System Related Extensions Human Language and Character Encoding Support Image Processing and Generation Mail Related Extensions Mathematical Extensions Non-Text MIME Output Process Control Extensions Other Basic Extensions Other Services Search Engine Extensions Server Specific Extensions Session Extensions Text Processing Variable and Type Related Extensions Web Services Windows Only Extensions XML Manipulation GUI Extensions Keyboard Shortcuts ? This help j Next menu item k Previous menu item g p Previous man page g n Next man page G Scroll to bottom g g Scroll to top g h Goto homepage g s Goto searchīeware of using addslashes() on input to the serialize() function. ![]()
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