Upgrading to PHP 5

Index

Symbols

" (double quotes)

around attributes in XML, Differences

automatically inserted for string parameters, PHP 5: Binding Input Parameters

escaping in queries, Before and After: Querying and Retrieving Data with Prepared Statements, PHP 4: Traditional Input Queries, Inserting Data

$ (dollar sign), preceding property name, Methods

& (ampersand)

preceding entities in XML, Similarities

preceding variable to pass by reference, Object References

' (single quotes)

around attributes in XML, Differences

automatically inserted for string parameters, PHP 5: Binding Input Parameters

escaping in queries, Before and After: Querying and Retrieving Data with Prepared Statements, PHP 4: Traditional Input Queries, Inserting Data

, XPath

// (double slashes), in HTTP request, HTTP and HTTPS

/ (slash)

empty element in XML, Differences

: (colon)

in Tidy configuration file, Configuring Tidy

preceding namespace prefix, Namespace Prefixes

:: (double colons)

referencing static methods, Static Methods and Properties

referencing static properties, Static Methods and Properties

<?php ... ?> markers, enclosing PHP program, Programming Conventions

=== (strict equality operator), Iterators and SPL

? (question mark), substituting for query variables, PHP 5: Binding Input Parameters

@ (at sign)

in HTTP request, HTTP and HTTPS

preceding attributes in XPath, XPath

@@ (double at signs), preceding MySQL-specific variables, AUTOCOMMIT

$_SERVER superglobal variable, CLI Always Provides argv and argc

A

abstract classes, Abstract Classes

abstract ...