php Programming Glossary: grammar

http://stackoverflow.com/questions/1077600/converting-words-to-numbers-in-php

tokens words that translates to numbers and applying grammar. In short you are building a parser for a very limited language... This assumes that seventeen hundred is not allowed in this grammar This gives you the last three digits of your number. If you..

PHP Parse/Syntax Errors; and How to solve them?

http://stackoverflow.com/questions/18050071/php-parse-syntax-errors-and-how-to-solve-them

Whether this well ever become a didactic intro to language grammar analyzation is to be seen. Should be more terse and not derail.. C style and imperative programming languages. It has rigid grammar rules not unlike Oxford English. In contrast to humans it however..

Using a regular expression to validate an email address

http://stackoverflow.com/questions/201323/using-a-regular-expression-to-validate-an-email-address

was written before the days of grammatical patterns. The grammar specified in RFC 5322 is too complicated for primitive regular..

How are echo and print different in PHP? [duplicate]

http://stackoverflow.com/questions/234241/how-are-echo-and-print-different-in-php

though. Only AND OR and XOR are lower. Parameter s . The grammar is echo expression expression expression ... But echo expression..

Why don't PHP attributes allow functions?

http://stackoverflow.com/questions/3960323/why-dont-php-attributes-allow-functions

this causes a syntax error. This is a result of the PHP grammar which makes the following relevant definition class_variable_declaration.. ' ' ... ... Let's assume for a second that the grammar was different and the noted line in the class variable delcaration.. binding type . Since the code is now valid based on the grammar this indicates that there actually is something specific in..

Compiling an AST back to source code

http://stackoverflow.com/questions/5832412/compiling-an-ast-back-to-source-code

vertical boxes I ... for indented boxes directly to the grammar rules allowing us to succinctly express the grammar parser and.. to the grammar rules allowing us to succinctly express the grammar parser and the prettyprinter anti parser in one place. The prettyprinter.. to do it once. An DMS example block ' ' statements ' ' grammar rule to recognize block of statements PrettyPrinter V ' ' I..

Parentheses altering semantics of function call result

http://stackoverflow.com/questions/6726589/parentheses-altering-semantics-of-function-call-result

here. Unlike in C I don't know enough about the PHP grammar and its treatment of statements expressions to derive it myself... I first found this EBNF purporting to represent the PHP grammar and tried to decode my scripts myself but eventually gave up...

Match a^n b^n c^n (e.g. “aaabbbccc”) using regular expressions (PCRE)

http://stackoverflow.com/questions/7434272/match-an-bn-cn-e-g-aaabbbccc-using-regular-expressions-pcre

have little in common with the original notion of regular grammars . For example you can parse the classical example of a context.. you can parse the classical example of a context free grammar a n b n n 0 e.g. aaabbb using this regex demo ~^ a 1 b ~ My.. you go Is it also possible to parse the context sensitive grammar a n b n c n n 0 e.g. aaabbbccc using PCRE php regex pcre ..