php Programming Glossary: expressions

How to evaluate formula passed as string in PHP?

http://stackoverflow.com/questions/1015242/how-to-evaluate-formula-passed-as-string-in-php

This class can be used to safely evaluate mathematical expressions. The class can take an expression in a text string and evaluate.. functions and nested functions. It can be used to evaluate expressions from untrusted sources. It provides robust error checking and.. set of functions. It could be used to generate graphs from expressions of formulae. EvalMath PHP Class to safely evaluate math..

Using a regular expression to validate an email address

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

solutions that use functions that use several shorter expressions but I'd rather have one long complex expression in a simple.. in RFC 5322 is too complicated for primitive regular expressions although the more sophisticated grammatical patterns in Perl.. only act as a rudimentary filter. The problem with regular expressions is that telling someone that their perfectly valid e mail address..

Curly braces in string in PHP

http://stackoverflow.com/questions/2596837/curly-braces-in-string-in-php

improve this question They're used to escape variable expressions. From Strings Complex curly syntax This isn't called complex.. is complex but because it allows for the use of complex expressions. In fact any value in the namespace can be included in a string..

Robust and Mature HTML Parser for PHP [duplicate]

http://stackoverflow.com/questions/292926/robust-and-mature-html-parser-for-php

recommended you can extract data from HTML with regular expressions . In general using Regular Expressions on HTML is discouraged... already know the syntactical rules of HTML. Regular expressions have to be taught for each new regex you write. Regex are fine.. writing a complete and reliable custom parser with regular expressions is a waste of time when the aforementioned libraries already..

How do you parse and process HTML/XML in PHP?

http://stackoverflow.com/questions/3577641/how-do-you-parse-and-process-html-xml-in-php

How to parse HTML with PHP? [duplicate]

http://stackoverflow.com/questions/3650125/how-to-parse-html-with-php

How can I convert ereg expressions to preg in PHP?

http://stackoverflow.com/questions/6270004/how-can-i-convert-ereg-expressions-to-preg-in-php

can I convert ereg expressions to preg in PHP Since POSIX regular expressions ereg are deprecated.. ereg expressions to preg in PHP Since POSIX regular expressions ereg are deprecated since PHP 5.3.0 I'd like to know an easy.. PHP 5.3.0 I'd like to know an easy way to convert the old expressions to PCRE Perl Compatible Regular Expressions preg . Per example..

Get the number of pages in a PDF document

http://stackoverflow.com/questions/14644353/get-the-number-of-pages-in-a-pdf-document

filesize f if stream content return 0 count 0 Regular Expressions found by Googling all linked to SO answers regex Count s d regex2..

PHP Regular Expressions [closed]

http://stackoverflow.com/questions/16166819/php-regular-expressions

Regular Expressions closed here is a list of examples of php regular expressions..

Using a regular expression to validate an email address

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

Compile regex in PHP

http://stackoverflow.com/questions/209906/compile-regex-in-php

share improve this question The Perl Compatible Regular Expressions library may have already be optimized for your use case without..

Optimizations to reduce website loading time

http://stackoverflow.com/questions/2359515/optimizations-to-reduce-website-loading-time

StyleSheets at the Top Put Scripts at the Bottom Avoid CSS Expressions Make JavaScript and CSS External Reduce DNS Lookups Minify JavaScript..

Sanitization of User-Supplied Regular Expressions in PHP

http://stackoverflow.com/questions/2371445/sanitization-of-user-supplied-regular-expressions-in-php

of User Supplied Regular Expressions in PHP I want to create a website where users can test regular..

Robust and Mature HTML Parser for PHP [duplicate]

http://stackoverflow.com/questions/292926/robust-and-mature-html-parser-for-php

information about the state of any scraper. Regular Expressions Last and least recommended you can extract data from HTML with.. HTML with regular expressions . In general using Regular Expressions on HTML is discouraged. Most of the snippets you will find on..

How can I get the base domain name from a URL, using PHP? eg google.com from images.google.com

http://stackoverflow.com/questions/3211411/how-can-i-get-the-base-domain-name-from-a-url-using-php-eg-google-com-from-ima

should all return google.co.uk I'm hesitant to use Regular Expressions because something like domain.com google.com could return incorrect..

How do you parse and process HTML/XML in PHP?

http://stackoverflow.com/questions/3577641/how-do-you-parse-and-process-html-xml-in-php

PHP Parse HTML code [duplicate]

http://stackoverflow.com/questions/3627489/php-parse-html-code

and I understand that it's not a good idea to use Regular Expressions. php html parsing share improve this question Use PHP Document..

How to parse HTML with PHP? [duplicate]

http://stackoverflow.com/questions/3650125/how-to-parse-html-with-php

Does PHP's filter_var FILTER_VALIDATE_EMAIL actually work?

http://stackoverflow.com/questions/3722831/does-phps-filter-var-filter-validate-email-actually-work

the options in Comparing E mail Address Validating Regular Expressions the regexp currently used in PHP is one of those tested . Then..

PHP regex: is there anything wrong with this code?

http://stackoverflow.com/questions/5527250/php-regex-is-there-anything-wrong-with-this-code

normal special normal construct # See Mastering Regular Expressions . # special Match a but only if it is 2 # not the start of..

PHP: Regex to ignore escaped quotes within quotes

http://stackoverflow.com/questions/5695240/php-regex-to-ignore-escaped-quotes-within-quotes

depth as an example in his classic work Mastering Regular Expressions 3rd Edition . Here is the regex you are looking for Good ^ ...

How can I convert ereg expressions to preg in PHP?

http://stackoverflow.com/questions/6270004/how-can-i-convert-ereg-expressions-to-preg-in-php

the old expressions to PCRE Perl Compatible Regular Expressions preg . Per example I have this regular expression eregi '^hello..

Reference: Comparing PHP's print and echo

http://stackoverflow.com/questions/7094118/reference-comparing-phps-print-and-echo

print 7 . Why does print return a value and echo doesn't Expressions must evaluate to values for example true evaluates to false..

Getting SimpleXMLElement to include the encoding in output

http://stackoverflow.com/questions/869650/getting-simplexmlelement-to-include-the-encoding-in-output

1.0 ' ' xml version 1.0 encoding UTF 8 ' outputXML Regular Expressions outputXML preg_replace ' s xml ^ s ' ' xml 1 encoding UTF 8..