String Handling in PHP

String Handling in PHP - module H107

The text processing facilities in PHP are wide ranging. Functions are provided for all the common functionality (high-level and low-level) that's required by most users, and for much more besides. We have a saying in PHP Ð "There's a function to do that" Ð and nowhere does it apply more than in text processing.

This topic is presented on public course PHP Programming

Examples from our training material

bustimes.php	Using PHP to format data (timetable in this example)
extrawords	Extra words for spell checker
myform.php	Robust, sticky form demo with field validation
mystdinc.inc	Include file for sticky fields demo
pmoffs.php	Capturing regular expression offsets
regex.php4	Regular expression - validating an email address
s1.php4	Single and double quoted strings
s2.php4	Character string as an array
s3.php4	String cleansing with functions such as strspn
secdo.php4	Convert seconds to minutes and seconds
sfex.php	Demo of sticky fields and security
shunt.php	Evaluting BODMAS expression using MySQL cell tables
spell.php	Spell Checker
sprint.php4	Formatting with sprintf
stdist.php	Search - do two words look or sound the same?
stickform.php	Stick Fields and Input Validation
toke.php4	String tokenising - strtok, implode, explode

Background information

Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from http://www.training-notes.co.uk.

Topics covered in this module

Strings.
Strings - in variables and literals.
String functions - an introduction.
Low-level functions.
Higher level functions.
Matching, extraction and replacement functions.
String operations.
String cleansing.
Formatting data into a string - sprintf.
Functions for formatting web pages.
Low-level string manipulation - strpos and friends.
Splitting up a string.
Regular expressions.
What flavour of regular expressions?.

Complete learning

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