PHP & My SQL : Validating Data

Chapter 6: Getting Data from Browsers

Page	Title	Filename
237	Getting Query String Data	get-1.php?city=London
239	Handling Missing Data	get-2.php
241	Validating Query String Data	get-3.php
243	Showing Error For Invalid Query String Data	get-4.php?city=London
245	Example of an XSS Attack	xss-1.php
247	Escaping Characters with `htmlspecialchars()`	xss-2.php
247	Escaping Characters with Custom Function	xss-3.php
251	Collecting Form Data	collecting-form-data.php
253	Check if Form Submitted Using HTTP POST	check-for-http-post.php
253	Check if Form Submitted Using HTTP GET	check-for-http-get.php
255	Validate Number Range	validate-number-range.php
257	Validate Text Length	validate-text-length.php
259	Validate Password	validate-password.php
261	Validate Options	validate-options.php
263	Validate Checkboxes	validate-checkbox.php
267	Validate Multiple Form Controls	validate-form.php
269	Collecting Data with `filter_input()`	filter_input.php
269	Collecting Data with `filter_input_array()`	filter_input_array.php
273	Validate Input with `filter_input()`	validate-input.php
275	Validate Input with `filter_input_array()`	validate-multiple-inputs.php
277	Validate Variables with with `filter_var_array()`	validate-variables.php
281	Sanitization Filters	sanitization-filters.php
283	Validate Form Using Filters	validate-form-using-filters.php