PHP tutorial examples

Basic concept:

• Basic PHP syntax example
• PHP constants definition example
• PHP variables definition example
• Basic example of PHP echo and print statements

Data types:

• Example of a Boolean data type in PHP
• Example of a PHP conversion to an integer
• Example of a floating point data type
• Simple example of an array data type

Operators:

• Example of assignment operators
• Example with bitwise operators
• Example of error operator in PHP
• Example of execution operator in PHP
• Example of increment and decrement operators in PHP
• Example of logical operators in PHP
• Example of string operators in PHP
• Example of array operators in PHP
• Example of type operator (instanceof) in PHP

Conditional statements:

• Example of IF - ELSE statement
• Example with a SWITCH - CASE - DEFAULT statement with BREAK
• Example with a WHILE statement
• Example with a DO - WHILE statement
• Example with a FOR statement
• Example with a FOREACH statement
• Example with a BREAK and a CONTINUE statements

Control structures:

• Basic example with a DECLARE construct
• Example of a DECLARE construct with TICK directive set
• Example with RETURN statement in a function
• Example with REQUIRE_ONCE statement
• Examples with INCLUDE and INCLUDE_ONCE statements
• Example with GOTO and LABEL statements

Strings:

• Example with ucfirst() string converting function
• Example with number_format() number converting function
• Multiple examples of trim() function usage
• Example with substr_count() functions
• Example with strip_tags() functions

Arrays:

• Example of a multidimensional array
• Example with is_array() array function
• Example with count() array function
• Example with unset() value of an array function
• Example of simple index searching loop through array
• Example of associative loop through array
• Examples of array sorting
• Example with explode() array function
• Example with implode() array function

Functions:

• Example of PHP function arguments
• Example of PHP function return values
• Example of an anonymous function as a closure to a variable
• Example showing how to inherit variables from parent scope

Classes and objects:

• Example of creating and using a class constant
• Examples with class constructors and constructors extends
• Examples of object and classes inheritance
• Example with extending class overriding a method
• Example with object serialization

Regular expressions:

• Basic example with preg_match() function
• Example showing a word search with Regex
• Example with preg_replace() function
• Example with preg_split() function
• Example with ereg() function and date format conversion
• Example with reg_replace() function
• Example with split() function

Date and time:

• Basic examples with date and time functions
• Basic examples with calendar functions

Forms:

• Example of a PHP URL and email validation functions

Mail handling:

• Simple example with mail()
• Simple example with mail() and additional headers
• Example of sending an HTML email with a memo

File handling:

• Basic example with readfile() function
• Basic example with fopen(), fread() and fclose() functions
• Example with uploading files server script
• Example with checking if a file exist
• Example of checking a file's size

Image handling:

• Example of image resizing
• Example of using exif_read_data() function
• Example of creating a JPG (JPEG) image with PHP

Audio formats:

• Example with id3_get_version() in PHP

Databases:

• Example how to establish connection with MySQLi database server
• Example how to create MySQLi database with PHP
• Example how to create MySQLi table with PHP
• Example how to insert, update and delete records in MySQLi with PHP

XML manipulation:

• Basic example how to read an XML data
• Example of XML DOM in PHP
• Another example of XML DOM in PHP

Advanced PHP:

• Example of PHP session
• Example of setting PHP cookie
• Example of deleting PHP cookie
• Example of checking PHP cookie if enabled
• Example of error handling for missing files in PHP
• Example of detecting undefined variable
• Example of $_POST form submission with letter, number, email and URL filters
• Example of working with BZIP in PHP
• Example of working with ZIP in PHP