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| Introduction | |
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| I Using PHP1 PHP Crash Course | |
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| Before You Begin: Accessing PHP | |
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| Creating a Sample Application: Bob's Auto Parts | |
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| Creating the Order Form | |
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| Processing the Form | |
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| Embedding PHP in HTML | |
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| PHP Tags | |
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| PHP Statements | |
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| Whitespace | |
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| Comments | |
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| Adding Dynamic Content | |
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| Calling Functions | |
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| Using the date() Function | |
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| Accessing Form Variables | |
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| Short, Medium, and Long Variables | |
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| String Concatenation | |
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| Variables and Literals | |
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| Understanding Identifiers | |
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| Examining Variable Types | |
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| PHP's Data Types | |
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| Type Strength | |
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| Type Casting | |
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| Variable Variables | |
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| Declaring and Using Constants | |
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| Understanding Variable Scope | |
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| Using Operators | |
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| Arithmetic Operators | |
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| String Operators | |
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| Assignment Operators | |
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| Comparison Operators | |
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| Logical Operators | |
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| Bitwise Operators | |
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| Other Operators | |
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| Working Out the Form Totals | |
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| Understanding Precedence and Associativity | |
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| Using Variable Functions | |
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| Testing and Setting Variable Types | |
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| Testing Variable Status | |
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| Reinterpreting Variables | |
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| Making Decisions with Conditionals | |
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| if Statements | |
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| Code Blocks | |
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| else Statements | |
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| elseif Statements | |
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| switch Statements | |
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| Comparing the Different Conditionals | |
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| Repeating Actions Through Iteration | |
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| while Loops | |
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| for and foreach Loops | |
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| do...while Loops | |
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| Breaking Out of a Control Structure or Script | |
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| Employing Alternative Control Structure Syntax | |
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| Using declare | |
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| Next 572 Storing and Retrieving Data | |
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| Saving Data for Later | |
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| Storing and Retrieving Bob's Orders | |
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| Processing Files | |
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| Opening a File | |
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| Choosing File Modes | |
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| Using fopen() to Open a File | |
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| Opening Files Through FTP or HTTP | |
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| Addressing Problems Opening Files | |
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| Writing to a File | |
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| Parameters for fwrite() | |
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| File Formats | |
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| Closing a File | |
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| Reading from a File | |
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| Opening a File for Reading: fopen() | |
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| Knowing When to Stop: feof() | |
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| Reading a Line at a Time: fgets(), fgetss(), andfgetcsv() | |
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| Reading the Whole File: readfile(), fpassthru(), andfile() | |
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| Reading a Character: fgetc() | |
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| Reading an Arbitrary Length: fread() | |
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| Using Other Useful File Functions | |
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| Checking Whether a File Is There: file_exists() | |
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| Determining How Big a File Is: filesize() | |
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| Deleting a File: unlink() | |
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| Navigating Inside a File: rewind(), fseek(), andftell() | |
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| Locking Files | |
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| A Better Way: Database Management Systems | |
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| Problems with Using Flat Files | |
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| How RDBMSs Solve These Problems | |
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| Further Reading | |
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| Next 803 Using Arrays | |
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| What Is an Array? | |
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| Numerically Indexed Arrays | |
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| Initializing Numerically Indexed Arrays | |
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| Accessing Array Contents | |
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| Using Loops to Access the Array | |
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| Arrays with Different Indices | |
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| Initializing an Array | |
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| Accessing the Array Elements | |
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| Using Loops | |
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| Array Operators | |
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| Multidimensional Arrays | |
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| Sorting Arrays | |
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| Using sort() | |
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| Using asort() and ksort() to Sort Arrays | |
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| Sorting in Reverse | |
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| Sorting Multidimensional Arrays | |
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| User-Defined Sorts | |
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| Reverse User Sorts | |
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| Reordering Arrays | |
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| Using shuffle() | |
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| Using array_reverse() | |
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| Loading Arrays from Files | |
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| Performing Other Array Manipulations | |
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| Navigating Within an Array: each(), current(), reset(), end(), next(), pos(), and prev() | |
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| Applying Any Function to Each Element in anArray: array_walk() | |
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| Counting Elements in an | |