PHP and MySQL Web Development 4th Ed-tqw-_darksiderg

Assignment Operators 34
Comparison Operators 36
Logical Operators 38
Bitwise Operators 38
Other Operators 39
Working Out the Form Totals 41
Understanding Precedence and Associativity 42
Using Variable Functions 44
Testing and Setting Variable Types 44
Testing Variable Status 45
Reinterpreting Variables 46
Making Decisions with Conditionals 46
if Statements 46
Code Blocks 47
else Statements 47
elseif Statements 48
switch Statements 49
Comparing the Different Conditionals 51
Repeating Actions Through Iteration 51
while Loops 53
for and foreach Loops 54
do...while Loops 55
Breaking Out of a Control Structure or Script 56
Employing Alternative Control Structure Syntax 56
Using declare 57
Next 57
2 Storing and Retrieving Data 59
Saving Data for Later 59
Storing and Retrieving Bob’s Orders 60
Processing Files 61
Opening a File 61
Choosing File Modes 61
Using fopen() to Open a File 62
Opening Files Through FTP or HTTP 64
Addressing Problems Opening Files 65