Style 1.1: Use proper indenting
while ($x < $z) { if ($a == 1) { echo 'A was equal to 1'; } else { if ($b == 2) { //do something } else { //do something else } }}
1.2
while ($x < $z) { if ($a == 1) { echo 'A was equal to 1'; } else { if ($b == 2) { //do something } else { //do something else } }}
Style 2.1: Properly indent conditional statements. Always use braces, it will make later additions of more statements easier.
while ($x < $z) { if ($a == 1) { echo 'A was equal to 1'; } else { if ($b == 2) { //do something } else { //do something else } }}
Style 2.2
while ($x < $z) { if ($a == 1) { echo 'A was equal to 1'; } else { if ($b == 2) { //do something } else { //do something else } }}
3.1 Function Calls
No space between function names and parenthesis.
$var = myFunction($x, $y);
3.2 Function declarations
Use braces properly, give meaningful names to the parameters, always return values from functions. Avoid printing/echoing inside functions.
function myFunction($province, $city = ''){ //indent all code inside here return $result;}
4. Use comments before a function. Also, use comments before a block [especially if it uses some difficult to understand logic]use PHPDoc style comments that may work like Javadoc to create documentation from your source files
/** * short description of function * * Optional more detailed description. * * @param $paramName - type - brief purpose * @param ... * ... * @return type and description */
5. Use include_once or require_once instead of include or require to include a file that contains common variables, functions, classes.
6. Php tags: always use
instead of
7. to enclose strings use single quote ‘ ‘ rather than double quotes ” “. Try to use . to concate string variables. You can use double quote and put variables inside.
$associative_array['name']; $var='My String'; $var2='Very... long... string... ' . $var . ' ...more string... '; $sql="INSERT INTO mytable (field) VALUES ('$var')";
8. Follow some conventions for variable and function names
- Class name start with uppercase letter. Each word should start with uppercase letter
- Variable and function name may start with lower case letters. Then each word will start with a capital letter
- give meaningful names to variables and functions
- Do not make them too lengthy. I prefer less than 12-15 character names
- Do not abbreviate words in variable or function names. Use $url or $articleUrl as variable names, not $URL or $articleURL as
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Post Data:2006-08-07 13:22:40
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