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What is the function __construct used for?
...ced in PHP5 and it is the right way to define your, well, constructors (in PHP4 you used the name of the class for a constructor).
You are not required to define a constructor in your class, but if you wish to pass any parameters on object construction then you need one.
An example could go like th...
Creating default object from empty value in PHP?
...t_details[$key] = new stdClass(); //the magic
$product_details[$key]->product_id = $objects->id;
//see new object member created on the fly without warning.
}
This sends ARRAY of Objects for later use~!
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Rails migration for has_and_belongs_to_many join table
..., :id => false do |t|
t.column :category_id, :integer
t.column :product_id, :integer
end
end
# models/product.rb
has_and_belongs_to_many :categories
# models/category.rb
has_and_belongs_to_many :products
But this is not very flexible and you should think about using has_many :throug...
Executing injected by innerHTML after AJAX call
... them to the DOM, it handles exception errors as well. I used this code in php4sack library and it is useful outside of the library.
function parseScript(_source) {
var source = _source;
var scripts = new Array();
// Strip out tags
while(source.toLowerCase().indexOf("<script") &...
A more pretty/informative Var_dump alternative in PHP? [closed]
...r() and var_dump(). By definition Krumo is a debugging tool (initially for PHP4/PHP5, now for PHP5 only), which displays structured information about any PHP variable.
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What's the deal with a leading underscore in PHP class methods?
...you wind up with a whole lot of confusion. As it turns out, this came from PHP4 as Jeremy points out, & #ZF based their convention off of the PEAR convention. PEAR has removed it & I believe #ZF will follow suit.
– joedevon
Oct 16 '10 at 17:06
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Getting the name of a child class in the parent class (static context)
...
in short. this is not possible. in php4 you could implement a terrible hack (examine the debug_backtrace()) but that method does not work in PHP5. references:
30423
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edit: an example of late static binding in PHP 5.3 (mentioned in comments). no...
Default visibility of class methods in PHP
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Default is public. It's a good practice to always include it, however PHP4 supported classes without access modifiers, so it's common to see no usage of them in legacy code.
And no, PHP has no package visibility, mainly because until recently PHP had no packages.
...
What is the use of “assert” in Python?
...), 'Must have admin privileges to delete'` and assert store.product_exists(product_id), 'Unknown product id' is not a good practice, because if the debug is turned off then the user even if not an admin will be able to delete the product. Do you consider assert user.is_admin() as a unrecoverable err...
How to change the foreign key referential action? (behavior)
...
ALTER TABLE products
DROP FOREIGN KEY oldConstraintName,
ADD FOREIGN KEY (product_id, category_id) REFERENCES externalTableName (foreign_key_name, another_one_makes_composite_key) ON DELETE CASCADE ON UPDATE CASCADE
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