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<?php |
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if (!class_exists('Blog')) { |
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return; |
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} |
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/** |
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* Class RecentBlogPostsBlock |
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*/ |
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class RecentBlogPostsBlock extends Block |
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{ |
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/** |
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* @var string |
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*/ |
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private static $singular_name = 'Recent Blog Posts Block'; |
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/** |
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* @var string |
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*/ |
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private static $plural_name = 'Recent Blog Posts Blocks'; |
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/** |
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* @var array |
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*/ |
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private static $db = array( |
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'Limit' => 'Int', |
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); |
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/** |
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* @var array |
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*/ |
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private static $has_one = array( |
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'Blog' => 'Blog', |
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); |
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/** |
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* @var array |
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*/ |
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private static $defaults = array( |
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'Limit' => 3, |
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); |
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/** |
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* @return FieldList |
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*/ |
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1 |
View Code Duplication |
public function getCMSFields() |
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{ |
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$fields = singleton('Block')->getCMSFields(); |
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$fields->addFieldsToTab('Root.Main', array( |
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1 |
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NumericField::create('Limit'), |
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1 |
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)); |
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1 |
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if (class_exists('Blog')) { |
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$fields->addFieldToTab( |
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'Root.Main', |
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DropdownField::create('BlogID', 'Featured Blog', Blog::get()->map()) |
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->setEmptyString('') |
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); |
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} |
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return $fields; |
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} |
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/** |
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* @param null $member |
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* @return bool |
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*/ |
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public function canCreate($member = null) |
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{ |
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1 |
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if (!class_exists('Blog')) { |
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1 |
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return false; |
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} |
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// Standard mechanism for accepting permission changes from extensions |
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$extended = $this->extendedCan('canCreate', $member); |
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if ($extended !== null) { |
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return $extended; |
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} |
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return parent::canCreate(); |
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} |
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/** |
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* @param null $member |
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* @return bool |
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*/ |
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1 |
View Code Duplication |
public function canView($member = null) |
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{ |
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1 |
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if (!class_exists('Blog')) { |
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1 |
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return false; |
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} |
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// Standard mechanism for accepting permission changes from extensions |
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$extended = $this->extendedCan('canView', $member); |
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if ($extended !== null) { |
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return $extended; |
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} |
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return parent::canView(); |
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} |
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} |
dynamic /
dynamic-blocks
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The PSR-1: Basic Coding Standard recommends that a file should either introduce new symbols, that is classes, functions, constants or similar, or have side effects. Side effects are anything that executes logic, like for example printing output, changing ini settings or writing to a file.
The idea behind this recommendation is that merely auto-loading a class should not change the state of an application. It also promotes a cleaner style of programming and makes your code less prone to errors, because the logic is not spread out all over the place.
To learn more about the PSR-1, please see the PHP-FIG site on the PSR-1.