Drupal 7 common functions & hooks

gistfile1.php

<?php
// _-______defining menu elements_______________________________
//  (Including tpl theme)
/**
 * Implements hook_menu().
 */
function MODULE_menu() {
  $items['URL PATH'] = array(
    'title' => 'TITLE',
    'page callback' => 'CALLBACK FUNCTION',
    'page arguments' => array(1),
    'access callback' => 'ACCESS CALLBACK FUNCTION',
    'access arguments' =>  array('PERMISSIONS STRING'),
    'type' => MENU_CALLBACK,
  );
}

function CALLBACK FUNCTION(PAGE ARGUMENTS) {
  return theme('THEME FUNCTION', array('VARIABLE' => VALOR));
}

/**
 * Implentation of hook_theme().
 */
function MODULE_theme() {
  return array(
    'THEME FUNCTION' => array(
      'template' => 'PATH TO .PHP.TPL FILE WITHOUT EXTENSION',
    ),
  ),
}
// _-______defining blocks_______________________________
/**
 * Implentation of hook_block_info().
 */
function MODULE_block_info() {
  $blocks['BLOCK NAME'] = array(
    'info' => t('DESCRIPTIVE BLOCK NAME'),
    'status' => TRUE,
    'cache' => DRUPAL_NO_CACHE,  //change to DRUPAL_CACHE_GLOBAL in prod, DRUPAL_CACHE_PER_ROLE
  );
  return $blocks;
}

/**
 * Implentation of hook_block_view().
 */
function MODULE_block_view($delta = '') {
  switch ($delta) {
    case 'BLOCK NAME':
      $block['subject'] = t('BLOCKE');
      $block['content'] = BLOCKFUNCTION;
    break;
  }
  return $block;
}

// _-______defining permissions_______________________________
/**
 * Implentation of hook_permission().
 */
function MODULE_permission() {
  return array(
    'PERMISSIONS STRING' => array(
      'title' => t('PERMISSIONS STRING'),
      'description' => t('DESCRIPTION.'),
    ),
  );
}

// _-______Preprocess nodes_______________________________
/**
 * Implements hook_preprocess_node().
 */
function MODULE_preprocess_node(&$vars) {
   if ($vars['node']->type == 'CONTENT TYPE') {
    //code
   }
}

// _-______Alter forms_______________________________
/**
 * Implements hook_form_alter().
 */
function MODULE_form_alter(&$form, &$form_state, $form_id) {
  //print ($form_id); //use me to get the id of the your you want
  switch ($form_id){
    case 'FORM ID':
      //code
    break;
  }
}

// _-______Alter views_______________________________
/**
 * Implements hook_preprocess_views_view().
 */
function MODULE_preprocess_views_view(&$variables) {
  //print_r($variables['name'].': '. $variables['display_id'].'<br/> ');
  switch($variables['name']){
    case 'VIEW NAME':
      if($variables['display_id'] == 'VIEW DISPLAY'){
        CODE
      }
  }
}
  
// _-______Include js and css_______________________________
drupal_add_js(drupal_get_path('module', 'mymodule') .'/mymodule.js', array(
  'type' => 'inline',
  'external' => false, 
  'scope' => 'footer',
  'weight' => 5
));

drupal_add_css(drupal_get_path('module', 'mymodule') .'/mymodule.css', array(
  'type' => 'file', 'inline' or 'external',
  'basename' => 'name',
  'group' => CSS_SYSTEM, CSS_DEFAULT, CSS_THEME,
  'every_page' => FALSE,
  'weight' => 5,
  'media' => 'all', 'print', 'screen',
  'preprocess' => TRUE,
  'browsers' = '!IE'
));

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