Array | php

1. Declare Simple Array (indexed arrays): $something = array(10, 20, 30);
1. Display Second Element: echo $something[1];
2. Output: 20.
2. Declare Array and assign value
1. $var = array();
2. $var[] = 'deer';
3. Declare Simple Array (associative arrays): $something = array(“a”=>10, “b”=>20, “c”=>30);
1. Display Second Element: echo “I got “.$something[‘a’].” in Physics.”;
2. Output: I got 10 in Physics.
4. Find out the number of elements of an array is used by count() function : echo count($something);
5. If only echo $something;
1. Output: Array.
2. User echo $something[0];
6. $a = "Iftekhar";
1. $something = (array) $a;
2. echo $something[0];
3. Output: Iftekhar.
7. Marge array
1. $defaults = array_merge( $defaults, array(
     'infinite-scroll' => array(
      'container'  => '.entries-wrapper',
       'total-posts' => $wp_query->found_posts,
      'posts-per-page'=> $wp_query->query_vars['posts_per_page'],
      'method'  => $settings['inf_scroll_method']
     )
8. Change key to value and value to key of an Array
1. $flipped  = array_flip($myArray);
9. Marge a new value into Array
1. $output[] = $abc
10. Returns an array if containing the keys
1. $curArray = array_keys('$myArray', 'galib');
11. Specific value search
1. Return TRUE/False
2. Case-sensitive
3. if( in_array( "mizan", $myArrat ) ){echo "Found"; }