PHP Native some common keywords

List

Assign the values in the array to some variables:

   <?php$my_array = Array ("Dog", "Cat", "Horse");  List ($a, $b, $c)  = $my _array;echo "I have several animals, a $a, a $b and a $c.";? 
 
 
 
 fetch_row 
  
 
 
        DirName         
 such as the current file is placed under (d:\www\), the file name is test.php 
 Echo __file__; Get the absolute address of the current file, result: D:\www\test.php 
 Echo dirname (__file__);//Get the absolute directory where the current file is located, Result: D:\www\ 
 Echo dirname (dirname (__ file__)); Gets the previous level directory name of the current file, resulting: d:\  
 
 
     

Ucfirst

Capitalizes the first character of the string.

Syntax: string Ucfirst (String str);

Lcfirst ()-Converts the first character in a string to lowercase

Ucwords ()-Converts the first character of each word in a string to uppercase

Strtoupper ()-Converts a string to uppercase

Strtolower ()-Converts a string to lowercase

PHP Native some common keywords