w3resource

PHP Exercises : Get the names of the functions of a module

PHP : Exercise-29 with Solution

Write a PHP script to get the names of the functions of a module.

Note : Find XML, JSON functions

Sample Solution: -

PHP Code:

<?php
print_r(get_extension_funcs("JSON"));
echo "\n";
print_r(get_extension_funcs("XML"))."\n";
?>

Sample Output:

Array                                                       
(                                                           
    [0] => json_encode                                      
    [1] => json_decode                                      
    [2] => json_last_error                                  
    [3] => json_last_error_msg                              
)                                                           
                                                            
Array                                                       
(                                                           
    [0] => xml_parser_create                                
    [1] => xml_parser_create_ns                             
    [2] => xml_set_object                                   
    [3] => xml_set_element_handler                          
    [4] => xml_set_character_data_handler                   
    [5] => xml_set_processing_instruction_handler           
    [6] => xml_set_default_handler                          
    [7] => xml_set_unparsed_entity_decl_handler
	[8] => xml_set_notation_decl_handler                    
    [9] => xml_set_external_entity_ref_handler              
    [10] => xml_set_start_namespace_decl_handler            
    [11] => xml_set_end_namespace_decl_handler              
    [12] => xml_parse                                       
    [13] => xml_parse_into_struct                           
    [14] => xml_get_error_code                              
    [15] => xml_error_string                                
    [16] => xml_get_current_line_number                     
    [17] => xml_get_current_column_number                   
    [18] => xml_get_current_byte_index                      
    [19] => xml_parser_free                                 
    [20] => xml_parser_set_option                           
    [21] => xml_parser_get_option                           
    [22] => utf8_encode                                     
    [23] => utf8_decode                                     
)

Flowchart:

Flowchart: Get the names of the functions of a module

PHP Code Editor:

Have another way to solve this solution? Contribute your code (and comments) through Disqus.

Previous: Write a PHP script to get the directory path used for temporary files.
Next: Write a PHP script to get the time of the last modification of the current page.

What is the difficulty level of this exercise?

Test your Programming skills with w3resource's quiz.



Follow us on Facebook and Twitter for latest update.

PHP: Tips of the Day

Returns all elements in an array except for the first one

Example:

<?php
function tips_tail($items)
{
  return count($items) > 1 ? array_slice($items, 1) : $items;
}

print_r(tips_tail([1, 5, 7]));
?> 

Output:

Array
(
    [0] => 5
    [1] => 7
)