How to handle parameters in shortcode function

Question

I'm doing my first shortcode for WordPress. The function that I'm doing will return different translation of a string depending on the parameter se for swedish or en for english. So I'm going to use a simple if statement or a switch statement, but which of the two option below are the best and what's the difference between them? Should I use $a or language to check the in parameter? The default value is se for swedish.

$a = shortcode_atts( array(
'language' => 'se',
), $atts );

or

extract(shortcode_atts(array("language"=>"se"),$atts));

rnevius · Accepted Answer · 2014-10-23 20:24:06Z

1

$a['language'] will give you the value of the language key.

Or a full example:

// [my_shortcode language="value"]
function my_shortcode_function( $atts ) {
    $a = shortcode_atts( array(
        'language' => 'se',
    ), $atts );

    if ( $a['language'] == 'en' ) {
        $language = 'Hello';
    } elseif ( $a['language'] == 'se' ) {
        $language = 'Hej';
    } else {
        $language = 'Incorrect language specified';
    }

    return $language;
}
add_shortcode( 'my_shortcode', 'my_shortcode_function' );

edited Oct 23, 2014 at 20:24

answered Oct 23, 2014 at 19:59

rnevius

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8 Comments

3D-kreativ Over a year ago

Nice, but I was was more looking for two options like if parameter is 'se' the the return should be a string in swedish or if the parameter is 'en' the return should be a string in english

rnevius Over a year ago

Then write a conditional...in place of the return above

rnevius Over a year ago

if ( $a['language'] == 'en' ) { //do something } elseif ( $a['language'] == 'se' ) { //do something else } else { // return }

3D-kreativ Over a year ago

OK, like this then: if ( $a['language'] == 'en' ) { $language = "Hello"; } elseif ( $a['language'] == 'se' ) { $language = "Hej"; } else { // $language = "A default value"; } return $language;

3D-kreativ Over a year ago

Perhaps an option also if the is an empty parameter that will return a default value? Like elseif ( $a['language'] == '' ) { $language = "Tag" } Tag = hello in german

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