wp_localize_script $handle

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Can anyone tell me what the “$handle” ( first parameter ) of wp_localize_script is normally used for. Thanks.

P.s.: I have no idea why but stackexchange is telling me this question dosen’t meet quality standards.

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Edit: When i put in my ps it accepted it so i suppose it’s the length of the quesion…. if you feel like this is an unacceptable question then apologies

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3 comments

  1. It’s basically a unique id of the script you registered or enqueued before.

    Let’s say we enqueued a two scripts with wp_enqueue_script():

    wp_enqueue_script( 'my_script_1','/js/some_script.js' );

wp_enqueue_script( 'my_script_2','/js/some_other_script.js' );

    Now you want to pass your $data to the script #2 with wp_localize_script(): 

    wp_localize_script( 'my_script_2', 'my_script_2_local', $data );

    After this – when WordPress prints out your my_script_2 it will print out your $data variables along with it so you can use them in your script.

    As you can see my_script_2 is our handle here – it makes the link between our script functions.

  2. The handle is arbitrary (as in not technically meaningful) name of script that is used for human convenience when declaring it with wp_register_script()/wp_enqueue_script().

    So first you declare script (or look up handle of already declared one) and then you can use handle to assign localization object to it with wp_localize_script()

  3. $handle is for all the script and style functions the given name. 

    // @example: 
wp_register_style( 'my-example-script', '/path/to/scripts/script.js', 'etc.' );

    Then you can use it like this:

    wp_enqueue_style( 'my-example-script' );
// or
wp_localize_script( 'my-example-script' );