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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
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436 | * where 'path' is the include path to the file. |
437 | * |
438 | * The language file should follow the same format as wp_mce_translation(), |
439 | * and should define a variable ($strings) that holds all translated strings. |
440 | * |
441 | * @since 2.5.0 |
442 | * |
443 | * @param array $translations Translations for external TinyMCE plugins. |
444 | */ |
445 | $mce_external_languages = apply_filters( 'mce_external_languages', array() ); |
446 |
|
447 | $loaded_langs = array(); |
448 | $strings = ''; |
449 |
|
450 | if ( ! empty( $mce_external_languages ) ) { |
451 | foreach ( $mce_external_languages as $name => $path ) { |
452 | if ( @is_file( $path ) && @is_readable( $path ) ) { |
453 | include_once( $path ); |
454 | $ext_plugins .= $strings . "\n"; |