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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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474 | * The language file should follow the same format as wp_mce_translation(), |
475 | * and should define a variable ($strings) that holds all translated strings. |
476 | * |
477 | * @since 2.5.0 |
478 | * @since 5.3.0 The `$editor_id` parameter was added. |
479 | * |
480 | * @param array $translations Translations for external TinyMCE plugins. |
481 | * @param string $editor_id Unique editor identifier, e.g. 'content'. |
482 | */ |
483 | $mce_external_languages = apply_filters( 'mce_external_languages', array(), $editor_id ); |
484 |
|
485 | $loaded_langs = array(); |
486 | $strings = ''; |
487 |
|
488 | if ( ! empty( $mce_external_languages ) ) { |
489 | foreach ( $mce_external_languages as $name => $path ) { |
490 | if ( @is_file( $path ) && @is_readable( $path ) ) { |
491 | include_once $path; |
492 | $ext_plugins .= $strings . "\n"; |