wp-includes/class-wp-editor.php:1576Print (output) the TinyMCE configuration and initialization scripts.
3 hooks fire while _WP_Editors::editor_js() runs, in this order:
Fires immediately before the TinyMCE settings are printed.
Fires after tinymce.js is loaded, but before any TinyMCE editor instances are created.
Fires after any core TinyMCE editor instances are created.
public static function editor_js() { global $tinymce_version; $tmce_on = ! empty( self::$mce_settings ); $mce_init = ''; $qt_init = ''; if ( $tmce_on ) { foreach ( self::$mce_settings as $editor_id => $init ) { $options = self::_parse_init( $init ); $mce_init .= "'$editor_id':{$options},"; } $mce_init = '{' . trim( $mce_init, ',' ) . '}'; } else { $mce_init = '{}'; } if ( ! empty( self::$qt_settings ) ) { foreach ( self::$qt_settings as $editor_id => $init ) { $options = self::_parse_init( $init ); $qt_init .= "'$editor_id':{$options},"; } $qt_init = '{' . trim( $qt_init, ',' ) . '}'; } else { $qt_init = '{}'; } $ref = array( 'plugins' => implode( ',', self::$plugins ), 'theme' => 'modern', 'language' => self::$mce_locale, ); $suffix = SCRIPT_DEBUG ? '' : '.min'; $baseurl = self::get_baseurl(); $version = 'ver=' . $tinymce_version; /** * Fires immediately before the TinyMCE settings are printed. * * @since 3.2.0 * * @param array $mce_settings TinyMCE settings array. */ do_action( 'before_wp_tiny_mce', self::$mce_settings ); ?> <script type="text/javascript"> tinyMCEPreInit = { baseURL: "<?php echo $baseurl; ?>", suffix: "<?php echo $suffix; ?>", <?php if ( self::$drag_drop_upload ) { echo 'dragDropUpload: true,'; } ?> mceInit: <?php echo $mce_init; ?>, qtInit: <?php echo $qt_init; ?>, ref: <?php echo self::_parse_init( $ref ); ?>, load_ext: function(url,lang){var sl=tinymce.ScriptLoader;sl.markDone(url+'/langs/'+lang+'.js');sl.markDone(url+'/langs/'+lang+'_dlg.js');} }; </script> <?php if ( $tmce_on ) { self::print_tinymce_scripts(); if ( self::$ext_plugins ) { // Load the old-format English strings to prevent unsightly labels in old style popups. echo "<script type='text/javascript' src='{$baseurl}/langs/wp-langs-en.js?$version'></script>\n"; } } /** * Fires after tinymce.js is loaded, but before any TinyMCE editor * instances are created. * * @since 3.9.0Introduced in 3.3.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-editor.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.