The function is_gutenberg_page is from the Gutenberg plugin, while the is_block_editor method is available from 5.0. This function below combines both into a single checking function.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | function is_gutenberg_page() { if ( function_exists( 'is_gutenberg_page' ) && is_gutenberg_page() ) { // The Gutenberg plugin is on. return true; } $current_screen = get_current_screen(); if ( method_exists( $current_screen, 'is_block_editor' ) && $current_screen->is_block_editor() ) { // Gutenberg page on 5+. return true; } return false; } |
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