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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 |
---|---|
474 | <?php |
475 | /** |
476 | * Filters the title field placeholder text. |
477 | * |
478 | * @since 3.1.0 |
479 | * |
480 | * @param string $text Placeholder text. Default 'Enter title here'. |
481 | * @param WP_Post $post Post object. |
482 | */ |
483 | $title_placeholder = apply_filters( 'enter_title_here', __( 'Enter title here' ), $post ); |
484 | ?> |
485 | <label class="screen-reader-text" id="title-prompt-text" for="title"><?php echo $title_placeholder; ?></label> |
486 | <input type="text" name="post_title" size="30" value="<?php echo esc_attr( $post->post_title ); ?>" id="title" spellcheck="true" autocomplete="off" /> |
487 | </div> |
488 | <?php |
489 | /** |
490 | * Fires before the permalink field in the edit form. |
491 | * |
492 | * @since 4.1.0 |