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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 |
|---|---|
| 512 | if ( 'right' == $seplocation ) { // sep on right, so reverse the order |
| 513 | $title_array = explode( $t_sep, $title ); |
| 514 | $title_array = array_reverse( $title_array ); |
| 515 | $title = implode( " $sep ", $title_array ) . $prefix; |
| 516 | } else { |
| 517 | $title_array = explode( $t_sep, $title ); |
| 518 | $title = $prefix . implode( " $sep ", $title_array ); |
| 519 | } |
| 520 | |
| 521 | $title = apply_filters('wp_title', $title, $sep, $seplocation); |
| 522 | |
| 523 | // Send it out |
| 524 | if ( $display ) |
| 525 | echo $title; |
| 526 | else |
| 527 | return $title; |
| 528 | |
| 529 | } |
| 530 | |