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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 |
|---|---|
| 541 | |
| 542 | // WP fix for the bug with HTML comments |
| 543 | $newtext = str_replace("< !--","<!--",$newtext); |
| 544 | $newtext = str_replace("< !--","< !--",$newtext); |
| 545 | |
| 546 | return $newtext; |
| 547 | } |
| 548 | |
| 549 | function format_to_edit($content, $richedit = false) { |
| 550 | $content = apply_filters('format_to_edit', $content); |
| 551 | if (! $richedit ) |
| 552 | $content = htmlspecialchars($content); |
| 553 | return $content; |
| 554 | } |
| 555 | |
| 556 | function format_to_post($content) { |
| 557 | global $wpdb; |
| 558 | $content = apply_filters('format_to_post', $content); |
| 559 | return $content; |