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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 |
|---|---|
| 2519 | |
| 2520 | // very stupid, but gives time to the 'from' server to publish ! |
| 2521 | sleep(1); |
| 2522 | |
| 2523 | // Let's check the remote site |
| 2524 | $linea = wp_remote_fopen( $pagelinkedfrom ); |
| 2525 | if ( !$linea ) |
| 2526 | return new IXR_Error(16, __('The source URL does not exist.')); |
| 2527 | |
| 2528 | $linea = apply_filters('pre_remote_source', $linea, $pagelinkedto); |
| 2529 | |
| 2530 | // Work around bug in strip_tags(): |
| 2531 | $linea = str_replace('<!DOC', '<DOC', $linea); |
| 2532 | $linea = preg_replace( '/[\s\r\n\t]+/', ' ', $linea ); // normalize spaces |
| 2533 | $linea = preg_replace( "/ <(h1|h2|h3|h4|h5|h6|p|th|td|li|dt|dd|pre|caption|input|textarea|button|body)[^>]*>/", "\n\n", $linea ); |
| 2534 | |
| 2535 | preg_match('|<title>([^<]*?)</title>|is', $linea, $matchtitle); |
| 2536 | $title = $matchtitle[1]; |
| 2537 | if ( empty( $title ) ) |