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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 |
|---|---|
| 77 | $element_limit = 30000; |
| 78 | if ( function_exists( 'apply_filters' ) ) { |
| 79 | /** |
| 80 | * Filters the number of elements to parse in an XML-RPC response. |
| 81 | * |
| 82 | * @since 4.0.0 |
| 83 | * |
| 84 | * @param int $element_limit Default elements limit. |
| 85 | */ |
| 86 | $element_limit = apply_filters( 'xmlrpc_element_limit', $element_limit ); |
| 87 | } |
| 88 | if ( $element_limit && 2 * $element_limit < substr_count( $this->message, '<' ) ) { |
| 89 | return false; |
| 90 | } |
| 91 | |
| 92 | $this->_parser = xml_parser_create(); |
| 93 | // Set XML parser to take the case of tags in to account |
| 94 | xml_parser_set_option($this->_parser, XML_OPTION_CASE_FOLDING, false); |
| 95 | // Set XML parser callback functions |