caf3e1136c
to make footnotes/trunk/ diffable against the standardised codebase on GitHub markcheret/footnotes/. Stable Tag remains 2.5.10. git-svn-id: https://plugins.svn.wordpress.org/footnotes/trunk@2483994 b8457f37-d9ea-0310-8a92-e5e31aec5664
261 lines
7.8 KiB
PHP
261 lines
7.8 KiB
PHP
<?php
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/**
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* Includes the Template Engine to load and handle all Template files of the Plugin.
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*
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* @filesource
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* @author Stefan Herndler
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* @since 1.5.0 14.09.14 10:58
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*
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*
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* @lastmodified 2021-02-18T2024+0100
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*
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* @since 2.0.3 prettify reference container template
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* @since 2.0.3 replace tab with a space
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* @since 2.0.3 replace 2 spaces with 1
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* @since 2.0.4 collapse multiple spaces
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* @since 2.0.6 prettify other templates (footnote, tooltip script, ref container row)
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* @since 2.2.6 delete a space before a closing pointy bracket
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*
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* @since 2.2.6 support for custom templates in fixed location, while failing to add filter thanks to @misfist 2020-12-19T0606+0100
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* @link https://wordpress.org/support/topic/template-override-filter/
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*
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* @since 2.4.0 templates may be in active theme, thanks to @misfist
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* @link https://wordpress.org/support/topic/template-override-filter/#post-13846598
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*
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* @since 2.5.0 Enable template location stack, contributed by @misfist
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* @link https://wordpress.org/support/topic/template-override-filter/#post-13864301
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*
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* @since 2.5.4 collapse HTML comments and PHP/JS docblocks (only)
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*/
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/**
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* Handles each Template file for the Plugin Frontend (e.g. Settings Dashboard, Public pages, ...).
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* Loads a template file, replaces all Placeholders and returns the replaced file content.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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*/
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class MCI_Footnotes_Template {
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/**
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* Directory name for dashboard templates.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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* @var string
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*/
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const C_STR_DASHBOARD = "dashboard";
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/**
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* Directory name for public templates.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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* @var string
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*/
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const C_STR_PUBLIC = "public";
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/**
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* Contains the content of the template after initialize.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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* @var string
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*/
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private $a_str_OriginalContent = "";
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/**
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* Contains the content of the template after initialize with replaced place holders.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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* @var string
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*/
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private $a_str_ReplacedContent = "";
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/**
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* Plugin Directory
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*
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* @author Patrizia Lutz @misfist
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* @since 2.4.0d3
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*
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* @var string
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*/
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public $plugin_directory;
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/**
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* Class Constructor. Reads and loads the template file without replace any placeholder.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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* @param string $p_str_FileType Template file type (take a look on the Class constants).
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* @param string $p_str_FileName Template file name inside the Template directory without the file extension.
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* @param string $p_str_Extension Optional Template file extension (default: html)
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*
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*
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* @since 2.2.6 support for custom templates 2020-12-19T0606+0100
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* @link https://wordpress.org/support/topic/template-override-filter/
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*
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* @since 2.4.0 look for custom template in the active theme first, thanks to @misfist
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* @link https://wordpress.org/support/topic/template-override-filter/#post-13846598
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*/
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public function __construct($p_str_FileType, $p_str_FileName, $p_str_Extension = "html") {
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// no template file type and/or file name set
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if (empty($p_str_FileType) || empty($p_str_FileName)) {
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return;
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}
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/**
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* Define plugin root path
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*
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* @since 2.4.0d3
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*
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* @author Patrizia Lutz @misfist
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*/
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$this->plugin_directory = plugin_dir_path( dirname( __FILE__ ) );
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/**
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* Modularize functions
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*
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* @since 2.4.0d3
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*
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* @author Patrizia Lutz @misfist
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*/
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if( $template = $this->get_template( $p_str_FileType, $p_str_FileName, $p_str_Extension ) ) {
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$this->process_template( $template );
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} else {
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return;
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}
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}
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/**
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* Replace all placeholders specified in array.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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* @param array $p_arr_Placeholders Placeholders (key = placeholder, value = value).
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* @return bool True on Success, False if Placeholders invalid.
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*/
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public function replace($p_arr_Placeholders) {
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// no placeholders set
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if (empty($p_arr_Placeholders)) {
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return false;
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}
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// template content is empty
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if (empty($this->a_str_ReplacedContent)) {
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return false;
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}
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// iterate through each placeholder and replace it with its value
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foreach($p_arr_Placeholders as $l_str_Placeholder => $l_str_Value) {
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$this->a_str_ReplacedContent = str_replace("[[" . $l_str_Placeholder . "]]", $l_str_Value, $this->a_str_ReplacedContent);
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}
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// success
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return true;
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}
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/**
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* Reloads the original content of the template file.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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*/
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public function reload() {
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$this->a_str_ReplacedContent = $this->a_str_OriginalContent;
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}
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/**
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* Returns the content of the template file with replaced placeholders.
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*
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* @author Stefan Herndler
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* @since 1.5.0
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* @return string Template content with replaced placeholders.
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*/
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public function getContent() {
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return $this->a_str_ReplacedContent;
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}
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/**
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* Process template file
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*
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* @author Patrizia Lutz @misfist
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*
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* @since 2.4.0d3
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*
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* @param string $template
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* @return void
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*
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*
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* @since 2.0.3 replace tab with a space
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* @since 2.0.3 replace 2 spaces with 1
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* @since 2.0.4 collapse multiple spaces
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* @since 2.2.6 delete a space before a closing pointy bracket
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* @since 2.5.4 collapse HTML comments and PHP/JS docblocks (only)
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*/
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public function process_template( $template ) {
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$this->a_str_OriginalContent = preg_replace( '#<!--.+?-->#s', "", file_get_contents( $template ) );
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$this->a_str_OriginalContent = preg_replace( '#/\*\*.+?\*/#s', "", $this->a_str_OriginalContent );
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$this->a_str_OriginalContent = str_replace( "\n", "", $this->a_str_OriginalContent );
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$this->a_str_OriginalContent = str_replace( "\r", "", $this->a_str_OriginalContent );
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$this->a_str_OriginalContent = str_replace( "\t", " ", $this->a_str_OriginalContent );
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$this->a_str_OriginalContent = preg_replace( '# +#', " ", $this->a_str_OriginalContent );
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$this->a_str_OriginalContent = str_replace( " >", ">", $this->a_str_OriginalContent );
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$this->reload();
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}
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/**
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* Get the template
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*
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* @author Patrizia Lutz @misfist
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*
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* @since 2.4.0d3
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*
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* @param string $p_str_FileType
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* @param string $p_str_FileName
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* @param string $p_str_Extension
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* @return mixed false | template path
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*/
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public function get_template( $p_str_FileType, $p_str_FileName, $p_str_Extension = "html" ) {
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$located = false;
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/**
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* The directory change be modified
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* @usage to change location of templates to `template_parts/footnotes/':
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* add_filter( 'mci_footnotes_template_directory', function( $directory ) {
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* return 'template_parts/footnotes/;
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* } );
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*/
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$template_directory = apply_filters( 'mci_footnotes_template_directory', 'footnotes/templates/' );
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$custom_directory = apply_filters( 'mci_footnotes_custom_template_directory', 'footnotes-custom/' );
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$template_name = $p_str_FileType . '/' . $p_str_FileName . '.' . $p_str_Extension;
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/**
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* Look in active (child) theme
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*/
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if ( file_exists( trailingslashit( get_stylesheet_directory() ) . $template_directory . $template_name ) ) {
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$located = trailingslashit( get_stylesheet_directory() ) . $template_directory . $template_name;
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/**
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* Look in parent theme
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*/
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} elseif ( file_exists( trailingslashit( get_template_directory() ) . $template_directory . $template_name ) ) {
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$located = trailingslashit( get_template_directory() ) . $template_directory . $template_name;
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/**
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* Look in custom directory
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*/
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} elseif ( file_exists( trailingslashit( WP_PLUGIN_DIR ) . $custom_directory . 'templates/' . $template_name ) ) {
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$located = trailingslashit( WP_PLUGIN_DIR ) . $custom_directory . 'templates/' . $template_name;
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/**
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* Look in plugin
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*/
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} elseif ( file_exists( $this->plugin_directory . 'templates/' . $template_name ) ) {
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$located = $this->plugin_directory . 'templates/' . $template_name;
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}
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return $located;
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}
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} // end of class
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