Upload version 0.2.3
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<?php
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/*
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Plugin Name: Citations tools
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Description: The plugin add some shortcodes add a link to a paper using the doi code or to resolve doi code and publish a full citation apa formatted.
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Version: 0.2.3
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Author: Gianluigi Filippelli
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Author URI: http://dropseaofulaula.blogspot.it/
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Plugin URI:
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License: GPLv2 or later
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*/
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/* ------------------------------------------------------ */
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# ---------------------------------------------------------
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# doi
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add_shortcode('doi', 'doi');
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function doi ($atts, $content = null) {
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extract(
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shortcode_atts(
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array(
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'code' => null
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),
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$atts
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)
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);
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$link = '<a href="https://dx.doi.org/'.$code.'/" target="doi">'.$content.'</a>';
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return $link;
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}
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# doi resolve
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add_shortcode('doiresolve', 'doiresolve');
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function doiresolve ($atts, $content = null) {
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extract(
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shortcode_atts(
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array(
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'code' => null,
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'arxiv' => null,
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'pdfurl' => null
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),
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$atts
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)
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);
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$fullCitation = null;
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$getfile = 'https://search.crossref.org/dois?sort=score&page=1&rows=1&q='.$code;
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$jsondata = file_get_contents($getfile);
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$array = json_decode($jsondata,true);
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$item=$array[0];
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$doi = $item['doi'];
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$coins = $item['coins'];
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$fullCitation =$item['fullCitation'];
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$citation = '<p>'.$fullCitation.' doi:<a href="https://dx.doi.org/'.$code.'" target="doi">'.$code.'</a>';
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if ( $arxiv <> null )
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{$citation = $citation.' (<a href="https://arxiv.org/abs/'.$arxiv.'" target="arxiv">arXiv</a>)';}
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else
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{$citation = $citation;}
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if ( $pdfurl <> null )
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{$citation = $citation.' (<a href="'.$pdfurl.'" target="pdf">pdf</a>)';}
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else
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{$citation = $citation;}
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$results = $citation.'</p>';
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return $results;
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}
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/* ------------------------------------------------------ */
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=== Citations tools ===
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Contributors: ulaulaman
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Tags: doi, citations, research
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Requires at least: 4.8.5
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Tested up to: 4.9.2
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Requires PHP: 7.0.18
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Stable tag: trunk
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License: GPLv2 or later
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License URI: http://www.gnu.org/licenses/gpl-2.0.html
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The plugin add some shortcodes add a link to a paper using the doi code or to resolve doi code and publish a full citation apa formatted.
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== Description ==
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Using the standard for doi link, the plugin introduce a shortcode in order to create a link to a paper provided by doi.
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How to use the shortcode:
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[doi code="..."]Title of the paper[/doi]
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Using the [crossref.org](https://www.crossref.org/) api, the plugin add also a shortcode that resolve a doi code and publish a full citation formatted using the apa standard.
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How to use the shortcode:
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[doiresolve code="..."]
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There are also two optional parameters:
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[doiresolve code="..." arxiv="..."]
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if the paper has an arXiv version
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[doiresolve code="..." pdfurl="..."]
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if the paper has a free pdf version
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== Installation ==
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1. Extract the citations-tools.zip file and upload its contents to the /wp-content/plugins/ directory. Alternately, you can install directly from the Plugin directory within your WordPress Install.
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2. Activate the plugin through the "Plugins" menu in WordPress.
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3. Use the shortcode into your posts or pages.
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== Changelog ==
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0.2.3 add pdf link in doi resolver as ahortcode's parameter
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0.2.2 add arXiv link in doi resolver as shortcode's parameter
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0.2.1 add doi link in doi resolver
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0.2 add shortcode to resolve doi using code
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0.1 shortcode for doi link
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