75 lines
1.8 KiB
PHP
75 lines
1.8 KiB
PHP
<?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: 0.2.4
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Author: Gianluigi Filippelli
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Author URI: http://dropseaofulaula.blogspot.it/
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Plugin URI: https://github.com/ulaulaman/citations-tools
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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('cpdoi', 'cpdoi');
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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 $link;
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}
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# doi resolve
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add_shortcode('cpdoiresolve', 'cpdoiresolve');
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function doiresolve ($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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