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<?php namespace Code_Snippets; /** * Handles exporting snippets from the site in various downloadable formats * * @package Code_Snippets * @since 3.0.0 */ class Export { /** * Array of snippet data fetched from the database * * @var array */ protected $snippets_list; /** * Class constructor * * @param array|int $ids List of snippet IDs to export. * @param string $table_name Name of the database table to fetch snippets from. */ public function __construct( $ids, $table_name = '' ) { $this->fetch_snippets( $ids, $table_name ); } /** * Fetch the selected snippets from the database * * @param array|int $ids List of snippet IDs to export. * @param string $table_name Name of database table to fetch snippets from. */ private function fetch_snippets( $ids, $table_name ) { if ( '' === $table_name ) { $table_name = code_snippets()->db->get_table_name(); } if ( ! is_array( $ids ) ) { $ids = array( $ids ); } $this->snippets_list = get_snippets( $ids, $table_name ); } /** * Build the export filename. * * @param string $format File format. Used for file extension. * * @return string */ public function build_filename( $format ) { if ( 1 === count( $this->snippets_list ) ) { /* If there is only snippet to export, use its name instead of the site name */ $title = strtolower( $this->snippets_list[0]->name ); } else { /* Otherwise, use the site name as set in Settings > General */ $title = strtolower( get_bloginfo( 'name' ) ); } $filename = "$title.code-snippets.$format"; return apply_filters( 'code_snippets/export/filename', $filename, $title, $this->snippets_list ); } /** * Bundle snippets together into JSON format. * * @return string Snippets as JSON object. */ public function export_snippets_json() { $snippets = array(); foreach ( $this->snippets_list as $snippet ) { $fields = array( 'name', 'desc', 'tags', 'scope', 'code', 'priority' ); $final_snippet = array(); foreach ( $fields as $field ) { if ( ! empty( $snippet->$field ) ) { $final_snippet[ $field ] = str_replace( "\r\n", "\n", $snippet->$field ); } } if ( $final_snippet ) { $snippets[] = $final_snippet; } } $data = array( 'generator' => 'Code Snippets v' . code_snippets()->version, 'date_created' => gmdate( 'Y-m-d H:i' ), 'snippets' => $snippets, ); return wp_json_encode( $data, apply_filters( 'code_snippets/export/json_encode_options', 0 ) ); } /** * Bundle a snippets into a PHP file. */ public function export_snippets_php() { $result = "<?php\n"; /* @var Snippet $snippet */ foreach ( $this->snippets_list as $snippet ) { $code = trim( $snippet->code ); if ( 'php' !== $snippet->type && 'html' !== $snippet->type || ! $code ) { continue; } $result .= "\n/**\n * $snippet->display_name\n"; if ( ! empty( $snippet->desc ) ) { /* Convert description to PhpDoc */ $desc = wp_strip_all_tags( str_replace( "\n", "\n * ", $snippet->desc ) ); $result .= " *\n * $desc\n"; } $result .= " */\n"; if ( 'content' === $snippet->scope ) { $shortcode_tag = apply_filters( 'code_snippets_export_shortcode_tag', "code_snippets_export_$snippet->id", $snippet ); $code = sprintf( "add_shortcode( '%s', function () {\n\tob_start();\n\t?>\n\n\t%s\n\n\t<?php\n\treturn ob_get_clean();\n} );", $shortcode_tag, str_replace( "\n", "\n\t", $code ) ); } $result .= "$code\n"; } return $result; } /** * Generate a downloadable CSS or JavaScript file from a list of snippets * * @phpcs:disable WordPress.Security.EscapeOutput.OutputNotEscaped * * @param string $type Snippet type. Supports 'css' or 'js'. */ public function export_snippets_code( $type = null ) { $result = ''; if ( ! $type ) { $type = $this->snippets_list[0]->type; } if ( 'php' === $type || 'html' === $type ) { return $this->export_snippets_php(); } /* Loop through the snippets */ foreach ( $this->snippets_list as $snippet ) { $snippet = new Snippet( $snippet ); if ( $snippet->type !== $type ) { continue; } $result .= "\n/*\n"; if ( $snippet->name ) { $result .= wp_strip_all_tags( $snippet->name ) . "\n\n"; } if ( ! empty( $snippet->desc ) ) { $result .= wp_strip_all_tags( $snippet->desc ) . "\n"; } $result .= "*/\n\n{$snippet->code}\n\n"; } return $result; } }
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