69 lines
1.6 KiB
PHP
69 lines
1.6 KiB
PHP
<?php
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namespace AIOSEO\Plugin\Common\Traits\Helpers;
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// Exit if accessed directly.
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Contains helper methods for images.
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*
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* @since 4.8.8
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*/
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trait Images {
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/**
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* Gets the base64 encoded image data from an attachment.
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*
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* @since 4.8.8
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*
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* @param int $attachmentId The attachment ID.
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* @return string|false The base64 encoded image data on success, false on failure.
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*/
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public function getBase64FromAttachment( $attachmentId ) {
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if ( ! $attachmentId ) {
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return false;
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}
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$filePath = get_attached_file( $attachmentId );
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if ( ! $filePath ) {
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return false;
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}
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$imageContent = aioseo()->core->fs->getContents( $filePath );
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if ( ! $imageContent ) {
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return false;
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}
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$extension = pathinfo( $filePath, PATHINFO_EXTENSION );
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return 'data:image/' . $extension . ';base64,' . base64_encode( $imageContent );
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}
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/**
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* Get the allowed image extensions.
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*
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* @since 4.8.8
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*
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* @return array The allowed image extensions.
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*/
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public function getAllowedImageExtensions() {
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$extensions = [];
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foreach ( get_allowed_mime_types() as $extPattern => $mimeType ) {
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// Fast check: only process if the mime type starts with 'image/'.
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if ( strpos( $mimeType, 'image/' ) !== 0 ) {
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continue;
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}
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// Handle single or multiple extensions (e.g., 'jpg' or 'jpg|jpeg|jpe').
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if ( strpos( $extPattern, '|' ) !== false ) {
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$extensions = array_merge( $extensions, explode( '|', $extPattern ) );
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} else {
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$extensions[] = $extPattern;
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}
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}
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return array_unique( $extensions );
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}
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} |