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stolen func to get id of attachment

This commit is contained in:
Vasil Kolev 2014-10-12 13:00:11 +03:00 committed by Openfest
parent 3756bffab2
commit 521d306513
1 changed files with 29 additions and 0 deletions
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29
functions.php
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@ -237,6 +237,34 @@ function e_($word) {
echo $word;
}
function pn_get_attachment_id_from_url( $attachment_url = '' ) {
global $wpdb;
$attachment_id = false;
// If there is no url, return.
if ( '' == $attachment_url )
return;
// Get the upload directory paths
$upload_dir_paths = wp_upload_dir();
// Make sure the upload path base directory exists in the attachment URL, to verify that we're working with a media library image
if ( false !== strpos( $attachment_url, $upload_dir_paths['baseurl'] ) ) {
// If this is the URL of an auto-generated thumbnail, get the URL of the original image
$attachment_url = preg_replace( '/-\d+x\d+(?=\.(jpg|jpeg|png|gif)$)/i', '', $attachment_url );
// Remove the upload path base directory from the attachment URL
$attachment_url = str_replace( $upload_dir_paths['baseurl'] . '/', '', $attachment_url );
// Finally, run a custom database query to get the attachment ID from the modified attachment URL
$attachment_id = $wpdb->get_var( $wpdb->prepare( "SELECT wposts.ID FROM $wpdb->posts wposts, $wpdb->postmeta wpostmeta WHERE wposts.ID = wpostmeta.post_id AND wpostmeta.meta_key = '_wp_attached_file' AND wpostmeta.meta_value = '%s' AND wposts.post_type = 'attachment'", $attachment_url ) );
}
return $attachment_id;
}
add_action( 'init', 'transportation_posttype' );
if (function_exists("pll_register_string")) {
@ -255,3 +283,4 @@ if (function_exists("pll_register_string")) {
?>