Created
February 4, 2020 02:31
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Wordpress patch a missing JPG in image tag on save
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/* | |
* Patch missing JPG from img | |
* @param int $post_ID Post ID. | |
* @param WP_Post $post_after Post object following the update. | |
*/ | |
function kia_patch_missing_img_tags( $post_id, $post ) { | |
// If this is a revision, get real post ID | |
if ( $parent_id = wp_is_post_revision( $post_id ) ) { | |
$post_id = $parent_id; | |
} | |
$content = $post->post_content; | |
// Matching borrowed from https://wordpress.stackexchange.com/a/162405/6477 | |
// we need a expression to match things | |
$regex = '/src="([^"]*)"/'; | |
// we want all matches | |
preg_match_all( $regex, $content, $matches ); | |
// reversing the matches array | |
$matches = array_reverse($matches); | |
$needs_update = false; | |
if( $matches ) { | |
foreach( $matches[0] as $match ) { | |
// Skip the matches that have a trailing jpg or png | |
if( strrpos( $match, '.jpg' ) !== false || strrpos( $match, '.png' ) !== false ) { | |
continue; | |
} | |
$needs_update = true; | |
// We presume we found an image tag with no trailing image type | |
$content = str_replace( $match, $match . '.jpg', $content ); | |
} | |
if( $needs_update ) { | |
// unhook this function so it doesn't loop infinitely | |
remove_action( 'save_post', 'kia_patch_missing_img_tags', 10, 2 ); | |
// update the post, which calls save_post again | |
wp_update_post( array( 'ID' => $post_id, 'post_content' => $content ) ); | |
// re-hook this function | |
add_action( 'save_post', 'kia_patch_missing_img_tags', 10, 2 ); | |
} | |
} | |
//wp_die(var_dump($matches)); | |
} | |
add_action( 'save_post', 'kia_patch_missing_img_tags', 10, 2 ); |
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