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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
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978 | * @type string $name The original name of the file on the client machine. |
979 | * @type string $type The mime type of the file, if the browser provided this information. |
980 | * @type string $tmp_name The temporary filename of the file in which the uploaded file was stored on the server. |
981 | * @type int $size The size, in bytes, of the uploaded file. |
982 | * @type int $error The error code associated with this file upload. |
983 | * } |
984 | * @param string $new_file Filename of the newly-uploaded file. |
985 | * @param string $type Mime type of the newly-uploaded file. |
986 | */ |
987 | $move_new_file = apply_filters( 'pre_move_uploaded_file', null, $file, $new_file, $type ); |
988 |
|
989 | if ( null === $move_new_file ) { |
990 | if ( 'wp_handle_upload' === $action ) { |
991 | $move_new_file = @move_uploaded_file( $file['tmp_name'], $new_file ); |
992 | } else { |
993 | // Use copy and unlink because rename breaks streams. |
994 | // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged |
995 | $move_new_file = @copy( $file['tmp_name'], $new_file ); |
996 | unlink( $file['tmp_name'] ); |