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sanitize_mime_type( string $mime_type )

Sanitize a mime type

Parameters

$mime_type

(string) (Required) Mime type

Return

(string) Sanitized mime type

Source

File: wp-includes/formatting.php 

function sanitize_mime_type( $mime_type ) {
	$sani_mime_type = preg_replace( '/[^-+*.a-zA-Z0-9\/]/', '', $mime_type );
	/**
	 * Filters a mime type following sanitization.
	 *
	 * @since 3.1.3
	 *
	 * @param string $sani_mime_type The sanitized mime type.
	 * @param string $mime_type      The mime type prior to sanitization.
	 */
	return apply_filters( 'sanitize_mime_type', $sani_mime_type, $mime_type );
}

Uses

Uses Description
wp-includes/formatting.php: sanitize_mime_type

Filters a mime type following sanitization.
wp-includes/plugin.php: apply_filters()

Calls the callback functions that have been added to a filter hook.

Changelog

Version Description
3.1.3 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/sanitize_mime_type