<?php


//allow some additional file types for upload
function bplugins_stp_mime_types( $mimes ) {
     
	// New allowed mime types.
	$mimes['pls'] = 'audio/x-scpls';
	$mimes['m3u8'] = 'application/vnd.apple.mpegurl'; 


return $mimes;
}
add_filter( 'upload_mimes', 'bplugins_stp_mime_types' );


// // Using in add_allow_upload_extension_exception function.
// function wamt_remove_underscore($filename, $filename_raw){
// 	return str_replace("_.", ".", $filename);
// }
// add_filter( 'sanitize_file_name', 'wamt_remove_underscore', 10, 2 );


function bplugins_stp_add_allow_upload_extension_exception($data, $file, $filename,$mimes,$real_mime=null){
	// If file extension is 2 or more 
	$f_sp = explode(".", $filename);
	$f_exp_count  = count ($f_sp);

	if($f_exp_count <= 1){
		return $data;
	}else{
		$f_name = $f_sp[0];
		$ext  = $f_sp[$f_exp_count - 1];
	}

	if($ext == 'pls'){
		$type = 'audio/x-scpls';
		$proper_filename = '';
		return compact('ext', 'type', 'proper_filename');
	}else if($ext == 'm3u8'){
		$type = 'application/vnd.apple.mpegurl';
		$proper_filename = '';
		return compact('ext', 'type', 'proper_filename');
	}else {
		return $data;
	}
}

// It's different arguments between WordPress 5.1 and previous versions.
global $wp_version;
if ( version_compare( $wp_version, '5.1') >= 0):
	add_filter( 'wp_check_filetype_and_ext', 'bplugins_stp_add_allow_upload_extension_exception',10,5);
else:
	add_filter( 'wp_check_filetype_and_ext', 'bplugins_stp_add_allow_upload_extension_exception',10,4);
endif;