<?php

file_put_contents( $file, $text, FILE_APPEND );

$fp = fopen( $file, 'a+' );
stream_set_blocking( $fp, 0 );

while ( $count > $loop ) {
	if ( flock( $fp, LOCK_EX ) ) {
		fwrite( $fp, $text );
	}
	flock( $fp, LOCK_UN );
}

fclose( $fp );