out.txt

piscisaureus@test:~/334240 (master) $ cat bla                                                                                                                                                                            
bla                                                                                                                                                                                                                      
piscisaureus@test:~/334240 (master) $ cat test.php                                                                                                                                                                       
<?php                                                                                                                                                                                                                    
                                                                                                                                                                                                                         
var_dump(file_get_contents("bla"));                                                                                                                                                                                      
var_dump(file_get_contents("bla\0bar"));                                                                                                                                                                                 
                                                                                                                                                                                                                         
?>
piscisaureus@test:~/334240 (master) $ php test.php                                                                                                                                                                     
string(4) "bla                                                                                                                                                                                                           
"                                                                                                                                                                                                                        
string(4) "bla                                                                                                                                                                                                           
"                                                                                                                                                                                                                        
piscisaureus@test:~/334240 (master) $