Bug #78672 [Opn->Nab]: file_get_contents returns NULL instead of FALSE

Edit report at https://bugs.php.net/bug.php?id=78672&edit=1 ID: 78672 Updated by: cmb@php.net Reported by: php dot net-11012019 at 0pe dot de Summary: file_get_contents returns NULL instead of FALSE -Status: Open +Status: Not a bug Type: Bug Package: Streams related Operating System: Arch Linux PHP Version: 7.3.10 -Assigned To: +Assigned To: cmb Block user comment: N Private report: N New Comment: Thank you for taking the time to write to us, but this is not a bug. Please double-check the documentation available at http://www.php.net/manual/ and the instructions on how to report a bug at http://bugs.php.net/how-to-report.php See the note on <https://www.php.net/manual/en/functions.internal.php>. Previous Comments: ------------------------------------------------------------------------ [2019-10-14 12:04:02] php dot net-11012019 at 0pe dot de Description: ------------ When injecting 0 byte in first parameter of file_get_contents this will produce a warning and should return FALSE according PHP documentation. But the return is NULL. Test script: --------------- $fc1 = file_get_contents("not-existing-file.txt"); $fc2 = file_get_contents("not-existing-file.txt\0"); echo PHP_EOL; var_dump($fc1); var_dump($fc2); Expected result: ---------------- PHP Warning: file_get_contents(not-existing-file.txt): failed to open stream: No such file or directory in /home/arch/php-fgc-test.php on line 2 PHP Warning: file_get_contents() expects parameter 1 to be a valid path, string given in /home/arch/php-fgc-test.php on line 3 bool(false) bool(false) Actual result: -------------- PHP Warning: file_get_contents(not-existing-file.txt): failed to open stream: No such file or directory in /home/arch/php-fgc-test.php on line 2 PHP Warning: file_get_contents() expects parameter 1 to be a valid path, string given in /home/arch/php-fgc-test.php on line 3 bool(false) NULL ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=78672&edit=1