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<?php $path = "/tmp/foo.txt"; file_put_contents($path, "123456"); $file = fopen($path, "r"); flock($file, LOCK_SH | LOCK_NB); `php -r "var_dump(file_put_contents('$file', 'baz'));"`; // should fail because locked clearstatcache(FALSE, $path); $fileSize = filesize($path); // should return 6 bytes but returns 0 echo $fileSize . "\n"; $contents = fread($file, $fileSize); flock($file, LOCK_UN); fclose($file); echo $contents;
Output for git.master_jit, git.master, rfc.property-hooks
Warning: shell_exec(): Unable to execute 'php -r "var_dump(file_put_contents('Resource id #6', 'baz'));"' in /in/OR0ZU on line 10 6 123456

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