Bug #75473 [NEW]: Strange behavior of file_put_contents

From: namonexarap at gmail dot com Operating system: Windows 7 PHP version: 7.1.11 Package: Filesystem function related Bug Type: Bug Bug description:Strange behavior of file_put_contents Description: ------------ See the test script. Contents of file "my.txt" before running the test script ------------------------- abc ------------------------- Test script: --------------- $data = file_get_contents("my.txt"); $data2 = $data.'Q'; file_put_contents("my.txt", $data2); Expected result: ---------------- Contents of file "my.txt" after running the test script ------------------------- abcQ ------------------------- Actual result: -------------- Contents of file "my.txt" after running the test script ------------------------- abcQQ ------------------------- -- Edit bug report at https://bugs.php.net/bug.php?id=75473&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75473&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75473&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75473&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75473&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75473&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75473&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75473&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75473&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75473&r=support Expected behavior: https://bugs.php.net/fix.php?id=75473&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75473&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75473&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75473&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75473&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75473&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75473&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75473&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75473&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75473&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75473&r=mysqlcfg