Bug #81695 [NEW]: substring issue

From: felipeg at hemodynamics dot cl Operating system: linux, macos PHP version: 7.3.33 Package: *Unicode Issues Bug Type: Bug Bug description:substring issue Description: ------------ --- From manual page: https://php.net/function.substr --- I tested this problem on linux server, macOs and debian 9.9. it looks like when substr evaluate "ñó", php translate as ?> and shows no output. Test script: --------------- echo substr("Diagnóstico: Infección del muñón, infracondilea izquierda\n", 0, 34); echo substr("Diagnóstico: Infección del muñón, infracondilea izquierda\n", 0, 34); Expected result: ---------------- Diagnóstico: Infección del muñ?Diagnóstico: Infección del muñ?Diagnóstico: Infección del muñ?Diagnóstico: Infección del muñ? Actual result: -------------- Diagnóstico: Infección del muñ?Diagnóstico: Infección del muñ? -- Edit bug report at https://bugs.php.net/bug.php?id=81695&edit=1 -- Fix committed: https://bugs.php.net/fix.php?id=81695&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=81695&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=81695&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=81695&r=needscript Try newer version: https://bugs.php.net/fix.php?id=81695&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=81695&r=support Expected behavior: https://bugs.php.net/fix.php?id=81695&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=81695&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=81695&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=81695&r=globals PHP version support discontinued: https://bugs.php.net/fix.php?id=81695&r=phptooold Daylight Savings: https://bugs.php.net/fix.php?id=81695&r=dst IIS Stability: https://bugs.php.net/fix.php?id=81695&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=81695&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=81695&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=81695&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=81695&r=mysqlcfg