Bug #75220 [NEW]: is_callable crash for 'parent'

From: maybeonly at gmail dot com Operating system: centos 7/fedora 26 PHP version: 7.1.9 Package: Reproducible crash Bug Type: Bug Bug description:is_callable crash for 'parent' Description: ------------ Please see code below. It also crashes in php 7.0.23. Test script: --------------- $a = new A(); $a->bar('foo'); class B {}; class A extends B { function bar($func) { var_dump('foo'); #ok var_dump(is_callable('parent::foo')); #ok var_dump(is_callable(array('parent', 'foo'))); #crash } function __call($func, $args) { //if this function does not exist, it won't crash } }; Expected result: ---------------- string(3) "foo" bool(false) bool(false) Actual result: -------------- crashed -- Edit bug report at https://bugs.php.net/bug.php?id=75220&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=75220&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=75220&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=75220&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=75220&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=75220&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=75220&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=75220&r=needscript Try newer version: https://bugs.php.net/fix.php?id=75220&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=75220&r=support Expected behavior: https://bugs.php.net/fix.php?id=75220&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=75220&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=75220&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=75220&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=75220&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=75220&r=dst IIS Stability: https://bugs.php.net/fix.php?id=75220&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=75220&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=75220&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=75220&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=75220&r=mysqlcfg