1--TEST-- 2Bug #75539 - Recursive call errors are not reported by preg_last_error() 3--SKIPIF-- 4<?php 5if (10 == PCRE_VERSION_MAJOR && 37 == PCRE_VERSION_MINOR) { 6 die("skip "); 7} 8?> 9--FILE-- 10<?php 11 12var_dump(preg_match('/((?1)?z)/', '')); 13var_dump(preg_last_error() === \PREG_INTERNAL_ERROR); 14 15?> 16--EXPECT-- 17int(0) 18bool(false) 19
