1--TEST-- 2Stack limit 007 - Exception handling 3--SKIPIF-- 4<?php 5if (!function_exists('zend_test_zend_call_stack_get')) die("skip zend_test_zend_call_stack_get() is not available"); 6?> 7--EXTENSIONS-- 8zend_test 9--INI-- 10zend.max_allowed_stack_size=512K 11--FILE-- 12<?php 13 14var_dump(zend_test_zend_call_stack_get()); 15 16function replace() { 17 return preg_replace_callback('#.#', function () { 18 try { 19 $tryExecuted = true; 20 return replace(); 21 } catch (Error $e) { 22 echo $e->getMessage(), "\n"; 23 // We should not enter the catch block if we haven't executed at 24 // least one op in the try block 25 printf("Try executed: %d\n", $tryExecuted ?? 0); 26 } 27 }, 'x'); 28} 29 30replace(); 31 32?> 33--EXPECTF-- 34array(4) { 35 ["base"]=> 36 string(%d) "0x%x" 37 ["max_size"]=> 38 string(%d) "0x%x" 39 ["position"]=> 40 string(%d) "0x%x" 41 ["EG(stack_limit)"]=> 42 string(%d) "0x%x" 43} 44Maximum call stack size of %d bytes (zend.max_allowed_stack_size - zend.reserved_stack_size) reached. Infinite recursion? 45Try executed: 1 46