1--TEST-- 2Bug #42177 (Warning "array_merge_recursive(): recursion detected" comes again...) 3--FILE-- 4<?php 5 6$a1 = array( 'key1' => 1, 'key3' => 2 ); 7$a2 = array(); 8$a1 = array_merge_recursive( $a1, $a2 ); 9$a1 = array_merge_recursive( $a1, $a2 ); 10unset( $a1, $a2 ); 11 12$a1 = array(); 13$a2 = array( 'key1' => 1, 'key3' => 2 ); 14$a1 = array_merge_recursive( $a1, $a2 ); 15$a1 = array_merge_recursive( $a1, $a2 ); 16unset( $a1, $a2 ); 17 18$a1 = array(); 19$a2 = array( 'key1' => &$a1 ); 20$a1 = array_merge_recursive( $a1, $a2 ); 21try { 22 $a1 = array_merge_recursive( $a1, $a2 ); 23} catch (\Error $e) { 24 echo $e->getMessage() . " on line " . $e->getLine() . "\n"; 25} 26unset( $a1, $a2 ); 27 28$x = 'foo'; 29$y =& $x; 30$a1 = array($x, $y, $x, $y); 31$a2 = array( 'key1' => $a1, $x, $y ); 32$a1 = array_merge_recursive( $a1, $a2 ); 33$a1 = array_merge_recursive( $a1, $a2 ); 34unset( $a1, $a2 ); 35 36?> 37--EXPECT-- 38Recursion detected on line 19 39
