1--TEST-- 2Test is_resource() function : basic functionality 3--FILE-- 4<?php 5echo "*** Testing is_resource() : basic functionality ***\n"; 6 7class Hello { 8 public function SayHello($arg) { 9 echo "Hello\n"; 10 } 11} 12 13 14$vars = array( 15 false, 16 true, 17 10, 18 10.5, 19 "Helo World", 20 array(1,2,3,4,5), 21 NULL, 22 new Hello()); 23 24$types = array( 25 "bool=false", 26 "bool=true", 27 "integer", 28 "double", 29 "string", 30 "array", 31 "NULL", 32 "object"); 33 34echo "\nNon-resource type cases\n"; 35 36for ($i=0; $i < count($vars); $i++) { 37 if (is_resource($vars[$i])) { 38 echo $types[$i]. " test returns TRUE\n"; 39 } else { 40 echo $types[$i]. " test returns FALSE\n"; 41 } 42} 43 44$res = fopen(__FILE__, "r"); 45echo "\nResource type..var_dump after file open returns\n"; 46var_dump($res); 47echo "Resource type..after file open is_resource() returns"; 48if (is_resource($res)) { 49 echo " TRUE\n"; 50} else { 51 echo " FALSE\n"; 52} 53 54fclose($res); 55echo "\nResource type..var_dump after file close returns\n"; 56var_dump($res); 57echo "Resource type..after file close is_resource() returns"; 58if (is_resource($res)) { 59 echo " TRUE\n"; 60} else { 61 echo " FALSE\n"; 62} 63 64 65?> 66--EXPECTF-- 67*** Testing is_resource() : basic functionality *** 68 69Non-resource type cases 70bool=false test returns FALSE 71bool=true test returns FALSE 72integer test returns FALSE 73double test returns FALSE 74string test returns FALSE 75array test returns FALSE 76NULL test returns FALSE 77object test returns FALSE 78 79Resource type..var_dump after file open returns 80resource(%d) of type (%s) 81Resource type..after file open is_resource() returns TRUE 82 83Resource type..var_dump after file close returns 84resource(%d) of type (Unknown) 85Resource type..after file close is_resource() returns FALSE 86