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1.1 misho 1: --TEST-- 2: Test htmlspecialchars_decode() function : usage variations - binary safe 3: --FILE-- 4: <?php 5: /* Prototype : string htmlspecialchars_decode(string $string [, int $quote_style]) 6: * Description: Convert special HTML entities back to characters 7: * Source code: ext/standard/html.c 8: */ 9: 10: /* 11: * testing whether htmlspecialchars_decode() is binary safe or not 12: */ 13: 14: echo "*** Testing htmlspecialchars_decode() : usage variations ***\n"; 15: 16: //various string inputs 17: $strings = array ( 18: "\tHello \$world ".chr(0)."\&!)The big brown fox jumped over the\t\f lazy dog\v\n", 19: "\tHello \"world\"\t\v \0 This is a valid\t string", 20: "This converts\t decimal to \$string".decbin(65)."Hello world", 21: b"This is a binary\t \v\fstring" 22: ); 23: 24: //loop through the strings array to check if htmlspecialchars_decode() is binary safe 25: $iterator = 1; 26: foreach($strings as $value) { 27: echo "-- Iteration $iterator --\n"; 28: if ($iterator < 4) { 29: var_dump( htmlspecialchars_decode($value) ); 30: } else { 31: var_dump( bin2hex(htmlspecialchars_decode($value))); 32: } 33: 34: $iterator++; 35: } 36: 37: echo "Done"; 38: ?> 39: --EXPECTF-- 40: *** Testing htmlspecialchars_decode() : usage variations *** 41: -- Iteration 1 -- 42: string(65) " Hello $world \&!)The big brown fox jumped over the lazy dog 43: " 44: -- Iteration 2 -- 45: string(42) " Hello "world" This is a valid string" 46: -- Iteration 3 -- 47: string(51) "This converts decimal to $string1000001Hello world" 48: -- Iteration 4 -- 49: string(52) "5468697320697320612062696e61727909200b0c737472696e67" 50: Done