1--TEST-- 2Test sprintf() function : usage variations - char formats with char values 3--FILE-- 4<?php 5echo "*** Testing sprintf() : char formats with char values ***\n"; 6 7// array of char values 8$char_values = array( 'a', "a", 67, -67, 99, ' ', '', 'A', "A" ); 9 10// array of char formats 11$char_formats = array( 12 "%c", "%lc", " %c", "%c ", 13 "\t%c", "\n%c", "%4c", "%30c", 14); 15 16$count = 1; 17foreach($char_values as $char_value) { 18 echo "\n-- Iteration $count --\n"; 19 20 foreach($char_formats as $format) { 21 var_dump( sprintf($format, $char_value) ); 22 } 23 $count++; 24}; 25 26echo "Done"; 27?> 28--EXPECT-- 29*** Testing sprintf() : char formats with char values *** 30 31-- Iteration 1 -- 32string(1) "" 33string(1) "" 34string(2) " " 35string(2) " " 36string(2) " " 37string(2) " 38" 39string(1) "" 40string(1) "" 41 42-- Iteration 2 -- 43string(1) "" 44string(1) "" 45string(2) " " 46string(2) " " 47string(2) " " 48string(2) " 49" 50string(1) "" 51string(1) "" 52 53-- Iteration 3 -- 54string(1) "C" 55string(1) "C" 56string(2) " C" 57string(2) "C " 58string(2) " C" 59string(2) " 60C" 61string(1) "C" 62string(1) "C" 63 64-- Iteration 4 -- 65string(1) "�" 66string(1) "�" 67string(2) " �" 68string(2) "� " 69string(2) " �" 70string(2) " 71�" 72string(1) "�" 73string(1) "�" 74 75-- Iteration 5 -- 76string(1) "c" 77string(1) "c" 78string(2) " c" 79string(2) "c " 80string(2) " c" 81string(2) " 82c" 83string(1) "c" 84string(1) "c" 85 86-- Iteration 6 -- 87string(1) "" 88string(1) "" 89string(2) " " 90string(2) " " 91string(2) " " 92string(2) " 93" 94string(1) "" 95string(1) "" 96 97-- Iteration 7 -- 98string(1) "" 99string(1) "" 100string(2) " " 101string(2) " " 102string(2) " " 103string(2) " 104" 105string(1) "" 106string(1) "" 107 108-- Iteration 8 -- 109string(1) "" 110string(1) "" 111string(2) " " 112string(2) " " 113string(2) " " 114string(2) " 115" 116string(1) "" 117string(1) "" 118 119-- Iteration 9 -- 120string(1) "" 121string(1) "" 122string(2) " " 123string(2) " " 124string(2) " " 125string(2) " 126" 127string(1) "" 128string(1) "" 129Done 130