1--TEST-- 2Test substr_replace() function : error conditions 3--FILE-- 4<?php 5/* Prototype : mixed substr_replace ( mixed $string , string $replacement , int $start [, int $length ] ) 6 * Description: Replace text within a portion of a string 7 * Source code: ext/standard/string.c 8*/ 9 10/* 11 * Testing substr_replace() for error conditions 12*/ 13 14echo "*** Testing substr_replace() : error conditions ***\n"; 15 16$s1 = "Good morning"; 17 18echo "\n-- Testing substr_replace() function with less than expected no. of arguments --\n"; 19var_dump(substr_replace()); 20var_dump(substr_replace($s1, "evening")); 21 22echo "\n-- Testing substr_replace() function with more than expected no. of arguments --\n"; 23var_dump(substr_replace($s1, "evening", 5, 7, true)); 24 25echo "\n-- Testing substr_replace() function with start and length different types --\n"; 26var_dump(substr_replace($s1, "evening", array(5))); 27var_dump(substr_replace($s1, "evening", 5, array(8))); 28 29echo "\n-- Testing substr_replace() function with start and length with a different number of elments --\n"; 30var_dump(substr_replace($s1, "evening", array(5, 1), array(8))); 31 32echo "\n-- Testing substr_replace() function with start and length as arrays but string not--\n"; 33var_dump(substr_replace($s1, "evening", array(5), array(8))); 34 35?> 36===DONE=== 37--EXPECTF-- 38*** Testing substr_replace() : error conditions *** 39 40-- Testing substr_replace() function with less than expected no. of arguments -- 41 42Warning: substr_replace() expects at least 3 parameters, 0 given in %s on line %d 43NULL 44 45Warning: substr_replace() expects at least 3 parameters, 2 given in %s on line %d 46NULL 47 48-- Testing substr_replace() function with more than expected no. of arguments -- 49 50Warning: substr_replace() expects at most 4 parameters, 5 given in %s on line %d 51NULL 52 53-- Testing substr_replace() function with start and length different types -- 54 55Warning: substr_replace(): 'from' and 'len' should be of same type - numerical or array in %s on line %d 56string(12) "Good morning" 57 58Warning: substr_replace(): 'from' and 'len' should be of same type - numerical or array in %s on line %d 59string(12) "Good morning" 60 61-- Testing substr_replace() function with start and length with a different number of elments -- 62 63Warning: substr_replace(): 'from' and 'len' should have the same number of elements in %s on line %d 64string(12) "Good morning" 65 66-- Testing substr_replace() function with start and length as arrays but string not-- 67 68Warning: substr_replace(): Functionality of 'from' and 'len' as arrays is not implemented in %s on line %d 69string(12) "Good morning" 70===DONE===