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1.1 misho 1: --TEST-- 2: Test strncmp() function : error conditions 3: --FILE-- 4: <?php 5: /* Prototype : int strncmp ( string $str1, string $str2, int $len ); 6: * Description: Binary safe case-sensitive string comparison of the first n characters 7: * Source code: Zend/zend_builtin_functions.c 8: */ 9: 10: /* Test strncmp() function with more/less number of args and invalid args */ 11: 12: echo "*** Testing strncmp() function: error conditions ***\n"; 13: $str1 = 'string_val'; 14: $str2 = 'string_val'; 15: $len = 10; 16: $extra_arg = 10; 17: 18: var_dump( strncmp() ); //Zero argument 19: var_dump( strncmp($str1) ); //One argument, less than expected no. of args 20: var_dump( strncmp($str1, $str2) ); //Two arguments, less than expected no. of args 21: var_dump( strncmp($str1, $str2, $len, $extra_arg) ); //Four arguments, greater than expected no. of args 22: 23: /* Invalid argument for $len */ 24: $len = -10; 25: var_dump( strncmp($str1, $str2, $len) ); 26: echo "*** Done ***\n"; 27: ?> 28: --EXPECTF-- 29: *** Testing strncmp() function: error conditions *** 30: 31: Warning: strncmp() expects exactly 3 parameters, 0 given in %s on line %d 32: NULL 33: 34: Warning: strncmp() expects exactly 3 parameters, 1 given in %s on line %d 35: NULL 36: 37: Warning: strncmp() expects exactly 3 parameters, 2 given in %s on line %d 38: NULL 39: 40: Warning: strncmp() expects exactly 3 parameters, 4 given in %s on line %d 41: NULL 42: 43: Warning: Length must be greater than or equal to 0 in %s on line %d 44: bool(false) 45: *** Done ***