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1.1 misho 1: --TEST-- 2: Test array_diff_key() function : usage variation - Passing float indexed array 3: --FILE-- 4: <?php 5: /* Prototype : array array_diff_key(array arr1, array arr2 [, array ...]) 6: * Description: Returns the entries of arr1 that have keys which are not present in any of the others arguments. 7: * Source code: ext/standard/array.c 8: */ 9: 10: echo "*** Testing array_diff_key() : usage variation ***\n"; 11: 12: // Initialise function arguments not being substituted (if any) 13: $input_array = array(0 => '0', 10 => '10', -10 => '-10', 20 =>'20', -20 => '-20'); 14: $float_indx_array = array(0.0 => '0.0', 10.5 => '10.5', -10.5 => '-10.5', 0.5 => '0.5'); 15: 16: echo "\n-- Testing array_diff_key() function with float indexed array --\n"; 17: // loop through each element of the array for arr1 18: var_dump( array_diff_key($input_array, $float_indx_array) ); 19: var_dump( array_diff_key($float_indx_array, $input_array) ); 20: ?> 21: ===DONE=== 22: --EXPECTF-- 23: *** Testing array_diff_key() : usage variation *** 24: 25: -- Testing array_diff_key() function with float indexed array -- 26: array(2) { 27: [20]=> 28: string(2) "20" 29: [-20]=> 30: string(3) "-20" 31: } 32: array(0) { 33: } 34: ===DONE===