Lines Matching refs:is_nan
2 Test is_nan() function : usage variations - different data types as $val argument
5 /* Prototype : bool is_nan ( float $val )
10 echo "*** Testing is_nan() : usage variations ***\n";
78 // loop through each element of $inputs to check the behaviour of is_nan()
82 var_dump(is_nan($input));
89 *** Testing is_nan() : usage variations ***
141 Warning: is_nan() expects parameter 1 to be double, string given in %s on line %d
146 Warning: is_nan() expects parameter 1 to be double, string given in %s on line %d
151 Warning: is_nan() expects parameter 1 to be double, array given in %s on line %d
156 Warning: is_nan() expects parameter 1 to be double, string given in %s on line %d
161 Warning: is_nan() expects parameter 1 to be double, string given in %s on line %d
166 Warning: is_nan() expects parameter 1 to be double, string given in %s on line %d
171 Warning: is_nan() expects parameter 1 to be double, object given in %s on line %d
182 Warning: is_nan() expects parameter 1 to be double, resource given in %s on line %d