Lines Matching refs:callback
6 * callback functions are expected to return bool value for array_filter()
7 * here testing callback functions for return values other than bool
10 echo "*** Testing array_filter() : usage variations - callback function with different return value…
18 echo "callback function with int return value\n";
26 echo "callback function with float return value\n";
34 echo "callback function with string return value\n";
42 echo "callback function with null return value\n";
50 echo "callback function with array as return value\n";
56 *** Testing array_filter() : usage variations - callback function with different return values***
57 callback function with int return value
78 callback function with float return value
99 callback function with string return value
120 callback function with null return value
123 callback function with array as return value