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--TEST--
Test array_walk() function : error conditions - callback parameters
--FILE--
<?php
/* Prototype : bool array_walk(array $input, string $funcname [, mixed $userdata])
* Description: Apply a user function to every member of an array
* Source code: ext/standard/array.c
*/
/*
* Testing array_walk() by passing more number of parameters to callback function
*/
$input = array(1);
function callback1($value, $key, $user_data ) {
echo "\ncallback1() invoked \n";
}
function callback2($value, $key, $user_data1, $user_data2) {
echo "\ncallback2() invoked \n";
}
echo "*** Testing array_walk() : error conditions - callback parameters ***\n";
// expected: Missing argument Warning
var_dump( array_walk($input, "callback1") );
var_dump( array_walk($input, "callback2", 4) );
// expected: Warning is suppressed
var_dump( @array_walk($input, "callback1") );
var_dump( @array_walk($input, "callback2", 4) );
echo "-- Testing array_walk() function with too many callback parameters --\n";
var_dump( array_walk($input, "callback1", 20, 10) );
echo "Done";
?>
--EXPECTF--
*** Testing array_walk() : error conditions - callback parameters ***
Warning: Missing argument 3 for callback1() in %s on line %d
callback1() invoked
bool(true)
Warning: Missing argument 4 for callback2() in %s on line %d
callback2() invoked
bool(true)
callback1() invoked
bool(true)
callback2() invoked
bool(true)
-- Testing array_walk() function with too many callback parameters --
Warning: array_walk() expects at most 3 parameters, 4 given in %s on line %d
NULL
Done
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