--TEST--
Test abs() function : error conditions - incorrect number of args
--FILE--
<?php
echo "*** Testing abs() : error conditions ***\n";
$arg_0 = 1.0;
$extra_arg = 1;
echo "\nToo many arguments\n";
var_dump(abs($arg_0, $extra_arg));
echo "\nToo few arguments\n";
var_dump(abs());
?>
===Done===
--EXPECTF--
*** Testing abs() : error conditions ***
Too many arguments
Warning: abs() expects exactly 1 parameter, 2 given in %s on line %d
NULL
Too few arguments
Warning: abs() expects exactly 1 parameter, 0 given in %s on line %d
NULL
===Done===