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--TEST--
Test join() function: error conditions
--FILE--
<?php
/* Prototype : string join( string $glue, array $pieces )
* Description: Join array elements with a string
* Source code: ext/standard/string.c
* Alias of function: implode()
*/
echo "*** Testing join() : error conditions ***\n";
// Zero argument
echo "\n-- Testing join() function with Zero arguments --\n";
var_dump( join() );
// More than expected number of arguments
echo "\n-- Testing join() function with more than expected no. of arguments --\n";
$glue = 'string_val';
$pieces = array(1, 2);
$extra_arg = 10;
var_dump( join($glue, $pieces, $extra_arg) );
// Less than expected number of arguments
echo "\n-- Testing join() with less than expected no. of arguments --\n";
$glue = 'string_val';
var_dump( join($glue));
echo "Done\n";
?>
--EXPECTF--
*** Testing join() : error conditions ***
-- Testing join() function with Zero arguments --
Warning: join() expects at least 1 parameter, 0 given in %s on line %d
NULL
-- Testing join() function with more than expected no. of arguments --
Warning: join() expects at most 2 parameters, 3 given in %s on line %d
NULL
-- Testing join() with less than expected no. of arguments --
Warning: join(): Argument must be an array in %s on line %d
NULL
Done
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