@ 2015-11-19T15:45:56Z <?php
function test($array)
{
try
{
return is_indexed_array($array);
}
catch (Exception $e)
{
echo $e->getMessage();
return 'error';
}
}
function is_indexed_array(&$array)
{
// your fav method here
}
////non-array - adjust according to your preferred error handling technique
//assert(test(null));
//assert(test(''));
//assert(test(0));
//assert(test(false));
//assert(test(new stdClass));
assert(test([]) === true); // empty array
assert(test([null, 1, 2]) === true); // to catch wrong isset usage as in some answers
assert(test(['' => '']) === false); // random test
assert(test([0 => '']) === true); // random test
assert(test([1 => 'a']) === false); // random test
// numeric keys
assert(test(['', 'a', 'b']) === true); // proper indexed array
assert(test([1 => 'a', 2 => 'b', 3 => 'c']) === false); // sequential but not 0-based
assert(test([-1 => '', 0 => '', 1 => 'a']) === false); // sequential but not 0-based
assert(test([0 => '', 2 => 'b', 3 => 'c']) === false); // 1 index missing
assert(test([0 => '', 2 => 'b', 1 => 'a']) === false); // numeric but unordered
// string keys
assert(test(['' => '', 'a' => 'a', 'b' => 'b']) === false); // proper dictionary
// mixed keys
assert(test(['' => '', 1 => 'a', 2 => 'b']) === false); // first key string but rest not; also, associative even though '' == 0
assert(test([0 => '', 1 => 'a', 'b' => 'b']) === false); // first key numeric but rest not
// numeric string keys
assert(test([' 0' => '']) === false); // associative even though ' 0' == 0
assert(test(['00' => '']) === false); // associative even though '00' == 0
assert(test(['0*' => '']) === false); // associative even though '0*' == 0
assert(test(['0.0' => '']) === false); // associative even though '0.0' == 0.0
assert(test(['0x0' => '']) === false); // associative even though '0x0' == 0
assert(test(['0e0' => '']) === false); // associative even though '0e0' == 0
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Output for git.master , git.master_jit , rfc.property-hooks Fatal error: Uncaught AssertionError: assert(test([]) === true) in /in/DotMR:28
Stack trace:
#0 /in/DotMR(28): assert(false, 'assert(test([])...')
#1 {main}
thrown in /in/DotMR on line 28
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