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<?php /*$tests = [ '[] == false' => [] == false, '[0] == true' => [0] == true, '"" == false' => '' == false, '"ABC" == false' => 'ABC' == false, '"0" == false' => '0' == false, '"1" == true' => '1' == true, '"123" == false' => '123' == true, 'null == false' => null == false, '0 == false' => 0 == false, '0.49 == false' => 0.49 == false, 'undefined == false' => $xyz == false ];*/ function _setType($var, $type) { settype($var, $type); return $var; } function testTypeCasting($val) { static $types = ["bool", "int", "float", "string", "array", "object", "null"]; $result = []; foreach ($types as $type) { $temp = _setType($val, $type); if ($type === 'object') { $type .= '(' . get_class($temp) . ')'; } $result[$type] = $temp; } return $result; } var_dump(testTypeCasting([123, 'b', 'c'])); var_dump(5 == null); /* $i = 0; foreach($tests as $name => $val) { echo ++$i . ') ' . $name . ' => ' . ($val ? 'T' : 'F') . "\n"; } */
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Array to string conversion in /in/9XAYH on line 19 array(7) { ["bool"]=> bool(true) ["int"]=> int(1) ["float"]=> float(1) ["string"]=> string(5) "Array" ["array"]=> array(3) { [0]=> int(123) [1]=> string(1) "b" [2]=> string(1) "c" } ["object(stdClass)"]=> object(stdClass)#1 (3) { ["0"]=> int(123) ["1"]=> string(1) "b" ["2"]=> string(1) "c" } ["null"]=> NULL } bool(false)

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