support positional arguments in sprintf() constant format inference #1437
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staabm
commented
Jun 17, 2022
| // The printf format is %[argnum$][flags][width][.precision] | ||
| if (preg_match('/^%([0-9]*\$)?[0-9]*\.?[0-9]+[bdeEfFgGhHouxX]$/', $formatType->getValue(), $matches) === 1) { | ||
| // invalid positional argument | ||
| if (array_key_exists(1, $matches) && $matches[1] === '0$') { |
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this array-key-exists check now prevents the warning we saw earlier:
Warning: Undefined array key 1 in /Users/ondrej/Development/phpstan/src/Type/Php/SprintfFunctionDynamicReturnTypeExtension.php on line 49
PHP Warning: Undefined array key 1 in /Users/ondrej/Development/phpstan/src/Type/Php/SprintfFunctionDynamicReturnTypeExtension.php on line 49
|
Thank you. |
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re-submit of a previous PR which had to be backed out because of php warnings, see #1426 (comment)