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-rw-r--r--ext/filter/tests/surprising_integer_literals.phpt36
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diff --git a/ext/filter/tests/surprising_integer_literals.phpt b/ext/filter/tests/surprising_integer_literals.phpt
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+++ b/ext/filter/tests/surprising_integer_literals.phpt
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+--TEST--
+Surprising result with integer literals (hex/octal)
+--SKIPIF--
+<?php if (!extension_loaded("filter")) die("skip"); ?>
+--FILE--
+<?php
+echo 'Hex', \PHP_EOL;
+var_dump(filter_var('0x', FILTER_VALIDATE_INT, FILTER_FLAG_ALLOW_HEX));
+var_dump(filter_var('0xg', FILTER_VALIDATE_INT, FILTER_FLAG_ALLOW_HEX));
+var_dump(filter_var('0X', FILTER_VALIDATE_INT, FILTER_FLAG_ALLOW_HEX));
+var_dump(filter_var('0Xg', FILTER_VALIDATE_INT, FILTER_FLAG_ALLOW_HEX));
+var_dump(filter_var('', FILTER_VALIDATE_INT, FILTER_FLAG_ALLOW_HEX));
+echo 'Octal', \PHP_EOL;
+var_dump(filter_var('0o', FILTER_VALIDATE_INT, FILTER_FLAG_ALLOW_OCTAL));
+var_dump(filter_var('0og', FILTER_VALIDATE_INT, FILTER_FLAG_ALLOW_OCTAL));
+var_dump(filter_var('0O', FILTER_VALIDATE_INT, FILTER_FLAG_ALLOW_OCTAL));
+var_dump(filter_var('0Og', FILTER_VALIDATE_INT, FILTER_FLAG_ALLOW_OCTAL));
+var_dump(filter_var('O', FILTER_VALIDATE_INT, FILTER_FLAG_ALLOW_OCTAL));
+var_dump(filter_var('Og', FILTER_VALIDATE_INT, FILTER_FLAG_ALLOW_OCTAL));
+var_dump(filter_var('', FILTER_VALIDATE_INT, FILTER_FLAG_ALLOW_OCTAL));
+?>
+--EXPECT--
+Hex
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+Octal
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)
+bool(false)