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PHP/Data Type/intval - История изменений
2026-04-04T18:53:01Z
История изменений этой страницы в вики
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http://wbex.ru/index.php?title=PHP/Data_Type/intval&diff=286&oldid=prev
в 10:37, 26 мая 2010
2010-05-26T10:37:28Z
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http://wbex.ru/index.php?title=PHP/Data_Type/intval&diff=287&oldid=prev
Admin: 1 версия
2010-05-26T07:03:06Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Checking for a number range==<br />
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<!-- start source code --><br />
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<source lang="html4strict"><br />
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if ($_POST["age"] != strval(intval($_POST["age"]))) {<br />
$errors[] = "Your age must be a number.";<br />
} elseif (($_POST["age"] < 18) || ($_POST["age"] > 65)) {<br />
$errors[] = "Your age must be at least 18 and no more than 65.";<br />
}<br />
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</source><br />
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==intval() function: pass a second parameter that specifies the base for the conversion==<br />
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<!-- start source code --><br />
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<source lang="html4strict"><br />
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<?php <br />
echo intval("123", 10) . "\n"; <br />
echo intval("101010", 2) . "\n"; <br />
echo intval("123", 8) . "\n"; <br />
echo intval("123", 16) . "\n"; <br />
echo intval("H123", 32) . "\n"; <br />
echo intval("H123", 36) . "\n"; <br />
?><br />
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</source><br />
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==intval() function: pass a second parameter that specifies the base to use for the conversion.==<br />
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<!-- start source code --><br />
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<source lang="html4strict"><br />
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The default value is 10, but it"s possible to use base 2 (binary), 8 (octal), 16 (hexadecimal), or any other value such as 32 or 36<br />
<?php<br />
echo intval("123", 10) . "\n";<br />
echo intval("101010", 2) . "\n";<br />
echo intval("123", 8) . "\n";<br />
echo intval("123", 16) . "\n";<br />
echo intval("H123", 32) . "\n";<br />
echo intval("H123", 36) . "\n";<br />
?><br />
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</source></div>
Admin