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Update integer overflow example (GH-3637)

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And moved the integer division example to a new section, since not related to overflow.
This commit is contained in:
wpdevelopment11
2024-09-03 14:43:04 +03:00
committed by GitHub
parent 9fd978fa05
commit ffc4b7a1c5
1 changed files with 8 additions and 27 deletions
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35
language/types/integer.xml
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@@ -107,42 +107,23 @@ integer : decimal
</para>
<example>
<title>Integer overflow on a 32-bit system</title>
<title>Integer overflow</title>
<programlisting role="php">
<![CDATA[
<?php
$large_number = 2147483647;
var_dump($large_number); // int(2147483647)
$large_number = 50000000000000000000;
var_dump($large_number); // float(5.0E+19)
$large_number = 2147483648;
var_dump($large_number); // float(2147483648)
$million = 1000000;
$large_number = 50000 * $million;
var_dump($large_number); // float(50000000000)
var_dump(PHP_INT_MAX + 1); // 32-bit system: float(2147483648)
// 64-bit system: float(9.2233720368548E+18)
?>
]]>
</programlisting>
</example>
</sect2>
<example>
<title>Integer overflow on a 64-bit system</title>
<programlisting role="php">
<![CDATA[
<?php
$large_number = 9223372036854775807;
var_dump($large_number); // int(9223372036854775807)
$large_number = 9223372036854775808;
var_dump($large_number); // float(9.2233720368548E+18)
$million = 1000000;
$large_number = 50000000000000 * $million;
var_dump($large_number); // float(5.0E+19)
?>
]]>
</programlisting>
</example>
<sect2 xml:id="language.types.integer.division">
<title>Integer division</title>
<para>
There is no <type>int</type> division operator in PHP, to achieve this