Sophie: php-manual-en-4.3.0-2mdk noarch

php-manual-en-4.3.0-2mdk.noarch.rpm

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>Incrementing/Decrementing Operators</H1
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>&#13;    PHP supports C-style pre- and post-increment and decrement
    operators.
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>Table 11-5. Increment/decrement Operators</B
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>Example</TH
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>++$a</TD
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>Pre-increment</TD
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>Increments $a by one, then returns $a.</TD
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>$a++</TD
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VALIGN="MIDDLE"
>Post-increment</TD
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>Returns $a, then increments $a by one.</TD
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>--$a</TD
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VALIGN="MIDDLE"
>Pre-decrement</TD
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>Decrements $a by one, then returns $a.</TD
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>$a--</TD
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>Post-decrement</TD
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>Returns $a, then decrements $a by one.</TD
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>&#13;    Here's a simple example script:
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>&#60;?php
echo "&#60;h3&#62;Postincrement&#60;/h3&#62;";
$a = 5;
echo "Should be 5: " . $a++ . "&#60;br /&#62;\n";
echo "Should be 6: " . $a . "&#60;br /&#62;\n";

echo "&#60;h3&#62;Preincrement&#60;/h3&#62;";
$a = 5;
echo "Should be 6: " . ++$a . "&#60;br /&#62;\n";
echo "Should be 6: " . $a . "&#60;br /&#62;\n";

echo "&#60;h3&#62;Postdecrement&#60;/h3&#62;";
$a = 5;
echo "Should be 5: " . $a-- . "&#60;br /&#62;\n";
echo "Should be 4: " . $a . "&#60;br /&#62;\n";

echo "&#60;h3&#62;Predecrement&#60;/h3&#62;";
$a = 5;
echo "Should be 4: " . --$a . "&#60;br /&#62;\n";
echo "Should be 4: " . $a . "&#60;br /&#62;\n";
?&#62;</PRE
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