language/control-structures/match.xml
78d273c6d4b08d0ee04b69bc3a9230a39b99d60f
78d273c6d4b08d0ee04b69bc3a9230a39b99d60f
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@@ -29,6 +29,31 @@ $return_value = match (subject_expression) {
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]]>
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</programlisting>
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<example>
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<title>Basic <literal>match</literal> usage</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$food = 'cake';
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$return_value = match ($food) {
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'apple' => 'This food is an apple',
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'bar' => 'This food is a bar',
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'cake' => 'This food is a cake',
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};
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var_dump($return_value);
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?>
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]]>
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</programlisting>
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&example.outputs;
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<screen>
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<![CDATA[
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string(19) "This food is a cake"
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]]>
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</screen>
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</example>
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<note>
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<simpara>
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The result of a <literal>match</literal> expression does not need to be used.
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@@ -60,7 +85,7 @@ $return_value = match (subject_expression) {
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</listitem>
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<listitem>
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<simpara>
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<literal>Match</literal> arms do not fall-through to later cases the way
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<literal>match</literal> arms do not fall-through to later cases the way
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<literal>switch</literal> statements do.
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</simpara>
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</listitem>
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@@ -87,7 +112,7 @@ $return_value = match (subject_expression) {
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<?php
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$result = match ($x) {
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foo() => ...,
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$this->bar() => ..., // bar() isn't called if foo() === $x
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$this->bar() => ..., // $this->bar() isn't called if foo() === $x
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$this->baz => beep(), // beep() isn't called unless $x === $this->baz
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// etc.
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};
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