reference/array/functions/array-diff-assoc.xml
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</para>
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</refsect1>
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<refsect1 role="changelog">
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&reftitle.changelog;
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<para>
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<informaltable>
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<tgroup cols="2">
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<thead>
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<row>
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<entry>&Version;</entry>
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<entry>&Description;</entry>
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</row>
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</thead>
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<tbody>
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&array.changelog.require-only-one;
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</tbody>
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</tgroup>
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</informaltable>
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</para>
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</refsect1>
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<!--
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<refsect1 role="errors">
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&reftitle.errors;
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<example>
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<title><function>array_diff_assoc</function> example</title>
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<para>
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In this example you see the <literal>"a" => "green"</literal>
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In this example the <literal>"a" => "green"</literal>
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pair is present in both arrays and thus it is not in the output from the
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function. Unlike this, the pair <literal>0 => "red"</literal>
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is in the output because in the second argument <literal>"red"</literal>
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has key which is <literal>1</literal>.
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is in the output because the key of <literal>"red"</literal> is
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automatically assigned to <literal>0</literal> in the first array,
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whereas it is assigned to <literal>1</literal> in the second array as the
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key <literal>0</literal> is already taken by <literal>yellow</literal>.
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</para>
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<programlisting role="php">
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<![CDATA[
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(
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[0] => 0
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[1] => 1
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)
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)
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]]>
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</screen>
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</example>
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&reftitle.notes;
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<note>
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<simpara>
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This function only checks one dimension of a n-dimensional
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array. Of course you can check deeper dimensions by using, for example,
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This function only checks one dimension of an n-dimensional
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array. It is possible to check deeper dimensions by using, for example,
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<literal>array_diff_assoc($array1[0], $array2[0]);</literal>.
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</simpara>
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</note>
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<note>
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<simpara>
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Ensure you pass arguments in the correct order when comparing similar
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Ensure arguments are passed in the correct order when comparing similar
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arrays with more keys. The new array should be the first in the list.
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</simpara>
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</note>
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