appendices/comparisons.xml
88890f831cb49dc2b2be942039b1938217b1cc54
88890f831cb49dc2b2be942039b1938217b1cc54
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<para>
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Before utilizing these tables, it's important to understand types and their
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meanings. For example, <literal>"42"</literal> is a <type>string</type>
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-
while <literal>42</literal> is an <type>integer</type>. &false; is a
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<type>boolean</type> while <literal>"false"</literal> is a
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while <literal>42</literal> is an <type>int</type>. &false; is a
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<type>bool</type> while <literal>"false"</literal> is a
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<type>string</type>.
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</para>
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<note>
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@@ -56,7 +56,7 @@
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<entry><function>empty</function></entry>
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<entry><function>is_null</function></entry>
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<entry><function>isset</function></entry>
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<entry><type>boolean</type> : <literal>if($x)</literal></entry>
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<entry><type>bool</type> : <literal>if($x)</literal></entry>
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</row>
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</thead>
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<tbody>
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<entry>&false;</entry>
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</row>
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<row>
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-
<entry><literal>$x = array();</literal></entry>
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<entry><literal>$x = [];</literal></entry>
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<entry><type>array</type></entry>
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<entry>&true;</entry>
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<entry>&false;</entry>
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@@ -101,7 +101,7 @@
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<entry>&false;</entry>
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</row>
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<row>
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<entry><literal>$x = array('a', 'b');</literal></entry>
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<entry><literal>$x = ['a', 'b'];</literal></entry>
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<entry><type>array</type></entry>
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<entry>&false;</entry>
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<entry>&false;</entry>
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</row>
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<row>
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<entry><literal>$x = false;</literal></entry>
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<entry><type>boolean</type></entry>
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+
<entry><type>bool</type></entry>
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<entry>&true;</entry>
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<entry>&false;</entry>
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<entry>&true;</entry>
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@@ -118,7 +118,7 @@
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</row>
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<row>
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<entry><literal>$x = true;</literal></entry>
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<entry><type>boolean</type></entry>
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+
<entry><type>bool</type></entry>
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<entry>&false;</entry>
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<entry>&false;</entry>
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<entry>&true;</entry>
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</row>
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<row>
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<entry><literal>$x = 1;</literal></entry>
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<entry><type>integer</type></entry>
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+
<entry><type>int</type></entry>
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<entry>&false;</entry>
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<entry>&false;</entry>
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<entry>&true;</entry>
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@@ -134,7 +134,7 @@
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</row>
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<row>
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<entry><literal>$x = 42;</literal></entry>
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<entry><type>integer</type></entry>
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+
<entry><type>int</type></entry>
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<entry>&false;</entry>
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<entry>&false;</entry>
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<entry>&true;</entry>
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</row>
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<row>
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<entry><literal>$x = 0;</literal></entry>
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<entry><type>integer</type></entry>
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<entry><type>int</type></entry>
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<entry>&true;</entry>
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<entry>&false;</entry>
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<entry>&true;</entry>
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</row>
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<row>
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<entry><literal>$x = -1;</literal></entry>
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<entry><type>integer</type></entry>
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+
<entry><type>int</type></entry>
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<entry>&false;</entry>
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<entry>&false;</entry>
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<entry>&true;</entry>
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@@ -225,7 +225,7 @@
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<entry><literal>"0"</literal></entry>
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<entry><literal>"-1"</literal></entry>
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<entry>&null;</entry>
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<entry><literal>array()</literal></entry>
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<entry><literal>[]</literal></entry>
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<entry><literal>"php"</literal></entry>
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<entry><literal>""</literal></entry>
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</row>
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<entry>&false;</entry>
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<entry>&true;</entry>
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<entry>&false;</entry>
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<entry>&true;</entry>
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<entry>&true;</entry>
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+
<entry>&false;*</entry>
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<entry>&false;*</entry>
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</row>
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<row>
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<entry><literal>-1</literal></entry>
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@@ -367,7 +367,7 @@
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<entry>&true;</entry>
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</row>
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<row>
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-
<entry><literal>array()</literal></entry>
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+
<entry><literal>[]</literal></entry>
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<entry>&false;</entry>
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<entry>&true;</entry>
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<entry>&false;</entry>
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@@ -386,7 +386,7 @@
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<entry>&true;</entry>
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<entry>&false;</entry>
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<entry>&false;</entry>
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-
<entry>&true;</entry>
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<entry>&false;*</entry>
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<entry>&false;</entry>
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<entry>&false;</entry>
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<entry>&false;</entry>
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@@ -401,7 +401,7 @@
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<entry>&false;</entry>
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<entry>&true;</entry>
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<entry>&false;</entry>
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<entry>&true;</entry>
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<entry>&false;*</entry>
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<entry>&false;</entry>
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<entry>&false;</entry>
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<entry>&false;</entry>
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@@ -414,6 +414,7 @@
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</tbody>
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</tgroup>
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</table>
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* &true; prior to PHP 8.0.0.
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</para>
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<para>
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@@ -432,7 +433,7 @@
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<entry><literal>"0"</literal></entry>
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<entry><literal>"-1"</literal></entry>
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<entry>&null;</entry>
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-
<entry><literal>array()</literal></entry>
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+
<entry><literal>[]</literal></entry>
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<entry><literal>"php"</literal></entry>
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<entry><literal>""</literal></entry>
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</row>
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@@ -574,7 +575,7 @@
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<entry>&false;</entry>
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</row>
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<row>
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-
<entry><literal>array()</literal></entry>
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+
<entry><literal>[]</literal></entry>
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<entry>&false;</entry>
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<entry>&false;</entry>
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<entry>&false;</entry>
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