cvs: phpdoc /en/language types.xml

jeroen Sun Oct 28 13:47:39 2001 EDT Modified files: /phpdoc/en/language types.xml Log: Add tip about investigating types of expressions to first page of types section. Index: phpdoc/en/language/types.xml diff -u phpdoc/en/language/types.xml:1.54 phpdoc/en/language/types.xml:1.55 --- phpdoc/en/language/types.xml:1.54 Sun Oct 28 12:44:13 2001 +++ phpdoc/en/language/types.xml Sun Oct 28 13:47:39 2001 @@ -1,5 +1,5 @@ <?xml encoding="iso-8859-1"?> -<!-- $Revision: 1.54 $ --> +<!-- $Revision: 1.55 $ --> <chapter id="language.types"> <title>Types</title> @@ -104,6 +104,20 @@ rather, it is decided at runtime by PHP depending on the context in which that variable is used. </simpara> + <tip> + <simpara> + If you want to check out the type and value of a certain <link + linkend="language.expressions">expression</link>, use + <function>var_dump</function>. + </simpara> + <simpara> + If you simply want a human-readable representation of the type for + debugging, use <function>gettype</function>. To check for a certain type, + do <emphasis>not</emphasis> use <function>gettype</function>, but use the + <literal>is_<replaceable>type</replaceable></literal> functions. + </simpara> + <!-- TODO: example(s) would be great --> + </tip> <simpara> If you would like to force a variable to be converted to a certain type, you may either <link