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Took a swing at updating info on text-based errors. Please scrutinize.

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git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@31580 c90b9560-bf6c-de11-be94-00142212c4b1
This commit is contained in:
Ron Chmara 2000-08-31 05:17:42 +00:00
parent aaa679a6a5
commit f1b3da9570
1 changed files with 43 additions and 13 deletions
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56
functions/info.xml
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@ -236,15 +236,33 @@ error_log ("You messed up!", 3, "/var/tmp/my-errors.log");
<funcsynopsis>
<funcprototype>
<funcdef>int <function>error_reporting</function></funcdef>
<paramdef>int
<paramdef>mixed
<parameter><optional>level</optional></parameter>
</paramdef>
</funcprototype>
</funcsynopsis>
<para>
Sets PHP's error reporting level and returns the old level. The
error reporting level is a bitmask of the following values
(follow the links for the internal values to get their meanings):
error reporting level is either a bitmask or text string. Using
text strings is strongly encouraged to ensure compatibility for
future versions. As error levels are added, the range of integers
increases, so older integer-based error levels will not always
behave as expected.
<example role="php">
<title>Error Integer changes</title>
<programlisting role="php">
error_reporting(55); // PHP 3 equivalent to E_ALL ^ E_NOTICE
/* ...in PHP 4, '55' would mean (E_ERROR | E_WARNING | E_PARSE |
E_CORE_ERROR | E_CORE_WARNING) */
error_reporting(2039); // PHP 4 equivalent to E_ALL ^ E_NOTICE
error_reporting(E_ALL ^ E_NOTICE); // The same in both PHP 3 and 4
</programlisting>
</example>
Follow the links for the internal values to get their meanings:
<table>
<title><function>error_reporting</function> bit values</title>
<tgroup cols="2">
@ -290,6 +308,18 @@ error_log ("You messed up!", 3, "/var/tmp/my-errors.log");
<entry>
<link linkend="internal.e-core-warning">E_CORE_WARNING</link>
</entry>
</row>
<row>
<entry>64</entry>
<entry>
<link linkend="internal.e-compile-error">E_COMPILE_ERROR</link>
</entry>
</row>
<row>
<entry>128</entry>
<entry>
<link linkend="internal.e-compile-warning">E_COMPILE_WARNING</link>
</entry>
</row>
</tbody>
</tgroup>
@ -300,19 +330,19 @@ error_log ("You messed up!", 3, "/var/tmp/my-errors.log");
<title><function>error_reporting</function> examples</title>
<programlisting role="php">
error_reporting(0);
// Turn off all reporting
/* Turn off all reporting */
error_reporting(7);
// E_ERROR, E_WARNING, and E_PARSE
// 1+2+4 = 7, for basic running errors
error_reporting(7); // Old syntax, PHP 2/3
error_reporting(E_ERROR | E_WARNING | E_PARSE); // New syntax for PHP 3/4
/* Good to use for simple running errors */
error_reporting(15);
// E_ERROR, E_WARNING, E_PARSE, and E_NOTICE
// 1+2+4+8 = 15, good for code authoring to report
// uninitialized (possibly mis-spelled) variables
error_reporting(15); // Old syntax, PHP 2/3
error_reporting(E_ERROR | E_WARNING | E_PARSE | E_NOTICE); // New syntax for PHP 3/4
/* good for code authoring to report uninitialized or (possibly mis-spelled) variables */
error_reporting(63);
// report all PHP errors, rarely used.
error_reporting(63); // Old syntax, PHP 2/3
error_reporting(E_ALL); // New syntax for PHP3/4
/* report all PHP errors */
</programlisting>
</example>
</para>