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Rule no_alias_functions

Master functions shall be used instead of aliases.

Warning

Using this rule is risky

Risky when any of the alias functions are overridden.

Configuration

sets

List of sets to fix. Defined sets are:

• @all (all listed sets);

• @internal (native functions);

• @exif (EXIF functions);

• @ftp (FTP functions);

• @IMAP (IMAP functions);

• @ldap (LDAP functions);

• @mbreg (from ext-mbstring);

• @mysqli (mysqli functions);

• @oci (oci functions);

• @odbc (odbc functions);

• @openssl (openssl functions);

• @pcntl (PCNTL functions);

• @pg (pg functions);

• @posix (POSIX functions);

• @snmp (SNMP functions);

• @sodium (libsodium functions);

• @time (time functions).

Allowed values: a subset of ['@all', '@exif', '@ftp', '@IMAP', '@internal', '@ldap', '@mbreg', '@mysqli', '@oci', '@odbc', '@openssl', '@pcntl', '@pg', '@posix', '@snmp', '@sodium', '@time']

Default value: ['@internal', '@IMAP', '@pg']

Examples

Example #1

Default configuration.

--- Original
+++ New
 <?php
-$a = chop($b);
-close($b);
-$a = doubleval($b);
-$a = fputs($b, $c);
-$a = get_required_files();
-ini_alter($b, $c);
-$a = is_double($b);
-$a = is_integer($b);
-$a = is_long($b);
-$a = is_real($b);
-$a = is_writeable($b);
-$a = join($glue, $pieces);
-$a = key_exists($key, $array);
-magic_quotes_runtime($new_setting);
-$a = pos($array);
-$a = show_source($filename, true);
-$a = sizeof($b);
-$a = strchr($haystack, $needle);
-$a = imap_header($imap_stream, 1);
-user_error($message);
+$a = rtrim($b);
+closedir($b);
+$a = floatval($b);
+$a = fwrite($b, $c);
+$a = get_included_files();
+ini_set($b, $c);
+$a = is_float($b);
+$a = is_int($b);
+$a = is_int($b);
+$a = is_float($b);
+$a = is_writable($b);
+$a = implode($glue, $pieces);
+$a = array_key_exists($key, $array);
+set_magic_quotes_runtime($new_setting);
+$a = current($array);
+$a = highlight_file($filename, true);
+$a = count($b);
+$a = strstr($haystack, $needle);
+$a = imap_headerinfo($imap_stream, 1);
+trigger_error($message);
 mbereg_search_getregs();

Example #2

With configuration: ['sets' => ['@mbreg']].

--- Original
+++ New
 <?php
 $a = is_double($b);
-mbereg_search_getregs();
+mb_ereg_search_getregs();

Rule sets

The rule is part of the following rule sets:

• @PHP74Migration:risky

• @PHP80Migration:risky with config:

  ['sets' => ['@all']]

• @PhpCsFixer:risky with config:

  ['sets' => ['@all']]

• @Symfony:risky

References

• Fixer class: PhpCsFixer\Fixer\Alias\NoAliasFunctionsFixer

• Test class: PhpCsFixer\Tests\Fixer\Alias\NoAliasFunctionsFixerTest

The test class defines officially supported behaviour. Each test case is a part of our backward compatibility promise.