no_alias_functions.rst

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 @internal (native functions), @IMAP (IMAP functions), @mbreg (from ext-mbstring) @all (all listed sets).

Allowed values: a subset of ['@internal', '@IMAP', '@mbreg', '@all', '@time', '@exif']

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

Examples

Example #1

Default configuration.

--- Original
+++ New
@@ -1,22 +1,22 @@
 <?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
@@ -1,3 +1,3 @@
 <?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

Using the @PHP74Migration:risky rule set will enable the no_alias_functions rule with the default config.

@PHP80Migration:risky

Using the @PHP80Migration:risky rule set will enable the no_alias_functions rule with the config below:

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

@PhpCsFixer:risky

Using the @PhpCsFixer:risky rule set will enable the no_alias_functions rule with the config below:

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

@Symfony:risky

Using the @Symfony:risky rule set will enable the no_alias_functions rule with the default config.