ErrLookup › rectorphp/rector
rectorphp/rector
Instant Upgrades and Automated Refactoring of any PHP 5.3+ code · PHP · 1,365 source files
Analyzed at 408fcb0ff1 on 2026-08-21. 94 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
E_USER_DEPRECATED UseNodesToAddCollector | console | info | rector, deprecation, e-user-deprecated, imports, custom-rules, php |
| " " rule is deprecated, as turning a docblock type into a… | exception | error | rector, php, deprecated-rule, assert, docblock |
| The "-> ()" method is deprecated and no longer applied. Use… | console | warning | rector, deprecation, php-sets, config-builder, php |
| The " " rule requires configuration. | validation | error | rector, php, attributes, annotations, configuration, doctrine |
| " " rule is deprecated, as the #[Deprecated] attribute… | exception | error | rector, php, deprecation, attributes, phpstan, php84 |
| " " rule is deprecated, as matching sensitive parameters by… | exception | error | rector, php, security, sensitive-parameter, deprecated-rule, php82 |
| Following rules are registered twice: | validation | error | rector, config, duplicate-rules, should-not-happen-exception, php |
| " " rule is deprecated, as it can cause BC breaks. The… | exception | error | rector, php, json, deprecated-rule, bc-break, php73 |
| " " is deprecated, as the pipe chain length that stays… | exception | error | rector, php, pipe-operator, php85, deprecated-rule |
| " " is deprecated, as it removes intermediate variables… | exception | error | rector, php, pipe-operator, php85, deprecated-rule |
| " " rule is deprecated, as a function call can rarely be… | exception | error | rector, php, refactor, function-call, transform, deprecated-rule |
| These rules from "$rectorConfig->skip()" do not exist -… | validation | error | rector, skip, typo, class-not-found, config, php |
| " " rule is deprecated, as removing an annotation by name… | exception | error | rector, php, deprecated-rule, annotations, docblock, dead-code |
| " " rule is deprecated, as the scalar value target is too… | exception | error | rector, php, constants, scalar, transform, deprecated-rule |
| " " rule is deprecated, as it is a personal preference that… | exception | error | rector, php, deprecated-rule, foreach, code-style |
| " " rule is deprecated, as it creates unreadable code with… | exception | error | rector, php, strict, empty, code-quality, deprecated-rule |
| " " rule is deprecated, as risky. The "??" and "?:"… | exception | error | rector, php, deprecated-rule, coalesce, null-handling |
| " " is deprecated as it produces too many false positives… | exception | error | rector, php, type-declaration, string, false-positives, deprecated-rule |
| " " is deprecated, as simplifying regex ranges is a… | exception | error | rector, php, deprecated-rule, regex, code-style |
| " " is deprecated as risky change that does not handle enum… | exception | error | rector, php, deprecated-rule, enum, rename, ide-refactor |
| Method " ()" can be called only once. It always includes… | exception | error | php, rector, config, duplicate, php-sets |
| Rule " " was not found.%sThe rule has no namespace. Make… | exception | error | php, rector, cli, shell-escaping, rule-selection, windows |
| " " is deprecated, as null compare is ambiguous and weak… | exception | error | rector, php, deprecated-rule, null-comparison, instanceof, weak-comparison |
| " " rule is deprecated, as inverting nested ifs to early… | exception | error | rector, php, deprecated-rule, static-analysis, config |
| The installed package json not found. Make sure you run… | exception | error | php, rector, composer, installed-json, vendor, ci |
| Your config already enables | exception | error | php, rector, config, duplicate, sets, level |
| " " is deprecated, as converting string interpolation to… | exception | error | rector, php, deprecated-rule, string-interpolation, sprintf, code-style |
| " " rule is deprecated, as inverting nested ifs to continue… | exception | error | rector, php, deprecated-rule, foreach, early-return, readability |
| unescaped metacharacter ")" | validation | error | rector, php, regex, posix-ere, preg-match, migration |
| " " rule is deprecated, as too niche and of little… | exception | error | rector, php, docblock, array-map, type-declaration, deprecated-rule |
| Ensure to run compile from composer git repository clone… | exception | error | php, rector, git, build, compile, version |
| " " rule is deprecated, as it covers a very specific shape… | exception | error | rector, php, deprecated-rule, compound-assignment, code-style |
| " " is deprecated, as it copies docblock from another… | exception | error | rector, php, docblock, return-type, type-declaration, deprecated-rule |
| Memory limit " " cannot be set. | validation | error | php, memory-limit, ini-settings, php-fpm, rector |
| " " rule is deprecated, as too niche; use a custom rule… | exception | error | rector, php, interface, trait, transform, deprecated-rule |
| " " rule is deprecated, as the array shape guessed from… | exception | error | rector, php, docblock, array-shape, return-type, deprecated-rule |
| " " is deprecated as noisy change with little value. Use… | exception | error | rector, php, deprecated-rule, closure, static, code-style |
| " " rule is deprecated, as property hooks are a matter of… | exception | error | rector, php, property-hooks, php84, deprecated-rule |
| an invalid bound | validation | error | rector, php, regex, posix-ere, quantifier, bound, migration |
| Bootstrap file " " does not exist. | exception | error | php, rector, bootstrap, config, file-not-found |
| "(" does not have a matching ")" | validation | error | rector, php, regex, posix-ere, grouping, migration |
| [parallel] Main script was not found | exception | error | php, rector, parallel, subprocess, cli, argv |
| " " rule is deprecated, as it is a personal preference that… | exception | error | rector, php, deprecated-rule, array-merge, spread, code-style |
| Parameter " :: " must be int, " " given.%sUse constant from… | validation | error | php, rector, parameter-type, php-version, validation |
| " " is deprecated as it has no real value | exception | error | rector, php, deprecated-rule, docblock, mock, dead-code |
| " " rule is deprecated, as the param type guessed from a… | exception | error | rector, php, docblock, param, array-map, deprecated-rule |
| Array of nodes cannot be empty. Ensure | exception | error | php, rector, custom-rule, refactor-contract, empty-array |
| " " is deprecated as risky change with little value. Use… | exception | error | rector, php, deprecated-rule, static-call, config |
| "-" is invalid for the start character in the brackets | validation | error | rector, php, regex, posix-ere, character-class, migration |
| Provide only PHP file, ready for Dependency Injection. | exception | error | php, rector, config, yaml, file-extension, cache |
| " " is deprecated, as match(true) with nested conditions is… | exception | error | rector, php, deprecated-rule, ternary, match-expression, readability |
| " " is deprecated, as data provider docblock typing is not… | exception | error | rector, php, phpunit, data-provider, docblock, deprecated-rule |
| Rule " " was not found.%sMake sure it is registered in your… | exception | error | php, rector, cli, rule-selection, typo, package-missing |
| " " is deprecated as it worsens readability. Use "match… | exception | error | rector, php, deprecated-rule, switch, match-expression |
| an invalid or unsupported character class | validation | error | rector, php, regex, posix-ere, character-class, migration |
| " " rule is deprecated, as it is a coding standard… | exception | error | rector, php, deprecated-rule, count, empty-check, code-style |
| unescaped metacharacter | validation | error | rector, php, regex, posix-ere, quantifier, migration |
| " " is deprecated as depends on context and personal… | exception | error | rector, php, deprecated-rule, string-concat, code-style |
| " " rule is deprecated, as splitting a single condition… | exception | error | rector, php, deprecated-rule, static-analysis, config |
| " " is not a valid name | validation | error | php, naming, validation, identifier, rector |
| Provided dumped Symfony container must have "xml" suffix. | exception | error | php, rector, symfony, config, file-extension, container-dump |
| Error occurred while saving item | exception | error | php, rector, cache, var-export, serialization |
| enterNode() returned invalid value of type | exception | error | php, rector, php-parser, node-visitor, return-contract |
| Invalid memory limit format | validation | error | php, memory-limit, cli, format-validation, rector |
| Rule " " exists, but is not registered in your Rector… | exception | error | php, rector, cli, rule-selection, registration, config |
| an invalid character range | validation | error | rector, php, regex, posix-ere, character-class, range, migration |
| Short rule name " " is ambiguous. Specify the full rule name | exception | error | php, rector, cli, rule-selection, ambiguous-name |
| Your config uses "withPhp*()" and "withPhpLevel()" methods… | exception | error | php, rector, config, conflict, php-version, migration |
| Pick only one PHP version target in "withDowngradeSets()"… | exception | error | php, rector, config, downgrade, php-version |
| " " rule is deprecated, as it is a personal preference that… | exception | error | rector, php, deprecated-rule, ternary, code-style |
| Matching file paths by using glob-patterns is no longer… | exception | error | php, rector, config, import, glob, wildcard |
| "{" does not have a matching "}" | validation | error | rector, php, regex, posix-ere, quantifier, bound, migration |
| empty regular expression or branch | validation | error | rector, php, regex, posix-ere, alternation, migration |
| File object is missing. Make sure you call… | exception | error | php, rector, custom-rule, lifecycle, current-file |
| Output formatter " " was not found. Pick one of " ". | validation | error | php, rector, cli, output-format, service-lookup |
| Fixture file and input file cannot be the same: | exception | error | php, rector, testing, fixtures, path-collision |
| Provided dumped Symfony container must have "php" suffix. | exception | error | php, rector, symfony, config, file-extension, container-dump |
| "[" does not have a matching "]" | validation | error | rector, php, regex, posix-ere, character-class, migration |
| Set provider " " must implement | exception | error | php, rector, config, set-provider, interface-check |
| Could not write data to cache file | exception | error | php, rector, cache, filesystem, permissions, disk-full |
| " " rule is deprecated, as splitting a single return into… | exception | error | rector, php, deprecated-rule, static-analysis, config |
| a literal null byte in the regex | validation | error | rector, php, regex, posix-ere, binary, null-byte, migration |
| Pick only one version target in "withPhpSets()". All rules… | exception | error | php, rector, config, php-version, conflicting-arguments |
| Invalid node structure: Contains nested arrays | exception | error | php, rector, php-parser, ast, node-visitor |
| You must ensure to run compile from composer git repository… | exception | error | php, rector, git, build, compile, release-date |
| Rector name cannot be empty | exception | error | php, rector, cli, interactive-prompt, scaffolding |
| The "->withPhpSets()" method uses named arguments. Its… | exception | error | php, rector, php-version, named-arguments, config |
| File is not readable | exception | error | php, file-io, permissions, hashing, rector |
| Property "$ " was not found in " " class | exception | error | php, reflection, private-property, rector, testing |
| We could not find local "composer.json" to determine your… | validation | error | php, rector, composer-json, php-version, working-directory |
| Trying to replace statement | exception | error | php, rector, php-parser, ast, node-replacement |
| an invalid escape sequence at the end | validation | error | rector, php, regex, posix-ere, escaping, migration |
| REPLACE_WITH_NULL can not be used if the parent structure… | exception | error | php, rector, php-parser, node-visitor, remove-node |
| Trying to replace expression | exception | error | php, rector, php-parser, ast, node-replacement |