PHP LSP — VS Code Extension

PHP language support for VS Code powered by php-lsp — a high-performance Language Server written in Rust.

Features

Completions — type-aware -> / :: chains, match enum-case, auto use insertion
Hover — inline type and doc information
Go to definition / declaration / type definition
Find references & rename
Diagnostics — undefined variables, functions, classes, arity errors, type errors, deprecated calls
Call hierarchy & type hierarchy
Semantic tokens, inlay hints, code lens
Signature help & document highlight
Code actions — extract variable/method/constant, inline variable, generate constructor/getters/setters, implement missing methods, organize imports, add PHPDoc, add return type
Folding, selection range, on-type formatting, document links

The extension ships a pre-built php-lsp binary for your platform — no separate installation needed.

If you prefer to manage the binary yourself, install via Cargo:

cargo install php-lsp

Or download a pre-built binary from php-lsp releases and place it on your PATH.

Setting	Default	Description
`php-lsp.serverPath`	`""`	Absolute path to the `php-lsp` binary. Leave empty to use the bundled binary, PATH, or auto-download.
`php-lsp.phpVersion`	`"8.3"`	PHP version for diagnostics and completions (`7.4`–`8.3`).
`php-lsp.excludePaths`	`[]`	Glob patterns to exclude from workspace indexing.
`php-lsp.diagnostics.enabled`	`true`	Master switch for all diagnostics.
`php-lsp.diagnostics.undefinedVariables`	`true`	Undefined variable references.
`php-lsp.diagnostics.undefinedFunctions`	`true`	Calls to undefined functions.
`php-lsp.diagnostics.undefinedClasses`	`true`	References to undefined classes, interfaces, or traits.
`php-lsp.diagnostics.arityErrors`	`true`	Wrong number of arguments.
`php-lsp.diagnostics.typeErrors`	`true`	Return-type mismatches.
`php-lsp.diagnostics.deprecatedCalls`	`true`	Calls to `@deprecated` members.
`php-lsp.diagnostics.duplicateDeclarations`	`true`	Duplicate class or function declarations.

Command	Description
`PHP LSP: Restart Server`	Restart the language server.
`PHP LSP: Show Output Channel`	Open the PHP LSP output log.