Compiles and caches a PHP script without executing it

# opcache_compile_file

(PHP 5 >= 5.5.5, PHP 7, PHP 8, PECL ZendOpcache > 7.0.2)

opcache_compile_file — Compiles and caches a PHP script without executing it

### Description

opcache_compile_file(string `$filename`): bool

This function compiles a PHP script and adds it to the opcode cache without executing it. This can be used to prime the cache after a Web server restart by pre-caching files that will be included in later requests.

### Parameters

`filename`
  The path to the PHP script to be compiled.

### Return Values

Returns `true` if `filename` was compiled successfully or `false` on failure.

### Errors/Exceptions

If `filename` cannot be loaded or compiled, an error of level `E_WARNING` is generated. You may use @ to suppress this warning.

### See Also

- opcache_invalidate() - Invalidates a cached script

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