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Description

Registers a set of PSR-4 directories for a given namespace, replacing any others previously set for this namespace.

Usage

ClassLoader::setPsr4( $prefix, $paths );

Parameters

$prefix

( string ) required – The prefix/namespace, with trailing '\\'

$paths

( array|string ) required – The PSR-4 base directories

Returns

void

Source

File name: jetpack/vendor/composer/ClassLoader.php
Lines:

    public function setPsr4($prefix, $paths)
    {
        if (!$prefix) {
            $this->fallbackDirsPsr4 = (array) $paths;
        } else {
            $length = strlen($prefix);
            if ('\\' !== $prefix[$length - 1]) {
                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
            }
            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
            $this->prefixDirsPsr4[$prefix] = (array) $paths;
        }
    }
 

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