ClassLoader::findFile( string $class )

Finds the path to the file where the class is defined.


Parameters Parameters

$class

(Required) The name of the class


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Return Return

(string|false) The path if found, false otherwise


Source Source

File: vendor/composer/ClassLoader.php

    public function findFile($class)
    {
        // class map lookup
        if (isset($this->classMap[$class])) {
            return $this->classMap[$class];
        }
        if ($this->classMapAuthoritative || isset($this->missingClasses[$class])) {
            return false;
        }
        if (null !== $this->apcuPrefix) {
            $file = apcu_fetch($this->apcuPrefix.$class, $hit);
            if ($hit) {
                return $file;
            }
        }
        $file = $this->findFileWithExtension($class, '.php');
        // Search for Hack files if we are running on HHVM
        if (false === $file && defined('HHVM_VERSION')) {
            $file = $this->findFileWithExtension($class, '.hh');
        }
        if (null !== $this->apcuPrefix) {
            apcu_add($this->apcuPrefix.$class, $file);
        }
        if (false === $file) {
            // Remember that this class does not exist.
            $this->missingClasses[$class] = true;
        }
        return $file;
    }