InstalledVersions::satisfies( ComposerSemverVersionParser $parser, string $packageName, string|null $constraint )

Checks whether the given package satisfies a version constraint

Description Description

e.g. If you want to know whether version 2.3+ of package foo/bar is installed, you would call:

Composer\InstalledVersions::satisfies(new VersionParser, ‘foo/bar’, ‘^2.3’)

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Parameters Parameters


(ComposerSemverVersionParser) (Required) Install composer/semver to have access to this class and functionality


(string) (Required)


(string|null) (Required) A version constraint to check for, if you pass one you have to make sure composer/semver is required by your package

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Return Return


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Source Source

File: libraries/lifterlms-cli/vendor/composer/InstalledVersions.php

    public static function satisfies(VersionParser $parser, $packageName, $constraint)
        $constraint = $parser->parseConstraints($constraint);
        $provided = $parser->parseConstraints(self::getVersionRanges($packageName));

        return $provided->matches($constraint);

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