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<?php define('DEFINED_LOWER', '1.3.0.0'); define('DEFINED_HIGHER', '1.6.0.0'); $version = 1.4; var_dump ( version_compare(DEFINED_HIGHER, $version, '<')); var_dump ( version_compare(NOT_DEFINED, $version, '<')); var_dump ( version_compare(DEFINED_LOWER, $version, '<')); var_dump ( version_compare(NOT_DEFINED, $version, '<'));

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