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<?php $level1 = array( 'extensions' => array(), ); $level2 = array( 'extensions' => array( 'subjectAltName' => '', ), ); $level3 = array( 'extensions' => array( 'subjectAltName' => 'foo', ), ); var_dump(!empty($level1['extensions']) && !empty($level1['extensions']['subjectAltName'])); var_dump(!empty($level2['extensions']) && !empty($level2['extensions']['subjectAltName'])); var_dump(!empty($level3['extensions']) && !empty($level3['extensions']['subjectAltName'])); echo '------------', PHP_EOL; var_dump(!empty($level1['extensions']['subjectAltName'])); var_dump(!empty($level2['extensions']['subjectAltName'])); var_dump(!empty($level3['extensions']['subjectAltName']));
Output for git.master, git.master_jit, rfc.property-hooks
bool(false) bool(false) bool(true) ------------ bool(false) bool(false) bool(true)

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