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<?php function isset_or(&$check, $alternate = NULL) { return (isset($check)) ? $check : $alternate; } $orig = ['alpha' => 1]; $tested = $orig; echo 'isset_or($tested["beta"]): ', isset_or($tested['beta'], 'nope'); var_export([ '$orig' => $orig, '$tested' => $tested, 'array_key_exists("beta")' => [ '$orig' => array_key_exists('beta', $orig), '$tested' => array_key_exists('beta', $tested), ], ]);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
isset_or($tested["beta"]): nopearray ( '$orig' => array ( 'alpha' => 1, ), '$tested' => array ( 'alpha' => 1, 'beta' => NULL, ), 'array_key_exists("beta")' => array ( '$orig' => false, '$tested' => true, ), )
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99.23 ms | 2428 KiB | 4 Q