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<?php $dom = [ [ 'style' => [ 'text-align' => '', ] ], [ 'style' => [ ] ] ]; $key = 0; if (isset($dom[$key]['style']['text-align'])) { $align = strtoupper($dom[$key]['style']['text-align'][0]); var_dump('should be called but raise an error'); } if (isset($dom[$key]['style']['text-align'][0])) { var_dump('should not be called'); } $key = 1; if (isset($dom[$key]['style']['text-align'][0])) { var_dump('should not be called because text-align key is not defined'); }
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Uninitialized string offset 0 in /in/gVpPk on line 16 string(35) "should be called but raise an error"

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