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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 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.27, 8.3.29 - 8.3.30, 8.4.1 - 8.4.17, 8.5.0 - 8.5.3
Warning: Uninitialized string offset 0 in /in/gVpPk on line 16 string(35) "should be called but raise an error"
Output for 8.3.28
/bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.3.28) /bin/php-8.3.28: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.3.28)
Process exited with code 1.
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
Notice: Uninitialized string offset: 0 in /in/gVpPk on line 16 string(35) "should be called but raise an error"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/gVpPk on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/gVpPk on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/gVpPk on line 3
Process exited with code 255.

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