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run code in 150+ php & hhvm versions
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<?php $str = "5,1"; $base = array('1'=>'Bread','5'=>'Butter'); $replacements = array_values( array_intersect_key( $base, array_flip( explode(',', $str)))); print_r( $replacements);
Output for 5.1.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [0] => Bread [1] => Butter )
Output for 5.0.0 - 5.0.5
Fatal error: Call to undefined function array_intersect_key() in /in/7gASU on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_intersect_key() in /in/7gASU on line 4
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: array_intersect_key() in /in/7gASU on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_intersect_key() in /in/7gASU on line 4