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<?php $str = "1,5"; $base = array('1'=>'Bread','5'=>'Butter'); $flipped = array_flip( explode(',', $str)); print_r( $flipped); print_r( array_merge( array_flip( array('1','5')), $flipped)); $intersection = array_intersect_key( array_merge( $flipped, $base), $flipped); print_r( $intersection); $replacements = array_values( $intersection); print_r( $replacements);
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [1] => 0 [5] => 1 ) Array ( [0] => 0 [1] => 1 [2] => 0 [3] => 1 ) Array ( [1] => 1 ) Array ( [0] => 1 )
Output for 5.0.0 - 5.0.5
Array ( [1] => 0 [5] => 1 ) Array ( [0] => 0 [1] => 1 [2] => 0 [3] => 1 ) Fatal error: Call to undefined function array_intersect_key() in /in/FU9J5 on line 10
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Array ( [1] => 0 [5] => 1 ) Array ( [0] => 0 [1] => 1 [2] => 0 [3] => 1 ) Fatal error: Call to undefined function: array_intersect_key() in /in/FU9J5 on line 10
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Array ( [1] => 0 [5] => 1 ) Array ( [0] => 0 [1] => 1 [2] => 0 [3] => 1 ) Fatal error: Call to undefined function: array_intersect_key() in /in/FU9J5 on line 10
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Array ( [1] => 0 [5] => 1 ) Array ( [0] => 0 [1] => 1 [2] => 0 [3] => 1 ) Fatal error: Call to undefined function: array_intersect_key() in /in/FU9J5 on line 10

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