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<?php $strings = [ "1,2,3,4", "1,2,3", "1,2" ]; $threeKeys = ['a', 'b', 'c']; foreach ($strings as $string) { extract(array_combine($threeKeys, explode(',', $string, 3))); var_export($a); echo ' _ '; var_export($b); echo ' _ '; var_export($c); echo "\n-----------------\n"; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
'1' _ '2' _ '3,4' ----------------- '1' _ '2' _ '3' ----------------- Fatal error: Uncaught ValueError: array_combine(): Argument #1 ($keys) and argument #2 ($values) must have the same number of elements in /in/XefjM:10 Stack trace: #0 /in/XefjM(10): array_combine(Array, Array) #1 {main} thrown in /in/XefjM on line 10
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
'1' _ '2' _ '3,4' ----------------- '1' _ '2' _ '3' ----------------- Warning: array_combine(): Both parameters should have an equal number of elements in /in/XefjM on line 10 Warning: extract() expects parameter 1 to be array, bool given in /in/XefjM on line 10 '1' _ '2' _ '3' -----------------
Output for 7.1.26 - 7.1.33, 7.2.17 - 7.2.33
'1' _ '2' _ '3,4' ----------------- '1' _ '2' _ '3' ----------------- Warning: array_combine(): Both parameters should have an equal number of elements in /in/XefjM on line 10 Warning: extract() expects parameter 1 to be array, boolean given in /in/XefjM on line 10 '1' _ '2' _ '3' -----------------

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