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<?php $A = [3,45,67,8]; $B = [ 1 => [1,6,8], 2 => [5,67,3,4,5,66,6], 3 => [55,56,57,58], 4 => [45,80,81,82] ]; $result = []; foreach ($B as $key => $haystack) { if (array_intersect($B, $A)) { $result[] = $key; } } var_export($result);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 Warning: Array to string conversion in /in/5rRNf on line 11 array ( )

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