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<?php $assoc_array = array( array( 'firstname' => 'John', 'lastname' => 'Doe', 'age' => 26 ), array( 'firstname' => 'Sophia', 'lastname' => 'Smith', 'age' => 30 ) ); $array = array( 'firstname' => 'John', 'lastname' => 'Doe' ); foreach($assoc_array as $sub){ $match = array_intersect($sub, $array); if($match) $new[] = $sub; } var_dump($new);
Output for 5.6.38, 7.1.0 - 7.1.23, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
array(1) { [0]=> array(3) { ["firstname"]=> string(4) "John" ["lastname"]=> string(3) "Doe" ["age"]=> int(26) } }
preferences:
77.03 ms | 407 KiB | 5 Q