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<?php $a = [ [ 'name' => 'Fred', 'age' => 20, 'test' => 'sa' ], [ 'name' => 'Alex', 'age' => 18, ], [ 'name' => 'Anna', 'age' => 24, ], [ 'name' => 'Tommy', 'age' => 22 ], [ 'name' => 'Amber', 'age' => 26 ] ]; $b = [ ['Fred'], ['Anna'], ['Alex'], ]; $lookup = array_column($a, null, 'name'); var_export( array_map( fn($name) => $lookup[$name[0]], $b ) );
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.28, 8.4.1 - 8.4.14, 8.4.16, 8.5.0 - 8.5.1
array ( 0 => array ( 'name' => 'Fred', 'age' => 20, 'test' => 'sa', ), 1 => array ( 'name' => 'Anna', 'age' => 24, ), 2 => array ( 'name' => 'Alex', 'age' => 18, ), )
Output for 8.4.15
/bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libm.so.6: version `GLIBC_2.35' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.34' not found (required by /bin/php-8.4.15) /bin/php-8.4.15: /usr/lib/libc.so.6: version `GLIBC_2.38' not found (required by /bin/php-8.4.15)
Process exited with code 1.
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159.34 ms | 407 KiB | 5 Q