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<?php $array = array( (object)array( 'first_name' => 'Léa', 'last_name' => 'Weber', ), (object)array( 'first_name' => 'Alexandre', 'last_name' => 'Dupont', ), (object)array( 'first_name' => 'Léa', 'last_name' => 'Zotal', ), (object)array( 'first_name' => 'Jérémie', 'last_name' => 'Hoffmann', ) ); usort($array, function($a, $b) { return [$a->last_name, $a->first_name] <=> [$b->last_name, $b->first_name]; }); var_export($array);
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.
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 - 8.3.27, 8.4.1 - 8.4.14
array ( 0 => (object) array( 'first_name' => 'Alexandre', 'last_name' => 'Dupont', ), 1 => (object) array( 'first_name' => 'Jérémie', 'last_name' => 'Hoffmann', ), 2 => (object) array( 'first_name' => 'Léa', 'last_name' => 'Weber', ), 3 => (object) array( 'first_name' => 'Léa', 'last_name' => 'Zotal', ), )

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