[ 0 => [ 'a' => 'green', 'b' => 'brown', 'c' => 'blue', 0 => 'red', ], 1 => [ 'a' => 'green', 0 => 'yellow', 1 => 'red', ], 2 => 'compare_func',]
[ 'result' => [ 'array' => [ 'b' => 'brown', 'c' => 'blue', 0 => 'red', ], ], 'php_version' => '7.1.33 Linux x86_64',]
[ 0 => [ 'a' => 1, 'b' => 2, 'c' => 3, ], 1 => [ 'a' => 2, 'c' => '3', ], 2 => 'strcmp',]
[ 'result' => [ 'array' => [ 'a' => 1, 'b' => 2, ], ], 'php_version' => '7.1.33 Linux x86_64',]