Online PHP editor | output for rcr0d

<?php $fixers = ['short_array_syntax', 'unix_line_endings', 'elseif', 'long_array_syntax', 'echo_to_print', 'print_to_echo']; $conflicts = array( 'unalign_double_arrow' => 'align_double_arrow', 'unalign_equals' => 'align_equals', 'concat_without_spaces' => 'concat_with_spaces', 'concat_with_spaces' => 'concat_without_spaces', 'print_to_echo' => 'echo_to_print', 'short_array_syntax' => 'long_array_syntax', 'single_blank_line_before_namespace' => 'no_blank_lines_before_namespace', 'phpdoc_var_to_type' => 'phpdoc_type_to_var', 'phpdoc_type_to_var' => 'phpdoc_var_to_type', 'echo_to_print' => 'print_to_echo', 'psr4' => 'psr0', 'psr0' => 'psr4', 'long_array_syntax' => ['short_array_syntax', 'phpdoc_var_to_type'], 'no_blank_lines_before_namespace' => 'single_blank_line_before_namespace', 'align_double_arrow' => 'unalign_double_arrow', 'align_equals' => 'unalign_equals', ); foreach ($fixers as $fixer) { if (isset($conflicts[$fixer]) && $conflicts = array_intersect((array) $conflicts[$fixer], $fixers) ) { echo sprintf('Fixer "%s" conflicts with fixers "%s".', $fixer, implode('", "', $conflicts)); } }