diff --git a/devops/codecheck/rules/phpcs.xml b/devops/codecheck/rules/phpcs.xml
new file mode 100644
index 0000000000000000000000000000000000000000..2582e8367df172cbcd9b47644a796636d0f09e08
--- /dev/null
+++ b/devops/codecheck/rules/phpcs.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0"?>
+<ruleset name="VuFind Coding Standards" namespace="VuFind\PHPCS">
+ <description>Coding standards for VuFind.</description>
+ <file>../module</file>
+ <exclude-pattern>module/[^/]+/config/*</exclude-pattern>
+ <exclude-pattern>module/[^/]+/tests/*</exclude-pattern>
+ <exclude-pattern>/devops/*</exclude-pattern>
+ <arg name="extensions" value="php"/>
+ <rule ref="PEAR">
+ <exclude name="PEAR.Commenting.FunctionComment.ParamCommentAlignment" />
+ </rule>
+ <rule ref="PEAR.WhiteSpace.ObjectOperatorIndent">
+ <properties>
+ <property name="multilevel" value="true" />
+ </properties>
+ </rule>
+</ruleset>
diff --git a/devops/codecheck/rules/vufind.php-cs-fixer.php b/devops/codecheck/rules/vufind.php-cs-fixer.php
new file mode 100644
index 0000000000000000000000000000000000000000..d55a4188a9735aca2f6f8032e932c3b3dc55081d
--- /dev/null
+++ b/devops/codecheck/rules/vufind.php-cs-fixer.php
@@ -0,0 +1,93 @@
+<?php
+ /**
+ * Configuration for VuFind 8
+ */
+ $finder = new PhpCsFixer\Finder();
+ $finder->in(__DIR__ . '/../../../config')
+ ->in(__DIR__ . '/../../../module')
+ ->in(__DIR__ . '/../../../public');
+
+ $rules = [
+ 'align_multiline_comment' => true,
+ 'array_syntax' => ['syntax' => 'short'],
+ 'binary_operator_spaces' => [
+ 'default' => 'single_space',
+ 'operators' => ['=' => null, '=>' => null],
+ ],
+ 'blank_line_after_namespace' => true,
+ 'braces' => true,
+ 'cast_spaces' => ['space' => 'none'],
+ 'class_attributes_separation' => ['elements' => ['method' => 'one', 'property' => 'one']],
+ 'concat_space' => ['spacing' => 'one'],
+ 'constant_case' => ['case' => 'lower'],
+ 'elseif' => true,
+ 'encoding' => true,
+ 'ereg_to_preg' => true,
+ 'full_opening_tag' => true,
+ 'function_declaration' => true,
+ 'function_typehint_space' => true,
+ 'indentation_type' => true,
+ 'is_null' => true,
+ 'line_ending' => true,
+ 'linebreak_after_opening_tag' => true,
+ 'list_syntax' => ['syntax' => 'short'],
+ 'lowercase_cast' => true,
+ 'lowercase_keywords' => true,
+ 'magic_constant_casing' => true,
+ 'method_argument_space' => true,
+ 'native_function_casing' => true,
+ 'no_blank_lines_after_class_opening' => true,
+ 'no_blank_lines_after_phpdoc' => true,
+ 'no_blank_lines_before_namespace' => true,
+ 'no_closing_tag' => true,
+ 'no_empty_comment' => true,
+ 'no_empty_phpdoc' => true,
+ 'no_empty_statement' => true,
+ 'no_extra_blank_lines' => true,
+ 'no_leading_import_slash' => true,
+ 'no_leading_namespace_whitespace' => true,
+ 'no_mixed_echo_print' => true,
+ 'no_singleline_whitespace_before_semicolons' => true,
+ 'no_spaces_after_function_name' => true,
+ 'no_spaces_around_offset' => true,
+ 'no_spaces_inside_parenthesis' => true,
+ 'no_trailing_whitespace' => true,
+ 'no_trailing_whitespace_in_comment' => true,
+ 'no_unneeded_control_parentheses' => true,
+ 'no_unneeded_curly_braces' => true,
+ 'no_unused_imports' => true,
+ 'no_useless_return' => true,
+ 'no_whitespace_before_comma_in_array' => true,
+ 'no_whitespace_in_blank_line' => true,
+ 'non_printable_character' => true,
+ 'ordered_imports' => true,
+ 'phpdoc_no_access' => true,
+ 'php_unit_dedicate_assert_internal_type' => true,
+ 'php_unit_expectation' => true,
+ 'php_unit_method_casing' => true,
+ 'php_unit_mock' => true,
+ 'php_unit_no_expectation_annotation' => true,
+ 'pow_to_exponentiation' => true,
+ 'single_blank_line_at_eof' => true,
+ 'single_class_element_per_statement' => true,
+ 'single_import_per_statement' => true,
+ 'single_line_after_imports' => true,
+ 'short_scalar_cast' => true,
+ 'standardize_not_equals' => true,
+ 'switch_case_semicolon_to_colon' => true,
+ 'switch_case_space' => true,
+ 'ternary_operator_spaces' => true,
+ 'ternary_to_null_coalescing' => true,
+ 'visibility_required' => true,
+ ];
+
+ $cacheDir = __DIR__ . '/../../../data/cache/.php_cs_cache';
+ if (!is_dir($cacheDir)) {
+ mkdir($cacheDir);
+ }
+
+ $config = new PhpCsFixer\Config();
+ return $config->setCacheFile($cacheDir . '/.code.cache')
+ ->setRiskyAllowed(true)
+ ->setRules($rules)
+ ->setFinder($finder);
diff --git a/devops/codecheck/rules/vufind_templates.php-cs-fixer.php b/devops/codecheck/rules/vufind_templates.php-cs-fixer.php
new file mode 100644
index 0000000000000000000000000000000000000000..ff3070f91609396792e322f563e652fe00ff510b
--- /dev/null
+++ b/devops/codecheck/rules/vufind_templates.php-cs-fixer.php
@@ -0,0 +1,83 @@
+<?php
+/**
+ * Configuration for VuFind 8
+ */
+$finder = new PhpCsFixer\Finder();
+$finder->in(__DIR__ . '/../../../themes')
+ ->name('*.phtml');
+
+$rules = [
+ 'align_multiline_comment' => true,
+ 'array_syntax' => ['syntax' => 'short'],
+ 'binary_operator_spaces' => [
+ 'default' => 'single_space',
+ ],
+ 'blank_line_after_namespace' => true,
+ //'braces' => true, // disabled because we don't want to create inconsistent indentation, but useful to normalize control structure spacing
+ 'cast_spaces' => ['space' => 'none'],
+ 'class_attributes_separation' => ['elements' => ['method' => 'one', 'property' => 'one']],
+ 'concat_space' => ['spacing' => 'one'],
+ 'constant_case' => ['case' => 'lower'],
+ 'elseif' => true,
+ 'encoding' => true,
+ 'ereg_to_preg' => true,
+ 'full_opening_tag' => true,
+ 'function_declaration' => true,
+ 'function_typehint_space' => true,
+ 'indentation_type' => true,
+ 'is_null' => true,
+ 'line_ending' => true,
+ 'list_syntax' => ['syntax' => 'short'],
+ 'lowercase_cast' => true,
+ 'lowercase_keywords' => true,
+ 'magic_constant_casing' => true,
+ 'method_argument_space' => true,
+ 'native_function_casing' => true,
+ 'no_blank_lines_after_class_opening' => true,
+ 'no_blank_lines_after_phpdoc' => true,
+ 'no_blank_lines_before_namespace' => true,
+ 'no_empty_comment' => true,
+ 'no_empty_phpdoc' => true,
+ 'no_empty_statement' => true,
+ 'no_extra_blank_lines' => true,
+ 'no_leading_import_slash' => true,
+ 'no_leading_namespace_whitespace' => true,
+ 'no_mixed_echo_print' => true,
+ 'no_singleline_whitespace_before_semicolons' => true,
+ 'no_spaces_after_function_name' => true,
+ 'no_spaces_around_offset' => true,
+ 'no_spaces_inside_parenthesis' => true,
+ 'no_trailing_whitespace' => true,
+ 'no_unneeded_control_parentheses' => true,
+ 'no_unneeded_curly_braces' => true,
+ 'no_unused_imports' => true,
+ 'no_useless_return' => true,
+ 'no_whitespace_before_comma_in_array' => true,
+ 'no_whitespace_in_blank_line' => true,
+ 'non_printable_character' => true,
+ 'ordered_imports' => true,
+ 'phpdoc_no_access' => true,
+ 'pow_to_exponentiation' => true,
+ 'single_blank_line_at_eof' => true,
+ 'single_class_element_per_statement' => true,
+ 'single_import_per_statement' => true,
+ 'single_line_after_imports' => true,
+ 'short_scalar_cast' => true,
+ 'standardize_not_equals' => true,
+ 'switch_case_semicolon_to_colon' => true,
+ 'switch_case_space' => true,
+ //'ternary_operator_spaces' => true, // disabled due to bug in php-cs-fixer 2.7.1
+ 'ternary_to_null_coalescing' => true,
+ 'visibility_required' => true,
+];
+
+$cacheDir = __DIR__ . '/../../../data/cache/.php_cs_cache';
+if (!is_dir($cacheDir)) {
+ mkdir($cacheDir);
+}
+
+$config = new PhpCsFixer\Config();
+return $config->setCacheFile($cacheDir . '/.template.cache')
+ ->setRiskyAllowed(true)
+ ->setRules($rules)
+ ->setFinder($finder);