<?php function getHookPattern($hook) { return preg_replace( '/^(?<prefix>[a-z0-9_]+_)?[A-Z][A-Z0-9_]+(?<suffix>_[a-z0-9]+)?$/', '${1}[a-z0-9_]+${2}', $hook ); } $hooks = [ 'form_alter', 'form_FORM_ID_alter', 'entity_query_tag__ENTITY_TYPE__TAG_alter', 'ENTITY_TYPE_insert', 'preprocess_BLOCK', 'foo_BAR0_baz', 'foo_BAR_0baz', 'foo_BAR_0_baz', ]; foreach ($hooks as $hook) { print getHookPattern($hook) . "\n"; }
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