20 行
		
	
	
	
		
			418 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			20 行
		
	
	
	
		
			418 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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class MigrationVersion extends CI_Model {
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	function getMigrationVersion() {
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        $this->db->select_max('version');
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        $query = $this->db->get('migrations');
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        $migration_version = $query->row();
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        if ($query->num_rows() == 1) {
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            $migration_version = $query->row()->version;
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            return $migration_version;
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        } else {
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            return null;
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        }
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    }
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}
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?>
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