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Prestashop Modules<br />
Prestashop is an extensible system, which means that its functionality can be modified with the help<br />
of modules. Modules use hooks in order to alter the behavior of the system without intervening the<br />
core files. This process helps upgrade to the newer platform version easier and, moreover, it<br />
eliminates possible conflicts of modules that can change the behavior of the same function.<br />
Prestashop uses over 100 hooks.<br />
Hook: :exec( ‘displаyHeаder’) – this code initiates the execution of modules, registered in the hook<br />
“header”.<br />
The method module: :registerHооk( $hооk_nаme, $shоp_list = null) connects module to a hook<br />
The list of all hooks is available in the table “hook” :<br />
Let’s take a closer look at this table:<br />
• Id_hооk – auto-increment field;<br />
• Name – the name of the hook, can be used for registering a module;<br />
• Title – the title of the hook, understandable for a human;<br />
• Description – description of the hook;<br />
• Position – the sorting goes by this field. Also it can serve as a flag in the method Hook: :getHооks(<br />
$position = false);<br />
• Live_edit – bool. Is this hook usable with live edit;<br />
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