You can do this as shown in the following example:
<?php
/* @var $installer Mage_Core_Model_Resource_Setup */
$oInstaller = $this;
$oInstaller->startSetup();
$oCmsBlocks = [
[
'title' => 'Footer bar for benefits',
'identifier' => 'footer-bar',
'content' => <<<HTML
<ul>
<li>Shop Benefit 1</li>
<li>Shop Benefit 2</li>
<li>Shop Benefit 3</li>
<li>Shop Benefit 4</li>
<li>Customer Service (D):
<a href="tel:08008828838" class="tel">0800 - 882 883 8</a>
</li>
</ul>
HTML
,
'is_active' => 1,
'stores' => 0
],
[
'title' => 'Footer payment methods',
'identifier' => 'footer-left',
'content' => <<<HTML
<p>Payment methods:</p>
<ul class="img-list">
<li>
<img src="{{skin url='images/payment/visa.png'}}"
alt="Visa"></li>
<li>
<img src="{{skin url='images/payment/paypal.png'}}"
alt="PayPal"></li>
<li>
<img src="{{skin url='images/payment/mastercard.png'}}"
alt="MasterCard"></li>
<li>
<img src="{{skin url='images/payment/ec.png'}}"
alt="EC"></li>
</ul>
HTML
,
'is_active' => 1,
'stores' => 0
],
[
'title' => 'Footer social media',
'identifier' => 'footer-right',
'content' => <<<HTML
<p>Visit us on Facebook</p>
<ul class="social-media">
<li>
<a href="http://www.facebook.com/LAMYGermany"
target="_blank">
<img class="social-media-logo"
title="Facebook" alt="Facebook"
src="{{skin url='images/social/facebook.svg'}}">
Facebook
</a>
</li>
</ul>
HTML
,
'is_active' => 1,
'stores' => 0
]
];
foreach ($aCmsBlocks as $aData) {
/* @var Mage_Cms_Model_Block $oBlock */
$oBlock = Mage::getModel('cms/block')->load(
$aData['identifier'], 'identifier'
);
if ($oBlock->getId()) {
$aData['block_id'] = $oBlock->getId();
$oBlock->setData($aData)
->save();
} else {
Mage::getModel('cms/block')->setData($aData)->save();
}
}
$oInstaller->endSetup();
For more examples have a look at the folder mage/app/code/core/Mage/Cms/data/cms_setup.