Defensive code for the case when addon_hooks key does not exist
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1 changed files with 6 additions and 1 deletions
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@ -27,7 +27,12 @@ function mathjax_uninstall() {
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Addon::unregisterHook('template_vars', 'addon/mathjax/mathjax.php', 'mathjax_template_vars');
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}
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function mathjax_template_vars($a, &$arr) {
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function mathjax_template_vars($a, &$arr)
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{
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if (!array_key_exists('addon_hooks',$arr['vars']))
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{
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$arr['vars']['addon_hooks'] = array();
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}
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$arr['vars']['addon_hooks'][] = "mathjax";
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}
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