How to make such a comparison?

Question

PHP

Greetings, there is an example:
{if $variable == 'value'}true{else}false{/if}
How to make it so that if the value of the variable contains value but with an addition, for example, valuedop, so that in my example it is still true

Answer 1

{if strstr($variable, 'value') !== false}true{else}false{/if}