How can PHP beginners ensure they are effectively checking variable values for specific criteria?

PHP beginners can ensure they are effectively checking variable values for specific criteria by using conditional statements like if, else if, and else. These statements allow them to compare the variable value against the desired criteria and execute different code blocks based on the result. Additionally, they can use comparison operators such as ==, !=, >, <, etc., to compare the variable value with specific criteria. 

// Example code snippet to check if a variable meets specific criteria
$age = 25;

if ($age &gt;= 18) {
    echo &quot;You are an adult.&quot;;
} else {
    echo &quot;You are not an adult.&quot;;
}

Keywords

PHP variable values criteria validation error handling

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