What are the implications of not using opening and closing curly braces in PHP code blocks, as seen in the foreach loop in the provided code snippet?

Not using opening and closing curly braces in PHP code blocks can lead to ambiguity and potential errors, especially when the code block contains multiple statements. To avoid confusion and ensure code readability, it is recommended to always use curly braces even for single-line code blocks. 

// Incorrect code without curly braces
foreach($array as $item)
    echo $item;

// Corrected code with curly braces
foreach($array as $item) {
    echo $item;
}

Keywords

foreach curly braces PHP syntax error code block

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