PHP数组中怎么用array
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PHP数组中怎么用array_search()查找值的键名
你可以使用array_search()函数来查找数组中特定值的键名。以下是一个示例:$fruits = array(“apple”, “banana”, “orange”, “grape”);$key = array_search(“orange”, $fruits);if($key !== false) {echo “The key of 'orange' in the a
你可以使用array_search()函数来查找数组中特定值的键名。以下是一个示例:$fruits = array(“apple”, “banana”, “orange”, “grape”);$key = array_search(“orange”, $fruits);if($key !== false) {echo “The key of 'orange' in the a