Count all elements in an array, or something in an object - PHP

Count all elements in an array, or something in an object - PHP

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日期:2025-04-25
Please see the Array section of the manual for a detailed explanation of how arrays are ... is an array; isset() - Determine if a variable is set and is not NULL; strlen() - Get string length ... Get maxWidth and maxHeight of a two dimensional ar...看更多