What is the difference between single quotes and double quotes in php? -PHP Chinese website Q&A-What is the difference between single quotes and double quotes in PHP? -PHP Chinese website Q&A
Please watch and learn.
双引号里面的字段会经过编译器解释，然后再当作HTML代码输出。单引号里面的不进行解释，直接输出。
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What is the difference between single quotes and double quotes in php? -PHP Chinese website Q&A-What is the difference between single quotes and double quotes in PHP? -PHP Chinese website Q&A
Please watch and learn.
双引号里面的字段会经过编译器解释，然后再当作HTML代码输出。
单引号里面的不进行解释，直接输出。