php - Two Ampersands Between Function Calls

Question

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

What do two ampersands separating function calls do? Note: this is OUTSIDE any if statement or case statement

Like so:

functionCallOne() && functionCallTwo();

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1 Answer

深蓝 · Answer 1 · 2021-10-23T21:38:09+0000

it is equivalent to

if ( functionCallOne() ) {
  functionCallTwo();
}

it just uses the short circuiting to make this 3 liner only take up one line