How to determine whether it is an array in php

php method to determine whether it is an array: 1. Create a PHP sample file; 2. Define a variable; 3. Pass "if( is_array( $a ) ){...}else{... }" method can be used to determine whether the specified variable is an array.

#The operating environment of this article: Windows 7 system, PHP version 7.4, Dell G3 computer.

php How to determine whether it is an array?

Code example:

$a = 1;
if( is_array( $a ) ){
  echo '是数组';
}else{
   echo '不是数组0';
}

Determine whether the variable type is an array type.

Syntax: int is_array(mixed var);

Return value: integer

Function type: PHP system function

Content Description

If the variable is an array type, it returns true, otherwise it returns false.

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