How does php add elements to an array

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Php to add elements to the array method: 1, through the "array_push" function to add one or more elements to the end of the array; 2, through the "$arr []" way to add elements to the array.

This article operating environment: Windows7 system, PHP7.1, Dell G3 computer.

How does php add elements to an array?

PHP adds elements to the array

PHP adds elements to an array in two ways:

Array_push (), $arr []

The first kind:

$arr = array (); array_push ($arr, E1, e2. En)

The array_push () function adds one or more elements (into the stack) to the end of the array of the first argument, and then returns the length of the new array.

This function is equal to calling $array [] = $value multiple times.

The second kind:

$arr = array (); $arr [] = e1dexperiarr [] = e2poli.principarr [] = en

The second method is much faster than the first method.

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