php array_merge() function

英[mɜ:dʒ] 美[mɜ:rdʒ]

vt.& vi. Integrate; (make) mix; blend; gradually disappear into something

Third person Singular: merges Present participle: merging Past tense: merged Past participle: merged

php array_merge() function syntax

Function:Merge one or more arrays into one array

Syntax: array_merge(array1,array2,array3...)

Parameters:

Instructions: You can input one or more arrays to the function. If two or more array elements have the same key name, the last element overwrites the others. If you input only an array to the array_merge() function, and the keys are integers, the function will return a new array with integer keys, re-indexed starting with 0.

php array_merge() function example

<?php
$name1=array("西门","灭绝");
$name2=array("无忌","peter");
print_r(array_merge($name1,$name2));
?>

Output:

Array ( [0] => 西门 [1] => 灭绝 [2] => 无忌 [3] => peter )

<?php
$str1=array("a"=>"西门","b"=>"灭绝");
$str2=array("c"=>"欧阳克","b"=>"无忌");
print_r(array_merge($str1,$str2));
?>

Output:

Array ( [a] => 西门 [b] => 无忌 [c] => 欧阳克 )