PHP array_intersect_ukey() 函数PHP Array 函数实例比较两个数组的键名(使用用户自定义函数比较键名),并返回交集:<?phpfunction myfunction($a,$b){if ($a===$b) { return 0
PHP array_intersect_uassoc() 函数PHP Array 函数实例比较两个数组的键名和键值(使用用户自定义函数比较键名),并返回交集:<?phpfunction myfunction($a,$b){if ($a===$b) {
PHP array_intersect_key() 函数PHP Array 函数实例比较两个数组的键名,并返回交集:<?php$a1=array("a"=>"red","b"=>"green","c"=>"blue");$a2=array("a"=>"red","c"=>"blue&
PHP array_intersect_assoc() 函数PHP Array 函数实例比较两个数组的键名和键值,并返回交集:<?php$a1=array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow");$a2=array(
PHP array_intersect() 函数PHP Array 函数实例比较两个数组的键值,并返回交集:<?php$a1=array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow");$a2=array("e"=>"red&qu
PHP array_filter() 函数PHP Array 函数实例用回调函数过滤数组中的元素:<?phpfunction test_odd($var){return($var & 1);}$a1=array("a","b",2,3,4);print_r(array_filter(
PHP array_fill_keys() 函数PHP Array 函数实例使用指定的键和值填充数组:<?php$keys=array("a","b","c","d");$a1=array_fill_keys($keys,"blue");print_r($a1);?>完整实例:<
PHP array_fill_keys() 函数PHP Array 函数实例使用指定的键和值填充数组:<?php$keys=array("a","b","c","d");$a1=array_fill_keys($keys,"blue");print_r($a1);?> 完整实例
PHP array_fill() 函数PHP Array 函数实例用值填充数组:<?php$a1=array_fill(3,4,"blue");print_r($a1);?>完整实例:<!DOCTYPE html><html><body><?php$a1=array_fill(3,4,"bl
PHP array_diff_ukey() 函数PHP Array 函数实例比较两个数组的键名(使用用户自定义函数比较键名),并返回差集:<?phpfunction myfunction($a,$b){if ($a===$b) { return 0; }
PHP array_diff_uassoc() 函数PHP Array 函数实例比较两个数组的键名和键值(使用用户自定义函数来比较键名),并返回差集:<?phpfunction myfunction($a,$b){if ($a===$b) { ret
PHP array_diff_key() 函数PHP Array 函数实例比较两个数组的键名,并返回差集:<?php$a1=array("a"=>"red","b"=>"green","c"=>"blue");$a2=array("a"=>"red","c"=>"blue"
PHP array_diff_assoc() 函数PHP Array 函数实例比较两个数组的键和值,并返回差集:<?php$a1=array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow");$a2=array("a"=>"red
PHP array_diff() 函数PHP Array 函数实例比较两个数组的键值,并返回差集:<?php$a1=array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow");$a2=array("e"=>"red",&
PHP array_count_values() 函数PHP Array 函数实例对数组中的所有值进行计数:<?php$a=array("A","Cat","Dog","A","Dog");print_r(array_count_values($a));?>完整实例:<!DOCT