php涓璦rray_intersect_key鍑芥暟鏈変粈涔堢敤
扬州沐宇科技
2024-05-16 18:24:14
PHP
array_intersect_key鍑芥暟鐢ㄤ簬姣旇緝涓や釜鎴栧涓暟缁勭殑閿紝骞惰繑鍥炰竴涓暟缁勶紝鍏朵腑鍖呭惈鎵€鏈夋暟缁勪腑閮藉瓨鍦ㄧ殑閿€傛崲鍙ヨ瘽璇达紝瀹冭繑鍥炵殑鏄竴涓柊鏁扮粍锛屽叾涓寘鍚墍鏈夎緭鍏ユ暟缁勪腑鍏卞悓瀛樺湪鐨勯敭銆?/p>
绀轰緥锛?/p>
$array1 = array("a" => "red", "b" => "green", "c" => "blue");
$array2 = array("a" => "red", "b" => "green");
$array3 = array("a" => "red");
$result = array_intersect_key($array1, $array2, $array3);
print_r($result);
鍦ㄨ繖涓緥瀛愪腑锛?result灏嗗寘鍚敭"a"锛屽洜涓哄畠鍦ㄦ墍鏈変笁涓緭鍏ユ暟缁勪腑閮藉瓨鍦紝鑰屽叾浠栭敭鍒欎笉浼氬寘鍚湪缁撴灉涓€?/p>
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