{"id":30433,"date":"2023-01-17T15:29:04","date_gmt":"2023-11-07T07:08:54","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e6%95%b0%e7%bb%84\/"},"modified":"2025-08-12T19:09:36","modified_gmt":"2025-08-12T11:09:36","slug":"%e3%80%90php%e3%80%91%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90php%e3%80%91%e6%95%b0%e7%bb%84\/","title":{"rendered":"\u3010PHP\u3011\u6570\u7ec4"},"content":{"rendered":"

\u8fd9\u7bc7\u6587\u7ae0\u662fPHP\u603b\u590d\u4e60\u65e5\u5386\u7684\u7b2c\u4e09\u5929\u7684\u6587\u7ae0\uff01<\/p>\n

\u6211\u672c\u6765\u662f\u60f3\u8c08\u8bba\u51fd\u6570\u7684\uff0c\u4e0d\u8fc7\u5728\u8fd9\u4e4b\u524d\u6211\u5148\u5199\u4e86\u4e00\u4e2a\u6570\u7ec4\uff08\u00b4\u30fb\u03c9\u30fb\uff40\uff09
\n\u867d\u7136\u4f1a\u6d89\u53ca\u5230\u53c2\u6570\u4ec0\u4e48\u7684\uff0c\u4f46\u6211\u4f1a\u8ffd\u52a0\u8bf4\u660e\uff0c\u8bf7\u4f60\u7406\u89e3\u4e00\u4e0b\u3002\u3002\u3002<\/p>\n

\u6570\u7ec4\u7684\u5b9a\u4e49\u5f53\u6211\u4eec\u58f0\u660e\u4e00\u4e2a\u6570\u7ec4\u65f6\uff0c\u5b83\u5c31\u50cf\u4e00\u4e2a\u201c\u5b58\u653e\u591a\u4e2a\u503c\u7684\u76d2\u5b50\u201d\u3002\u5373\u4f7f\u6570\u7ec4\u7684\u5185\u5bb9\u4e3a\u7a7a\uff0c\u5b83\u4e5f\u4f1a\u6210\u4e3a\u4e00\u4e2a\u6570\u7ec4\u3002<\/p>\n

\u5728\u58f0\u660e\u6570\u7ec4\u7684\u540c\u65f6\u53ef\u4ee5\u8d4b\u521d\u503c\u3002<\/p>\n

<?php<\/span>\r\n\r\n$days<\/span> =<\/span> [];<\/span> \/\/ $days\u306f\u914d\u5217<\/span>\r\n\r\n$family<\/span> =<\/span> [<\/span>'dad'<\/span>,<\/span> 'mom'<\/span>,<\/span> 'son'<\/span>,<\/span> 'daughter'<\/span>];<\/span> \/\/ $family\u306f\u914d\u5217<\/span>\r\n<\/code><\/pre>\n
\u203bPHP\u7684\u6570\u7ec4\u5199\u6cd5\u57285.4\u7248\u672c\u4e4b\u540e\u53d1\u751f\u4e86\u53d8\u5316\u3002<\/p>\n
\u6570\u7ec4\u7684\u4e0b\u6807\u5728\u5217\u8868\u4e2d\uff0c\u6bcf\u4e2a\u5217\u4e3e\u7684\u5185\u5bb9\u90fd\u6709\u4e00\u4e2a\u7d22\u5f15\u8868\u793a\u5143\u7d20\u7684\u4f4d\u7f6e\u3002
\n\u7d22\u5f15\u4ece0\u5f00\u59cb\u4f9d\u6b21\u662f0\u30011\u30012\u2026\u2026\u3002\u901a\u8fc7\u7ed9\u7d22\u5f15\u8d4b\u503c\u53ef\u4ee5\u8bbf\u95ee\u6570\u7ec4\u7684\u5143\u7d20\u3002<\/p>\n
<?php<\/span>\r\n\r\n\/\/ \u6dfb\u5b57\u306f0, 1, 2, 3<\/span>\r\n$family<\/span> =<\/span> [<\/span>'dad'<\/span>,<\/span> 'mom'<\/span>,<\/span> 'son'<\/span>,<\/span> 'daughter'<\/span>];<\/span>\r\n\r\necho<\/span> $family<\/span>[<\/span>0<\/span>];<\/span> \/\/ 'dad'<\/span>\r\n\r\necho<\/span> $family<\/span>[<\/span>3<\/span>];<\/span> \/\/ 'daughter'<\/span>\r\n<\/code><\/pre>\n
\u5173\u4e8e”\u8fde\u60f3\u914d\u5217”\u7684\u4e2d\u6587\u8868\u8fbe\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e2a\u9009\u9879\uff1a\u8054\u60f3\u6570\u7ec4<\/p>\n
\u53ef\u4ee5\u901a\u8fc7\u7ed9\u5143\u7d20\u547d\u540d\uff08\u952e\uff09\u6765\u4ee3\u66ff\u7d22\u5f15\u6765\u8bbf\u95ee\u3002<\/p>\n
<?php<\/span>\r\n\r\n$family_name<\/span> =<\/span> [<\/span>\r\n    'dad'<\/span> =><\/span> 'Bob'<\/span>,<\/span>\r\n    'mom'<\/span> =><\/span> 'Jessy'<\/span>,<\/span>\r\n    'son'<\/span> =><\/span> 'James'<\/span>,<\/span>\r\n    'daughter'<\/span> =><\/span> 'Emily'<\/span>\r\n];<\/span>\r\n\r\necho<\/span> $family_name<\/span>[<\/span>'dad'<\/span>];<\/span> \/\/ 'Bob'<\/span>\r\n<\/code><\/pre>\n
\u6dfb\u52a0\u8981\u7d20<\/p>\n
\u5728\u672b\u5c3e\u6dfb\u52a0\u5143\u7d20\u8981\u5728\u6570\u7ec4\u7684\u672b\u5c3e\u6dfb\u52a0\u65b0\u5143\u7d20\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u63cf\u8ff0:<\/p>\n
<?php<\/span>\r\n\r\n\/\/ \u6dfb\u5b57\u914d\u5217\u306e\u5834\u5408<\/span>\r\n$family<\/span> =<\/span> [<\/span>'dad'<\/span>,<\/span> 'mom'<\/span>,<\/span> 'son'<\/span>,<\/span> 'daughter'<\/span>];<\/span>\r\n\r\n$family<\/span>[]<\/span> =<\/span> 'puppy'<\/span>;<\/span> \/\/ \u914d\u5217\u306e\u672b\u5c3e\u306b\u8981\u7d20\u3092\u8ffd\u52a0<\/span>\r\n\r\necho<\/span> $family<\/span>[<\/span>4<\/span>];<\/span> \/\/ 'puppy'<\/span>\r\n\r\n\r\n\/\/ \u9023\u60f3\u914d\u5217\u306e\u5834\u5408<\/span>\r\n$family_name<\/span> =<\/span> [<\/span>\r\n    'dad'<\/span> =><\/span> 'Bob'<\/span>,<\/span>\r\n    'mom'<\/span> =><\/span> 'Jessy'<\/span>,<\/span>\r\n    'son'<\/span> =><\/span> 'James'<\/span>,<\/span>\r\n    'daughter'<\/span> =><\/span> 'Emily'<\/span>\r\n];<\/span>\r\n\r\n$family_name<\/span>[<\/span>'puppy'<\/span>]<\/span> =<\/span> 'John'<\/span>;<\/span>\r\n\r\necho<\/span> $family_name<\/span>[<\/span>'puppy'<\/span>];<\/span> \/\/ 'John'<\/span>\r\n<\/code><\/pre>\n
\u5728\u5217\u8868\u5f00\u5934\u6dfb\u52a0\u5143\u7d20\u5982\u679c\u8981\u5728\u5f00\u5934\u6dfb\u52a0\uff0c\u53ef\u4ee5\u4f7f\u7528array_unshift()\u51fd\u6570\u3002<\/p>\n
<?php<\/span>\r\n\r\n$family<\/span> =<\/span> [<\/span>'dad'<\/span>,<\/span> 'mom'<\/span>,<\/span> 'son'<\/span>,<\/span> 'daughter'<\/span>];<\/span>\r\n\r\narray_unshift<\/span>(<\/span>$family<\/span>,<\/span> 'grandma'<\/span>);<\/span>\r\n\r\n\/\/ $family\u306f['grandma', 'dad', 'mom', 'son', 'daughter']\u306b\u306a\u308b<\/span>\r\n<\/code><\/pre>\n
\u5728\u4efb\u610f\u7684\u4f4d\u7f6e\u6dfb\u52a0\u5143\u7d20
\n\u5982\u679c\u8981\u5728\u6570\u7ec4\u4e2d\u95f4\u63d2\u5165\u5143\u7d20\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u3002
\narray_splice()\u539f\u672c\u662f\u4e00\u4e2a\u7528\u4e8e\u66ff\u6362\u5143\u7d20\u7684\u51fd\u6570\uff0c\u4f46\u662f\u5f53\u5728\u7b2c\u4e09\u4e2a\u53c2\u6570\u4e2d\u6307\u5b9a0\u65f6\uff0c\u53ef\u4ee5\u4e0d\u5220\u9664\u5143\u7d20\u800c\u8fdb\u884c\u63d2\u5165\u3002<\/p>\n
<?php<\/span>\r\n\r\n$family<\/span> =<\/span> [<\/span>'dad'<\/span>,<\/span> 'mom'<\/span>,<\/span> 'son'<\/span>];<\/span>\r\n\r\n\/\/ $family[2]\u306e\u524d\u306b'uncle'\u3092\u8ffd\u52a0<\/span>\r\narray_splice<\/span>(<\/span>$family<\/span>,<\/span> 2<\/span>,<\/span> 0<\/span>,<\/span> 'uncle'<\/span>);<\/span>\r\n\r\n\/\/ ['dad', 'mom', 'uncle', 'son']<\/span>\r\n<\/code><\/pre>\n
\u65b0\u589e\u591a\u4e2a\u5143\u7d20\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528array_push()\u51fd\u6570\u4e00\u6b21\u6027\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u3002<\/p>\n
<?php<\/span>\r\n\r\n$family<\/span> =<\/span> [<\/span>'dad'<\/span>,<\/span> 'mom'<\/span>,<\/span> 'son'<\/span>];<\/span>\r\narray_push<\/span>(<\/span>$family<\/span>,<\/span> 'puppy'<\/span>,<\/span> 'citty'<\/span>);<\/span>\r\n\r\n\/\/ ['dad', 'mom', 'son', 'puppy', 'citty']<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528array_merge()\u51fd\u6570\u53ef\u4ee5\u5c06\u4e24\u4e2a\u6570\u7ec4\u5408\u5e76\u3002<\/p>\n
<?php<\/span>\r\n\r\n$family<\/span> =<\/span> [<\/span>'dad'<\/span>,<\/span> 'mom'<\/span>,<\/span> 'son'<\/span>];<\/span>\r\n$add_member<\/span> =<\/span> [<\/span>'grandma'<\/span>,<\/span> 'grandpa'<\/span>];<\/span>\r\n\r\n$new_family<\/span> =<\/span> array_merge<\/span>(<\/span>$add_member<\/span>,<\/span> $family<\/span>);<\/span>\r\n\r\n\/\/ $new_family\u306f['grandma', 'grandpa', 'dad', 'mom', 'son']<\/span>\r\n<\/code><\/pre>\n
\u203b\u5bf9\u4e8earray_merge\u51fd\u6570\uff0c\u539f\u59cb\u6570\u7ec4($family)\u4e0d\u4f1a\u53d7\u5230\u5f71\u54cd\u3002<\/p>\n
\u591a\u7ef4\u6570\u7ec4 (du\u014d sh\u00f9 zu)
\n\u60a8\u53ef\u4ee5\u4e3a\u6570\u7ec4\u7684\u5143\u7d20\u8bbe\u7f6e\u4e00\u4e2a\u6570\u7ec4\u3002<\/p>\n
<?php<\/span>\r\n\r\n$families<\/span> =<\/span> [<\/span>\r\n    [<\/span>\r\n        'dad'<\/span>,<\/span> 'mom'<\/span>,<\/span> 'son'<\/span>\r\n    ],<\/span>\r\n    [<\/span>\r\n        'dad'<\/span>,<\/span> 'mom'<\/span>,<\/span> 'daughter'<\/span>\r\n    ]<\/span>\r\n];<\/span>\r\n\r\necho<\/span> $families<\/span>[<\/span>0<\/span>][<\/span>0<\/span>];<\/span> \/\/ 'dad'<\/span>\r\n\r\necho<\/span> $families<\/span>[<\/span>1<\/span>][<\/span>2<\/span>];<\/span> \/\/ 'daughter'<\/span>\r\n\r\n\/\/ $families['Smith']\u3068$families['Williams']\u306f\u305d\u308c\u305e\u308c\u914d\u5217<\/span>\r\n<\/code><\/pre>\n
\u5f53\u7136\u4e5f\u53ef\u4ee5\u5c06\u5173\u8054\u6570\u7ec4\u8f6c\u6362\u4e3a\u591a\u7ef4\u6570\u7ec4\u3002<\/p>\n
<?php<\/span>\r\n\r\n$families<\/span> =<\/span> [<\/span>\r\n    'Smith'<\/span> =><\/span> [<\/span>\r\n        'dad'<\/span> =><\/span> 'Bob'<\/span>,<\/span>\r\n        'mom'<\/span> =><\/span> 'Jessy'<\/span>,<\/span>\r\n        'son'<\/span> =><\/span> 'James'<\/span>\r\n    ],<\/span>\r\n    'Williams'<\/span> =><\/span> [<\/span>\r\n        'dad'<\/span> =><\/span> 'Michael'<\/span>,<\/span>\r\n        'mom'<\/span> =><\/span> 'Jessy'<\/span>,<\/span>\r\n        'daughter'<\/span> =><\/span> 'Emily'<\/span>\r\n    ]<\/span>\r\n];<\/span>\r\n\r\necho<\/span> $families<\/span>[<\/span>'Smith'<\/span>][<\/span>'dad'<\/span>];<\/span> \/\/ 'Bob'<\/span>\r\n<\/code><\/pre>\n
\u8fd9\u91cc\u7684 $families[‘Smith’][‘mom’] \u7684 ‘Jessy’ \u548c $families[‘Williams’][‘mom’] \u7684 ‘Jessy’\uff0c\u867d\u7136\u662f\u76f8\u540c\u7684\u5b57\u7b26\u4e32\uff0c\u4f46\u5b83\u4eec\u662f\u4e0d\u540c\u7684\u4e1c\u897f\u3002
\n\u8fd9\u662f\u53f2\u5bc6\u65af\u5bb6\u7684\u6770\u897f\u548c\u5a01\u5ec9\u65af\u5bb6\u7684\u6770\u897f\u3002<\/p>\n
\u5728\u521a\u5f00\u59cb\u5b66\u4e60\u7f16\u7a0b\u7684\u65f6\u5019\uff0c\u6211\u5bf9\u8fd9\u4e2a\u6709\u70b9\u6478\u4e0d\u7740\u5934\u8111\uff0c\u611f\u89c9\u6709\u70b9\u8499\u5708\u3002\u3002<\/p>\n
\u5728PHP\u4e2d\u4f7f\u7528\u6570\u7ec4\u65f6\u8981\u6ce8\u610f\u7684\u4e8b\u9879\u5728PHP\u4e2d\uff0c\u7d22\u5f15\u6570\u7ec4\u548c\u5173\u8054\u6570\u7ec4\u88ab\u89c6\u4e3a\u76f8\u540c\u7684\u201c\u6570\u7ec4\u7c7b\u578b\u201d\u3002\u5c3d\u7ba1\u7d22\u5f15\u6570\u7ec4\u548c\u5173\u8054\u6570\u7ec4\u53ef\u4ee5\u6df7\u5408\u4f7f\u7528\uff0c\u6216\u5728\u5faa\u73af\u5904\u7406\u7b49\u65b9\u9762\u51e0\u4e4e\u4ee5\u76f8\u540c\u7684\u65b9\u5f0f\u5904\u7406\uff0c\u4f46\u5728\u5176\u4ed6\u8bed\u8a00\u4e2d\uff0c\u5904\u7406\u65b9\u5f0f\u662f\u4e0d\u540c\u7684\uff0c\u6240\u4ee5\u9700\u8981\u6ce8\u610f\uff01<\/p>\n
\u603b\u7ed3\u6570\u7ec4\u662f\u975e\u5e38\u6df1\u5965\u7684\uff0c\u9664\u4e86\u4e0e\u6570\u7ec4\u76f8\u5173\u7684\u51fd\u6570\u7b49\u7b49\uff0c\u8fd8\u6709\u5f88\u591a\u5176\u4ed6\u7684\u5185\u5bb9\uff0c\u4f46\u7531\u4e8e\u8fd9\u7bc7\u6587\u7ae0\u662f\u9762\u5411\u521d\u5b66\u8005\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u5c06\u5728\u53e6\u4e00\u4e2a\u673a\u4f1a\u518d\u8ba8\u8bba\u5b83\u4eec\uff01<\/p>\n
\u8bf7\u52a1\u5fc5\u9605\u8bfb\u4e0b\u9762\u7684\u6587\u7ae0\u4f5c\u4e3a\u53c2\u8003\uff08\u62b1\u6b49\uff0c\u6211\u4e0d\u80fd\u81ea\u5df1\u6dfb\u52a0\u94fe\u63a5\uff09\u3002<\/p>\n
\u3010PHP\u3011\u5173\u8054\u6570\u7ec4\u3001\u6dfb\u52a0\u5230\u6570\u7ec4<\/p>\n
[PHP] \u521d\u59cb\u5316\u6570\u7ec4\u548c\u5173\u8054\u6570\u7ec4\u3001\u5408\u5e76\u3001\u6dfb\u52a0<\/p>\n","protected":false},"excerpt":{"rendered":"
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