PSR-1:\u00a0Basic Coding Standard<\/p>\n
PSR-2:\u00a0Coding Style Guide<\/p>\n
\u64c1\u6709\u5171\u540c\u5236\u5b9a\u7684Coding Style\u53ef\u4ee5\u8b93\u7a0b\u5f0f\u78bc\u66f4\u4f73\u5bb9\u6613\u7dad\u8b77\u3002<\/p>\n
\u8acb\u75284 Spaces\u53d6\u4ee3tab\uff0c\u5982\u679c\u4f60\u662f\u4f7f\u7528vim\u53ef\u4ee5\u5728.vimrc\u52a0\u5165\uff1a<\/p>\n
\" expand TABs to spaces \r\nset expandtab \"et \r\n\" set TAB's width\r\nset tabstop=4 \"ts \r\n\" auto indent width\r\nset shiftwidth=4 \"sw<\/pre>\nOmit
?><\/code> and\u00a0end with a single blank line<\/h2>\n\u958b\u982d\u53ef\u4f7f\u7528\u00a0
<?php<\/code>\u00a0\u6216\u00a0<?=<\/code>\u00a0<\/code><\/p>\n\u7d50\u675f\u6642\u4e0d\u9700\u8981\u00a0
?>\u00a0<\/code>\u4e26\u7559\u4e00\u884c\u7a7a\u767d<\/p>\n\u00a0SHOULD NOT do both side effects and declarations<\/h2>\n
Side Effects\u4e0d\u8981\u8ddfDeclarations\u653e\u5728\u4e00\u8d77
\nSide Effects:<\/p>\n<?php\r\n\/\/ side effect: change ini settings\r\nini_set('error_reporting', E_ALL);\r\n\r\n\/\/ side effect: loads a file\r\ninclude \"file.php\";\r\n\r\n\/\/ side effect: generates output\r\necho \"<html>\\n\";<\/pre>\nDeclarations:\u00a0(classes, functions, constants, etc.)<\/p>\n
<?php\r\n\/\/ declaration\r\nfunction foo()\r\n{\r\n \/\/ function body\r\n}\r\n\r\n\/\/ conditional declaration is *not* a side effect\r\nif (! function_exists('bar')) {\r\n function bar()\r\n {\r\n \/\/ function body\r\n }\r\n}<\/pre>\nLeave one blank line after…<\/h2>\n
\u5728 namespace declaration \u548c use namespace \u4e0b\u65b9\u7559\u4e00\u884c\u7a7a\u767d<\/p>\n
<?php\r\nnamespace Vendor\\Package;\r\n\r\nuse FooClass;\r\nuse BarClass as Bar;\r\nuse OtherVendor\\OtherPackage\\BazClass;\r\n\r\n\/\/ ... additional PHP code ...<\/pre>\nOpening braces for classes<\/strong> or methods<\/strong> MUST go on \u00a0the next line<\/h2>\n
<?php\r\nclass ClassName\r\n{\r\n public function sampleMethod($a, $b = null)\r\n {\r\n \/\/ method body\r\n }\r\n\r\n final public static function bar()\r\n {\r\n \/\/ method body\r\n }\r\n}<\/pre>\n\n
- Control structure keywords MUST have one space after them<\/li>\n
- Opening braces for control structures MUST go on the same line, and closing braces MUST go on the next line after the body.<\/li>\n
- Opening parentheses for control structures MUST NOT have a space after them, and closing parentheses for control structures MUST NOT have a space before.<\/li>\n<\/ul>\n
if ($a === $b) {\r\n bar();\r\n} elseif ($a > $b) {\r\n $foo->bar($arg1);\r\n} else {\r\n BazClass::bar($arg2, $arg3);\r\n}<\/pre>\nclass\u8207function \u548c ifelse\u7684{}\u662f\u4e0d\u540c\u7684<\/p>\n
Method arguments with default values MUST go at the end of the argument list.<\/h2>\n
<?php\r\nnamespace Vendor\\Package;\r\n\r\nclass ClassName\r\n{\r\n public function foo($arg1, &$arg2, $arg3 = [])\r\n {\r\n \/\/ method body\r\n }\r\n}<\/pre>\n