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implode 使用一个字符串将数组变成字符串 |
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<br><?php$array = array('lastname', 'email', 'phone');$comma_separated = implode(",", $array);echo $comma_separated; // lastname,email,phone// Empty string when using an empty array:var_dump(implode('hello', array())); // string(0) ""?> |
explode — 使用一个字符串分割另一个字符串，返回一个数组
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<?php// 示例 1$pizza = "piece1 piece2 piece3 piece4 piece5 piece6";$pieces = explode(" ", $pizza);echo $pieces[0]; // piece1echo $pieces[1]; // piece2// 示例 2$data = "foo:*:1023:1000::/home/foo:/bin/sh";list($user, $pass, $uid, $gid, $gecos, $home, $shell) = explode(":", $data);echo $user; // fooecho $pass; // *?> |
这里如果字符串没有任何符号可以进行分割的话，就需要考虑别的方法了
str_split — 将字符串转换为数组
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<?php$str = "Hello Friend";$arr1 = str_split($str);$arr2 = str_split($str, 3);print_r($arr1);print_r($arr2);?>输出结果Array( [0] => H [1] => e [2] => l [3] => l [4] => o [5] => [6] => F [7] => r [8] => i [9] => e [10] => n [11] => d)Array( [0] => Hel [1] => lo [2] => Fri [3] => end) |
如果不兼容的话，就只有考虑别的方法了，将字符串逐位进行打断,
这里有一个将字符串进行打断的手动的方法，是原来为了写日语半角的假名验证的一个方法
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这里是一串对半角的假名的枚举function kana_Perl($katakana){ $katakana_array = array( 1=>"ｱ",2=>"ｲ",3=>"ｳ",4=>"ｴ",5=>"ｵ", 6=>"ｶ",7=>"ｷ",8=>"ｸ",9=>"ｹ",10=>"ｺ", 11=>"ｻ",12=>"ｼ",13=>"ｽ",14=>"ｾ",15=>"ｿ", 16=>"ﾀ",17=>"ﾁ",18=>"ﾂ",19=>"ﾃ",20=>"ﾄ", 21=>"ﾅ",22=>"ﾆ",23=>"ﾇ",24=>"ﾈ",25=>"ﾉ", 26=>"ﾊ",27=>"ﾋ",28=>"ﾌ",29=>"ﾍ",30=>"ﾎ", 31=>"ﾏ",32=>"ﾐ",33=>"ﾑ",34=>"ﾒ",35=>"ﾓ", 36=>"ﾔ",37=>"ﾕ",38=>"ﾖ", 39=>"ﾗ",40=>"ﾘ",41=>"ﾙ",42=>"ﾚ",43=>"ﾛ", 44=>"ﾜ",45=>"ｦ",46=>"ﾝ", 47=>"ｧ",48=>"ｨ",49=>"ｩ",50=>"ｪ",51=>"ｫ", 52=>"ｬ",53=>"ｭ",54=>"ｮ",55=>"ｯ",56=>"､", 57=>"｡",58=>"ｰ",59=>"ﾞ",60=>"ﾟ" ); $check_result = array_search($katakana,$katakana_array); return $check_result; } 这是一段匹配的法则，注意这里是i +=2,因为一个文字占2位function substr_cut($katakana){ $i_end = 2; $check_sucess = ""; for($i_start=0; $i_start < strlen($katakana); $i_start=$i_start+2){ $str_cut = substr($katakana,$i_start,$i_end); echo '$str_cut='.$str_cut.'<br>'; $check_sucess = kana_Perl($str_cut); if(!$check_sucess){ break; } } return $check_sucess;} |
没有规律的数组转化为字符串
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function substr_cut($katakana){ $i_end = 1; //打断位数长度，分清楚英文和中文 $check_sucess = array(); for($i_start=0; $i_start < strlen($katakana); $i_start=$i_start+1){ $str_cut = substr($katakana,$i_start,$i_end); $check_sucess[$i_start] = $str_cut; echo '$str_cut='.$str_cut.'<br>'; } return $check_sucess;} |