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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                php中數組和字符串的相互轉換 數組轉字符串: implode('!', $arr);//將一維數組以!分隔組合成一個字符串,參數一可以為"" ~~~ $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) "" ~~~ 字符串轉數組: explode('!', $str);//將字符串以!分割為一個一維數組,參數一不可以為"" ~~~ $pizza = "piece1 piece2 piece3 piece4 piece5 piece6"; $pieces = explode(" ", $pizza); echo $pieces[0]; // piece1 echo $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; // foo echo $pass; // * ~~~ str_split($str, 3);//將字符串分割成數組,參數二將字符串從左向右每3個字符分割一次,最后的不夠3個了 有幾個算幾個。 ~~~ <?php $str = "Hello Friend"; $arr1 = str_split($str); $arr2 = str_split($str, 3); print_r($arr1); print_r($arr2); ?> 輸出結果 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 ) ~~~ 這里有一個將字符串進行打斷的手動的方法,是原來為了寫日語半角的假名驗證的一個方法 ~~~ function kana_Perl($katakana){ $katakana_array = array( 1=>"?",2=>"?",3=>"?",4=>"?",5=>"?", 6=>"?",7=>"?",8=>"?",9=>"?",10=>"?", 11=>"?",12=>"?",13=>"?",14=>"?",15=>"?", 16=>"?",17=>"?",18=>"?",19=>"?",20=>"?", 21=>"?",22=>"?",23=>"?",24=>"?",25=>"?", 26=>"?",27=>"?",28=>"?",29=>"?",30=>"?", 31=>"?",32=>"?",33=>"?",34=>"?",35=>"?", 36=>"?",37=>"?",38=>"?", 39=>"?",40=>"?",41=>"?",42=>"?",43=>"?", 44=>"?",45=>"?",46=>"?", 47=>"?",48=>"?",49=>"?",50=>"?",51=>"?", 52=>"?",53=>"?",54=>"?",55=>"?",56=>"?", 57=>"?",58=>"?",59=>"?",60=>"?" ); $check_result = array_search($katakana,$katakana_array); return $check_result; } ~~~ 這是一段匹配的法則,注意這里是i +=2,因為一個文字占2位 ~~~ function substr_cut($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 $check_sucess; } ~~~ 沒有規律的數組轉化為字符串 ~~~ function substr_cut($katakana){ $i_end = 1; //打斷位數長度,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; } ~~~
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                              哎呀哎呀视频在线观看