PHP--string manipulation

Source: Internet
Author: User
Tags strtok

-----014-string.php-----

1<! DOCTYPE html>234<meta http-equiv= "Content-type" content= "text/html; Charset=utf-8 ">5<title> a PHP page </title>67<body>8<pre>9<?PHPTen     Echo"; One     $str 1= "Hello"; A     $str 2= "HELLO"; -     printf("%s than%s:%d\n",$str 1,$str 2,strcmp($str 1,$str 2)); -     printf("%s is not case-sensitive than%s:%d\n",$str 1,$str 2,strcasecmp($str 1,$str 2)); the     $str 1= "Helwww"; -     $str 2= "HELQQQ"; -     printf("%s than%s, first three characters:%d\n",$str 1,$str 2,strncmp($str 1,$str 2, 3)); -     printf("%s is greater than%s, first three characters, case-insensitive:%d\n",$str 1,$str 2,strncasecmp($str 1,$str 2, 3)); +?> -<?PHP +     Echo"; A     $str= "Hoist"; at     $result=Str_replace("Gourd", "Gourd Doll",$str,$count); -     printf(Gourd, gourd, gourd):%s. %d \ n "was replaced,$result,$count); -     $result=Substr_replace($str, "Gourd Doll", 3, 3);//UTF-8 -     printf("2+2-> gourd"):%s. \ n ",$result); -?> -<?PHP in     Echo"; -     $str= "Plants vs Big Zombies"; to     printf("Plants vs big zombies, from the big start:%s\n",STRCHR($str, "Big")); +     printf("Plants vs big zombies, from the big start, take the left half:%s\n",STRCHR($str, "Big",true)); -     printf("Plants vs big zombies, big position:%d\n",Strpos($str, "Big", 0)); the     printf("Plants vs big zombies, big position: Starting with the third word%d\n",Strpos($str, "Big", 9)); *     printf("Plants vs big zombies, from the big start on the right:%s\n",STRRCHR($str, "Big")); $     printf("Plants vs big Zombies, starting with the second character:%s\n",substr($str, 3));Panax Notoginseng     printf("Plants vs big zombies, big occurrences:%s\n",Substr_count($str, "Big")); -?> the<?PHP +     Echo"; A     $str= "Plants vs. Zombies"; the     $s=strtok($str, " "); +      while($s) { -         Echo $s, "\ n"; $         $s=strtok(" "); $     } -     foreach(Explode(" ",$str) as $temp){ -         Echo $temp, "\ T"; the     } -     Echo implode("+",Array("Plants", "war", "zombies")));Wuyi?> the<?PHP -     Echo"; Wu     Echo Strtolower("PHP"), "\ n"; -     Echo Strtoupper("Java"), "\ n"; About     Echo Ucfirst("What do you see are?"), "\ n"; $     Echo Ucwords("What do you see are?"), "\ n"; -     foreach(Count_chars("abbcccdddd", 1) as $key=$value){ -         Echo $key, "= =",$value, "\ n"; -     } A?> +<?PHP the     Echo"; -     $arr=Array("Conan", "Pirate King", "Naruto", "Cherry Ball"); $     foreach($arr  as $value) { the         Echo Str_pad($value, 18, "-",str_pad_left); the         Echo"\ n"; the     } the?> -<?PHP in     Echo"; the     $str= "* * Drip power * *"; the     Echo"Pending string: |",$str, "|\n"; About     Echo"Exclude Spaces |",Trim($str), "|\n"; the     Echo"Reject Asterisk |",Trim($str, "*"), "|\n"; the     Echo"Reject asterisk space |",Trim($str, "*"), "|\n"; the     Echo"Left Reject asterisk space |",LTrim($str, "*"), "|\n"; +     Echo"Right Reject asterisk space |",RTrim($str, "*"), "|\n"; -?> the</pre>Bayi</body> the

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