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ltrim();//È¥µô×Ö·û´®×ó¿Õ¸ñ;
rtrim();//È¥µô×Ö·û´®ÓÒ¿Õ¸ñ;
trim(); //È¥µô×Ö·û´®Á½±ß¿Õ¸ñ;
//È¥µô¿Õ¸ñÊÇ·µ»ØÒ»¸öеÄ×Ö·û´®;Ô×Ö·û´®²»±ä;
strlen(); //¼ÆËã×Ö·û´®³¤¶È;
strrev(); //½«×Ö·û´®µßµ¹µÄº¯Êý;
strtolower();//½«×Ö·û´®´óдת»»³ÉСд,ÔÀ´Ð¡Ð´µÄ²»±ä;
strtoupper();//½«×Ö·û´®Ð¡Ð´×ª»»³É´óд,ÔÀ´´óдµÄ²»±ä;
ucfirst(); //½«×Ö·û´®ÖеÚÒ»¸ö×Ö·ûת³É´óд;
ucwords(); //½«×Ö·û´®ÖÐÿһ¸öµ¥´ÊµÄÊ××Öĸת³É´óд;
str_repeat() //Öظ´ÏÔʾ×Ö·û´®,µÚ¶þ¸ö¶ÔÊýÉ趨Öظ´´ÎÊýstr_repeat($str,rand(1,10))
explode(string separator,string string,[ ,int limit]);//ʹÓÃÒ»¸ö×Ö·û´®·Ö¸îÁíÒ»¸ö×Ö·û´®;
string separator://ÊDZ»°´ÕÕ·ÖµÄ×Ö·û´®;
string string: //ÊDZ»·ÖµÄ×Ö·û´®;
int limit: //ÏÞÖÆ×÷ÓÃ,ÈçΪ3,¼´Ç°Á½¸ö²¿·Öµ¥¶À·Ö¿ª,ÆäËûºóÃæΪһ²¿·Ö;
implode(string glue,array pieces);//½«½ÏСµÄ×Ö·û´®ºÏ²¢³ÉÒ»¸ö´óµÄ×Ö·û´®;
string glue://×Ö·û´®Á¬½ÓµÄ·ûºÅ;
join()(imploadµÄ±ðÃûº¯Êý)://ºÍimploadÊÇÒ»ÑùµÄÓ÷¨;
//×Ö·û´®½ØÈ¡
substr(string string, int start [ ,int length]);//È¡²¿·Ö×Ö·û´®;
mb_substr()
mb_strcut()
<?php
echo mb_substr('ÕâÑùÒ»À´ÎÒµÄ×Ö·û´®¾Í²»»áÓÐÂÒÂë^_^', 0, 7, 'utf-8');
?>
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<?php
echo mb_strcut('ÕâÑùÒ»À´ÎÒµÄ×Ö·û´®¾Í²»»áÓÐÂÒÂë^_^', 0, 7, 'utf-8');
?>
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strstr(string,string);//·µ»Ø´ÓÖ¸¶¨×Ö·û´®µ½½áβµÄ×Ö·û´®;Ö¸¶¨µÄ×Ö·û´®¿ÉÒÔÊǶà¸ö×Ö·û;
strchr()//strstr()µÄ±ðÃûº¯Êý,Ó÷¨Ò»Ñù;
strpos(string, char, [int offset]);//·µ»Øij×Ö·û´®ÖÐij¸ö×Ö·û"×îÏÈ"³öÏÖµÄλÖÃ;
char://Ö¸¶¨µÄ×Ö·û;
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if(file_exists("Config.php"))
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1.È·ÈÏϵͳÖа²×°ÁËphp-cli
°²×°ÃüÁî:
apt-get install php5-cli
2.н¨Óû§crontab
ÃüÁ
crontab -e
ÎÒµÄcrontabÄÚÈÝÎļþÈçÏ£º
# m h dom mon dow command
SHELL=/bin/sh
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
* */1 * * * /root/myshell/proj1.sh
*/1 * ......