Yahoo-PHP
1. foo() @foo() ʲôֱ?
2. PHP Ӧóʽ?
3. ===ʲô?Ծһ==浫===Ǵ
4. ζһûгԱʽԵ myclass?
5. βһ myclass ?
Matt Wilkin ṩĽ
1. foo() @foo() ʲôֱ?
foo() ִʽκνִдҳʾ
@foo() ִʽʱĴѶϢ
ܶӦóʽʹ @mysql_connect() @mysql_query mysql ĴѶϢΪǺصʧΪñأƴǣܵĻǡ
2. PHP Ӧóʽ?
ҲԹܶͬߣ Linux ϵͳ趨ЩһҲסһһעĿߡ
PHP – Advanced PHP Debugger PHP – APDһִµָװ
pear install apd
װĽűĿͷλüµ俪ʼ
apd_set_pprof_trace();
ִϣµִI
apd.dumpdir
Ҳʹ pprofp ʽI
ϸ.ϿԲ http://us.php.net/manual/en/ref.apd.php
3. ===ʲô?Ծһ==浫===Ǽٵӡ
===Ǹȿͻزֵ١ҲͻһDzֵȴԸ롸١ֵĺʽstrpos() strrpos() ӡ
ĵڶеѣһ==Ǽ٣ǡ===ȴף෴ȴ١ҵµӣ
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if (strpos("abc", "a") == true)
{
// ⲿᱻִУΪ "a" λ 0ɲֵ١
}
if (strpos("abc", "a") === true)
{
// ⲿݻᱻִУΪ===֤ʽ strpos() ͻֵỻɲֵ.
}
4. ζһûгԱʽԵ myclass?
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class myclass
{
}
5. βһ myclass ?
$obj = new myclass();
ûбˡ
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